Buying a good welding inverter so that it can be used at work, at home and in the country, where 220V is not always available, is a difficult task. We will try to help with this.

Thanks to the development of inverter technology, welding machines have become compact, economical and easy to use even for beginners. Thanks to this, you can find a machine for manual arc welding or semi-automatic in many garages and private workshops. Stable and high demand for welding inverters forces competing manufacturers to constantly improve their product range, reduce prices and develop branded service.

Selection criteria

Choosing the best welding inverter is quite difficult - there is such a variety on the market that it will take your breath away. But experienced welders do not try to experiment, turning to products from already familiar manufacturers. They choose only brands that have been proven by time and their own work. After all, if a manufacturer is serious, then he always keeps the quality at a high level - both in semi-professional and professional devices.

Therefore, before purchasing a new inverter, they look at the products of those manufacturers that have already been in use. Even if you haven’t worked yourself, your colleagues will advise you. Based on many years of experience, a list of leading manufacturers of welding inverters has been formed, which we bring to your attention, taking for comparison devices “for work and at home.” That is, with which you can both earn money and cope with household chores.

Depending on the operating mode, inverters are divided into three categories:

• machines for manual arc welding (MMA);
• semi-automatic (MIG/MAG);
• machines for argon welding (TIG).

For many specialists, the inverter has become one of the best options among all welding machines. This is a modern high-tech product that has excellent welding parameters, which makes up for its disadvantage in higher cost compared to previous generations of equipment. The main difference from ordinary transformers is that inverters contain electronics for more precise parameter settings, as well as for maintaining stable arc operation. In most cases, models have a built-in automatic stabilizer that helps neutralize power surges in the network.

This technology is constantly evolving and special attention is paid to the private segment. If you do not know for your use, then the rating of welding inverters for home among welders will help you decide. It is worth choosing reliable, multifunctional and lightweight devices, but each person has his own requirements, which is why there is such a wide variety of parameters on the market. The home requires a special nature of parameters that differ from industrial models. This is often a reduction in size, cost and performance.

Technical and technological advantages of welding inverters

TOP inverter welding machines will help you determine all the advantages of this technology. The main technological advantage is microcircuits that control current, voltage, current-voltage characteristics, are responsible for stabilization, and so on. Here there is a more advanced transformation of the type of current. Thanks to this, switching welding from direct current to alternating current becomes as simple as possible and can be performed with one movement of the switch.

Stabilizers help in maintaining setpoints so that they remain constantly at the same level. With prolonged use, voltage surges are almost unnoticeable. Another advantage is the relatively small size. All components that are essential in operation have much smaller dimensions than those on a transformer. The performance characteristics do not suffer from this in any way and can be left the same. The accuracy of the set data and its compliance by the inverter is also a big advantage, which is not the case with transformers. Now you can easily set any modes with a high level of accuracy. In many models, everything is easily adjusted with separate sensors.

Rating of welding inverters for home

If you don’t know, then you should pay attention to the TOP 10 welding inverters that may suit you:

1. Resanta SAI-190

A lightweight and high-quality device that is used for arc welding. The best imported welding inverter has high performance. The equipment is manufactured in China and comes with a warranty of up to 1 year. The range of operating currents is from 10 to 190 A. The maximum diameter of the working electrode reaches 5 mm. Additional features worth noting are hot start and anti-stick. The kit includes a two-meter cable, a cable with a 1.5-meter grounding terminal and an electrode holder.



2. Resanta SAI220

High-performance inverter that does not require much maintenance. It is very easy to operate. At high power, it is well equipped with overheating protection. The inverter weighs less than 5 kg. It is also made in China and comes with a 1-year warranty. The minimum current here reaches 10 A, and the maximum is 190. Additional functions include anti-sticking and hot start. The factory package includes a cable with terminals and a holder for electrodes.



3. Resanta SAI160

This is a high-performance household inverter, the parameters of which may be low for industrial use. The operating current range is from 10 to 160 A. The device is manufactured in China and is given a warranty period of 1 year. The maximum diameter of the electrodes is 4 mm. Additional functions - anti-stick and hot start.



4. Fubag IR200

Inverter with relatively light weight. There are two indicators on the front panel: protection and operating status. There is additional cooling with a built-in fan. The maximum current is 200 A, and the minimum is 5 A. In this case, the maximum diameter of the working electrode can be 5 mm. The manufacturer's warranty has been given for 2 years. In addition to anti-sticking and hot start, there is also arc force. The kit includes an electrode holder and a cable with clamps.



5. Interskol ISA160/7.1

The rating of welding inverters for home in the fifth position contains a transistor inverter with a high level of reliability. The minimum operating voltage here reaches 140 V, and the weight of the device is only 4.5 kg. Manufacturer's warranty – 2 years. The range of welding currents ranges from 20 to 160 A. There are three main additional functions. The kit includes a cable with clamps and a holder for electrodes, which turns out to be rather weak in practice.



6. Resanta SAI160 PN

The minimum operating voltage reaches 140 V. The temperature range ranges from -10 to +40 degrees Celsius. Inverter weight – 5.7 kg. The current range on this device is adjustable - from 10 to 160 A. There are additional functions such as anti-sticking, welding arc afterburner and hot start. The kit includes a holder for electrodes and a cable with grounding terminals.



7. Resanta SAI160K

Suitable for welding garages, greenhouses, light metal structures, fences and other parts. The model is equipped with a transport strap for carrying. The inverter has a relatively light weight of 3.4 kg. Made in China and has a 1 year warranty. The current range at the inverter settings ranges from 10 to 160 A. The maximum electrode diameter reaches 4 mm. Among the additional functions, it is worth noting hot start and anti-sticking.



8. Fubag IR160

The weight of the inverter reaches 6.9 kg. The front panel of the device is equipped with two indicator lights. One of them shows the overheating protection, the second shows the connection to the network. The minimum current is 10 A, and the maximum is 160 A. The maximum electrode diameter is 4 mm. There are additional functions such as anti-stick and hot start. The supplied wires are too short.



9. Aurora Minione1800

The operating current limit is from 20 to 180 A. 100% duty cycle can only be achieved with parameters of 31 A. The weight of the device reaches 5 kg. In addition to the included cables for holding the electrode and connecting the terminals, there is also a case. The minimum operating voltage is 160 V.



10. Svarog PRO ARC160

This inverter operates from an ordinary 220 V network. Fluctuations in the network are allowed only by 15%. The maximum operating current reaches 160 A. This ensures work with electrodes with a diameter of up to 3.2 mm. PV at maximum performance is 60%. Inverter weight - 4.7 kg. This model can operate in TIG mode, but it does not include a torch and all these parts must be purchased separately.

Welding inverters are modern devices that have greatly facilitated repair work and caused a significant leap in electric welding. With the help of special small-sized transformers, the weight of the inverter is several times less than the weight of welding generators and rectifiers, which were widely used previously and significantly complicated the work process due to their weight.

When choosing the best models, we took into account the following important characteristics and indicators:

1. Switching duration at max. current (%) – the ability of the device to operate at maximum current for as long as possible. The higher this indicator, the better, because from continuous operation at max. current, the inverter may fail due to overheating.
2. Open circuit voltage (V) – output voltage of the device without load. The higher the open circuit voltage, the faster the welding arc is formed and the more stable it is. Optimal indicator: 40-80 V.
3. Arc force - the presence of an arc force function in a welding device automatically regulates the strength of the welding current during welding, increasing it if necessary. The function will be useful for professional welders and advanced users.
4. Anti-stick is an important function of the welding machine, which recognizes the initial moment of sticking of the electrode to the metal and automatically resets the welding current and voltage, preventing failure of the electrode.
5. Hot start - this function is in demand when igniting electrodes of poor quality, when welding rusty metal and in the presence of power outages.
6. Weight – the lower the weight of the device, the easier it is to move. This parameter is especially important if the inverter is planned to be moved frequently during welding work.
7. Price is an important indicator for any product. Ideally, the best product should justify its price 100%.
8. Reviews - the absence of frequent negative reviews on the quality of the welding machine, premature failure, etc. Reviews from online stores and specialized forums were taken into account.

The Quality Brand portal offers a brief overview of the best and most popular models of inverter welding machines. We wish you a good choice!

The best inexpensive welding inverters: budget up to 15,000 rubles.

Inexpensive inverters are primarily amateur-level equipment designed for welding parts for non-essential purposes in a private home or cottage. As a rule, such devices have a minimal set of functions, low power and, accordingly, a low welding current characteristic.

5 Eurolux IWM-190

Reliable and inexpensive inverter for school
Country: China
Average price: 4,280 rub.
Rating (2019): 4.0

There is always a use for electric arc welding skills at home, so the desire to learn them is quite reasonable. The first step towards its implementation is the purchase of a welding machine, preferably affordable, easy to set up and unpretentious to working conditions. The IWM-190 unit fully meets these requirements. On the farm, they can weld almost anything - from a fence to a car body; the device supports 220V and connects to a household power supply.

For an entry-level welder to master it and lay a more or less even seam, he will need a maximum of 1 hour, and then it’s a matter of practice. More experienced users point out a drawback - short cords for the electrode and ground, but they themselves make the reservation that this is rather a compliance with the laws of electrical engineering. In general, even professional welders conclude that for a home, cottage and garage there is no better option at this price.

Advantages:

• super light – 3 kg;
• metal case;
• low price;
• large switch key.

Flaws:

• "toy" appearance.

4 Wester MINI 220T

Smooth adjustment of welding current. Excellent build quality
Country: China
Average price: 7,840 rub.
Rating (2019): 4.3

This device has a lot of advantages: it is very compact (the height is the size of a smartphone), and therefore convenient for storage and transportation, it can easily weld sheets of metal up to 10 mm thick, it can cope with the most popular diameters (from 1.6 to 5 mm) of electrodes, it “can” automatically stabilizes the voltage and is capable of adjusting to welding current from 30 to 220A with an accuracy of 1A. A wider range of adjustments – from 250A – are available in semi-professional models, which cost accordingly and are not always appropriate for use at home.

Despite the fact that the inverter is designed for MMA welding, the weld is of high quality, “for centuries.” From the feedback from the owners, working with it is a pleasure; the “Anti-stick” and “Hot Start” functions are very helpful. The design provides protection against overheating, against scale getting inside the body and metal splashes on the operator’s clothing. They also took care of the convenience of the operator: the specified settings are displayed on the LCD screen, two LED indicators indicate the status of the device, and there is a shoulder strap for carrying it. Almost every review confirms that the assembly was made carefully and from high-quality materials.

Advantages:

• digital current indication;
• "five" welding;
• the best recommendations from professional welders.

Flaws:

• unreliable mass clamp.

3 FUBAG IR 200

A light weight. Arc force function
Country: Germany
Average price: 7,410 rub.
Rating (2019): 4.7

If such an indicator as the weight of the welding machine is extremely important for you, then we definitely recommend paying attention to the model of German origin (manufactured, however, in China) FUBAG IR 200. The weight of this inverter is only 3.8 kg, and the width is only 12 cm! This is one of the best (if not the best) indicator among modern inverters of this power. And the welding current strength of FUBAG IR 200, meanwhile, is 200 A, which indicates sufficient welding efficiency for repair and country needs. The device can be freely placed in the trunk of a car, welding can be performed without actually releasing the device from the “shoulder”. Lightweight and compact are the main advantages of the FUBAG IR 200.

This model also has anti-stick, hot start and even arc afterburner functions. The latter function is useful for experienced welders who need automatic control of the welding current during operation. FUBAG IR 200 is very easy to use. Stable arc burning is achieved using Arc-Force technology. It makes the process of droplet transfer through the arc gap clear and uniform. The only drawback that I would like to draw attention to is that the operating time at maximum current is not the highest, only 40%. However, for many this is not a critical factor when choosing a device for “garage” needs.

2 Cedar MMA-200

High welding speed. Low noise level
A country:
Average price: 8,900 rub.
Rating (2019): 4.8

Cedar MMA-200 is another high-quality model in our list of the best inverters. It is produced in factories in China, but is of Russian origin. It has a high efficiency of 85%, has cold start, anti-stick and thermal load protection functions. The model is low-noise, it is one of the quietest devices in our review. With Cedar MMA-200 you can do short arc welding. The fact that the device is manufactured by a Russian company is of great importance for those who are worried about warranty claims. In principle, there should be no problems with the delivery of spare parts and timely repairs.

Based on user reviews, it is clear that the Kedr inverter is most often praised for its compactness, mobility and high performance. This is one of the best options for garage and country welding. The relatively high price and low popularity of this device somewhat exaggerate the picture. However, we did not find any negative reviews about the quality of work of the Kedr MMA-200.

The domestic welding equipment market is represented by a large number of companies that have gained popularity for the excellent quality of their products. Let's get acquainted with the most prominent representatives of this caste.

Resanta. Supplier of professional welding equipment, headquartered in Latvia. Over the past ten years, the production of devices has been focused mainly on Russia and the CIS countries, where numerous branches of the company are located.

Svarog. A Russian manufacturing company whose history goes back only ten years. Despite such a “young” age, Svarog Group of Companies is a full-fledged competitor of foreign brands and is successfully winning back their share of the domestic market.

Aurora. Nominally a domestic manufacturer of welding equipment, whose production lines are located in China. It is very popular in the Russian market, largely thanks to such series as OVERMAN, SPEEDWAY, ULTIMATE, etc.

Fubag. German manufacturer of professional electrical equipment for construction and repair, whose history began more than forty years ago. Currently cooperates with leading Asian concerns: Honda, Mitsubishi, Daishin, etc.

BLUEWELD. Italian company founded in 1963. From the same year to this day, it has been one of the most important players in the welding equipment market. It supplies products to leading countries of the world, including Russia.

1 Resanta SAI-220

The best ratio of price and quality
A country:
Average price: 7,690 rub.
Rating (2019): 5.0

A very high-quality modern device is offered by the Latvian company “Resanta”. Total for 8000 rub. you get a welding inverter with an operating time at maximum current of 70%. That is, the device can operate for up to 7 minutes at maximum load. Most of the more expensive models are barely able to work for 6 minutes. Add to this one of the highest maximum welding current indicators in the budget class - 220 A. It is known that the higher the welding current indicator, the more productive the welding process is.

Resant SAI-220 also has such important functions as a hot start, an overheating protection system and anti-stick. The weight of the device is also one of the lowest among competitors - only 5 kg. Many users have been using Resanta SAI-220 for a long time and have no problems with breakdowns. Indeed, this is one of the best devices in terms of price and quality.

Welding inverters from the Resanta company are among the best-selling in Russia and the CIS countries.

Advantages:

• Doesn't overheat
• Lightweight and compact
• Power
• Works even on low-power networks
• Excellent value for money and quality

Flaws:

• There are questions about the quality of the wires included in the kit
• A short wire for connecting to the network. Noted by most users. However, you need to take into account the fact that any welding cable should not exceed a length of 2.5 meters.
• There is no indication of the set current
• It is afraid of dust, like most modern inverters.

The best welding inverters with argon arc welding

Welding inverters with argon arc welding are indispensable when working with products made of alloy and carbon steels, as well as copper and aluminum alloys. Argon is an inert protected gas that practically does not enter into chemical reactions with molten metals. Welding in this way is distinguished by high quality seams.

4 ELITECH IS 200N

Good protection against moisture, dust and power surges
A country: Russia (manufactured in China)
Average price: 6,430 rub.
Rating (2019): 4.2

A dusty environment is the enemy of any inverter: small particles are quickly sucked in by the cooling fan and pollute the entire system. Drops of water and high humidity have a detrimental effect on the device. If you intend to use the welding machine in an unheated garage or in production, it is better to pay attention to models with protection class IP23. Usually these are professional-class welding machines, but in the ELITECH line there is a more affordable “semi-professional” IS 200N, which can withstand the penetration of dust and slanting rain.

Of course, this does not mean that you should weld metal in any weather (electric welding in the rain is prohibited by safety regulations), but you can count on a longer service life of the unit. In addition, it is not afraid of mains voltage drops up to 160V, since IGBT transistors are used as power switches. The durability of the device is confirmed by reviews from owners who have been using inverters of this model for several years without problems.

Advantages:

• slight splashing;
• soft arc;
• compactness;
• work from 160V.

Flaws:

• loud fan;
• short wires.

3 FUBAG IN 176

Best price. The lightest and most compact
A country: Germany (manufactured in China)
Average price: 10,990 rub.
Rating (2019): 4.5

A decent inverter operating in MMA or TIG welding mode is offered by the German brand FUBAG. In our review of the best inverters with argon arc welding, FUBAG IN 176 has the lightest weight - only 4.5 kg and the most compact dimensions. If we compare Resanta (18 kg), FUBAG is exactly four times lighter. In terms of cost, this device also outperforms its competitors, and in comparison with the same “Resanta”, it costs the buyer half as much.

The functionality of the device, despite the relatively low price, is in no way inferior to its competitors. There are also anti-stick functions, hot start and arc force. A huge number of repair services for FUBAG tools and equipment in every major city in the Russian Federation and the CIS allow you not to worry about warranty and post-warranty service of the device.

Video review of FUBAG IN 176

2 Resanta SAIPA-190MF

Semi-automatic welding
A country: Latvia (manufactured in China)
Average price: 26,400 rub.
Rating (2019): 4.5

Resanta SAIPA 190 MF is a welding machine for professionals. This is the most expensive inverter considered in the review. But the price in this case is justified. The device is capable of operating in two modes: gas-shielded arc welding with MIG/MAG wire and manual arc welding with disposable electrodes. Semi-automatic welding with this unit produces a high-quality, even seam, and the welding process itself takes place quickly and with a high degree of metal protection using gas.

Among the positive reviews about this device, first of all, it is worth noting its maintainability, high-quality penetration (it easily takes metal up to 10 mm at 220V), and the availability of components.

Among the disadvantages, according to user reviews, is the absence of a TIG torch in the kit, as well as short ground wires and electrode welding. Among the characteristics, the only significant drawback of the Resant SAIPA 190 MF is the weight (more than 18 kg) and dimensions of the device. But here you have to choose, either lightness and mobility (there are cheaper options for this), or high performance and functionality.

1 Svarog TECH ARC 205 B (Z203)

Optimal power and efficiency
A country: Russia (manufactured in China)
Average price: RUB 19,275.
Rating (2019): 5.0

For welding work in a private household, garage or small car service center, a device of Russian origin - Svarog TECH ARC 205 B - is perfect. The on-time at maximum current for this inverter is 80%! This is the highest figure in our review. At maximum load, the device can work for as long as 8 minutes. It’s not for nothing that Svarog TECH is called one of the most reliable and durable inverters with argon arc welding in the budget price segment.

Among the pleasant features of the device and user reviews, it is worth highlighting the presence of a display that displays all operating parameters and helps to carry out visual control. Absolutely all users note the easy ignition of the arc, the functionality and quality of the design of the device itself. Among the argon arc welding machines under consideration, Svarog TECH has the lightest weight - 8 kg and the smallest dimensions. So, for frequent moving around objects, Svarog is perfect.

Svarog TECH ARC 205 B – the best value for money.

The best middle-class welding inverters: budget up to 30,000 rubles

Intermediate level equipment widely used by both amateur and professional welders. Unlike budget models, such inverters can have a number of additional functions, and also combine several types of welding (usually manual arc and semi-automatic).

4 Torus 250 Extra

Versatility of use. NAKS. Long warranty
Country Russia
Average price: RUB 17,410.
Rating (2019): 4.5

The Torus-250 welding machine from the well-known Russian company Tor is worthy competition to foreign analogues. Its predecessor, the Torus-200 inverter, received an award at an international exhibition in 2013, and today several lines of welders for home and industrial use are produced. Among the advantages of the 250 is the ability to work with electrodes up to 3 mm from 220V, delivering an increased welding current of 250A with a duty cycle of 60%. And if the current is reduced, then the unit is ready to operate continuously (100% duty cycle), during a full work shift.

It is not surprising that the device is equally in demand by home craftsmen, as well as construction and auto repair teams, and is considered indispensable in case of frequent changes of workplace. With small dimensions (125X19X330 mm) and a weight of 5.7 kg, it welds excellently, including thick (up to 15 mm) metal, with welding electrodes with a diameter of up to 6 mm with stable arc parameters. As befits serious professional equipment, the device has a 3-year warranty and is certified by the National Welding Control Agency - when purchasing, you need to look for the NAKS marking.

Advantages:

• comfortable to use for welders of all categories;
• thoughtful design;
• large reserve of power and current.

Flaws:

• no protection for polarized transistors;
• sensitive to moisture.

3 RESANTA SAIPA-165

Optimal combination of price and quality
Country: Latvia
Average price: RUB 16,670.
Rating (2019): 4.7

Slightly weaker in characteristics compared to the category leader, but a high-quality inverter for semi-automatic welding. Due to the lack of information about the real power, it is pointless to talk about the value of the welding current. We can only conclude that its maximum value fluctuates around 160 amperes, while the setting allows you to lower the characteristic down to 20. In terms of ergonomics, it should be noted that the inverter weighs 11.5 kilograms: however, the entire line of products from RESANT is distinguished by considerable dimensions and parameters weight.

The main disadvantage of SAIPA-165 is still the company’s poor logistics - it is very difficult to find spare parts and consumables for this device. This is the main repulsive factor for consumers who praise the design itself, but are afraid of problems after purchasing devices from a Latvian company.

Advantages:

• low price;
• good welding ability;
• reliable “filling” that can withstand power failures.

Flaws:

• There are very few consumables and spare parts on the domestic market.

2 Svarog REAL MIG 200 (N24002)

Best rated power (7.7 kW)
Country Russia
Average price: RUB 25,390.
Rating (2019): 4.9

A device designed for manual arc and semi-automatic welding of metal products. Very popular in Russia, mainly for its outstanding characteristics. At a not very high price, this device has a total power of 7.7 kVA - not entirely economical, but it is possible to weld thick metal. With manual arc welding, the welding current can vary from 10 to 160 A, and with semi-automatic - from 30 to 200 A. In other words, obtaining a permanent connection of thin sheet metal can only be done by manual welding, since in the MIG / MAG mode there is a possibility burn-through. Overall, this is a great inverter, the only real drawback is the lack of a standard electrode holder.

Advantages:

• very powerful device;
• possibility of welding in manual and semi-automatic mode;
• simplicity and practicality of use;
• possibility of changing current polarity.

Flaws:

• The set does not include an electrode holder.

1 Aurora OVERMAN 180

Increased rated welding current (175 A)
A country: Russia (made in China)
Average price: 22,200 rub.
Rating (2019): 4.9

A semi-automatic welding machine, which is the flagship of the Aurora company. Looking at the characteristics, you can understand why users in most cases prefer this particular model. Despite the power of 4.7 kW, the device supplies a welding current of 175 amperes, which makes it possible to work with wire with a diameter of up to one millimeter.

Several convenient features certainly distinguish the OVERMAN 180 from a number of other semi-automatic inverters. The first is the ability to manually adjust the rigidity of the current-voltage characteristic depending on the type of metal being welded. Also noteworthy is the presence of a post-gas function - carbon dioxide is supplied to the sleeve for a second longer than the welding time, in order to protect the seam from oxidation and subsequent weakening.

Advantages:

• high reliability of the device;
• possibility of flexible adjustment of the welding arc;
• presence of a post-gas system.

Flaws:

• The wire feed speed is electronically controlled.

The best welding inverters for plasma cutting

An alternative to traditional electric welding equipment, plasma cutting inverters have long left specialized production lines. Now these devices are available for everyday use, finding increasing use in everyday life. Despite the fact that plasma cutters are capable of performing welding operations, their main purpose is the process of cutting metal, the thickness of which in some cases can reach more than ten millimeters.

3 RESANTA IPR-40

Best reliability indicators
Country: Latvia
Average price: RUB 31,450.
Rating (2019): 4.6

The achievement of Latvian production in the field of welding machines is a little weak in ergonomics, but very stable when performing cutting work. The main advantage of RESANT IPR-40 is the balance of operating parameters. The user can vary the cutting current value in the range from 15 to 40 A - the low value range is very important for the ability to cut metals with low melting points. All parameters are monitored using a pressure gauge provided on the front wall, standard for all products of this type.

But, despite all the advantages, RESANTA IPR-40 has a very significant drawback. Many consumers complain about the lack of consumables (such as nozzles and electrodes) in many Russian cities. This is an obvious problem with the company’s logistics, resulting in general indignation, and, as a result, negatively affecting the prestige of the products.

Advantages:

• high quality of cut;
• optimal balance of parameters;
• high degree of reliability;
• ability to regulate cutting current in the range from 15 to 40 amperes.

Flaws:

• disgusting company logistics - it is very difficult to get consumables;
• high price.

2 Aurora AIRHOLD 42

High power (6.6 kVA)
A country: Russia (made in China)
Average price: 19,900 rub.
Rating (2019): 4.8

Aurora AIRHOLD 42 is one of the best sellers on the domestic market, a good plasma cutter not at the highest price. The main quality of this inverter lies in its assembly - its reliability is beyond doubt. The same trend applies to performance characteristics. With a power of 6.60 kVA, the AIRHOLD 42 provides a cutting current ranging from 20 to 40 A at an air pressure of 4-5 bar. The device is capable of cutting sheets up to 12 millimeters thick, which is a standard (common) value.

The weakest point of the plasma cutter is its efficiency, equal to 80%. From the point of view of the average person, this does not play too big a role, however, in terms of performance (especially in comparison with more efficient devices), the presence of additional losses will be noticeable.

Advantages:

• high power (6.6 kVA);
• economical air consumption due to directional action (80 l/min);
• balanced performance characteristics.

Flaws:

• efficiency value (80%).

1 Svarog REAL CUT 45 (L207)

Best price
Country Russia
Average price: RUB 24,190.
Rating (2019): 4.9

In fact, the most inexpensive plasma cutting machine on the inverter market shows itself exclusively on the good side. Of course, nuances of use cannot be avoided, but in terms of basic indicators it more than satisfies consumers. Metal cutting occurs with high-frequency current from 20 to 45 amperes under a 4-bar air jet pressure. The maximum thickness of the cut metal is 12 millimeters - this is an acceptable value, which is found within the limitations of most competitive devices.

According to users, the most valuable qualities of the inverter are its small size, accompanying lightness and good cutting ability.

Advantages:

• high level of efficiency (about 85%);
• small dimensions and weight of eight kilograms;
• wide range of cutting current (from 20 to 45 A);
• attractive price.

Flaws:

• not identified.

The best premium welding inverters

Devices designed for professional welding, combining high power and accompanying characteristics (such as welding current or output voltage). It is not uncommon for three types of welding to be found in one piece of equipment: manual arc, semi-automatic and argon arc, each of which has its own adjustable parameters. It is not advisable to use such inverters for single work in a country house or at home - they are aimed primarily at workshops and small production lines.

4 Cedar MIG-300GD

Three-phase semi-automatic MIG/MAG for intensive use
A country: Russia (manufactured in China)
Average price: 83,250 rub.
Rating (2019): 4.2

“Kedr” MIG-300GD is a high-power professional-level 300A device for semi-automatic welding in shielding gases. It is characterized by convenient and simple operation, excellent quality components and performance. Welding values ​​are adjusted smoothly and over a wide range, and are accurately displayed on the digital display. Users respond positively to the inverter. The feeding mechanism is considered to be sensible, the wire, according to them, is fed smoothly, and the seam is formed neat and visually aesthetic.

For effective cooling of the device and simultaneous protection from contamination, a complex system based on the principle of tunnel ventilation is provided. This solution makes the machine unpretentious and allows it to be used in dust-generating industries. The electronic control system is responsible for quick settings for any material and thus ensures a stable welding process. In general, the inverter fully justifies its cost; it is a reliable and well-thought-out device.

Advantages:

• power, productivity, resource reserve;
• extreme clarity of settings;
• convenient swivel wheels;
• unpretentiousness.

Flaws:

• It is not possible to change the preset mode.

3 BLUEWELD Megamig 300S

The most powerful model
Country: Italy
Average price: RUB 133,670.
Rating (2019): 4.5

The device is of a completely different caliber, representing a real welding station for professionals. As a rule, BLUEWELD Megamig 300S is purchased for workshop equipment, since in everyday life its power will be in abundance. There is no question of universality: the inverter is intended exclusively for semi-automatic welding. 11.5 kW of power produces up to 300 amperes of welding current, which makes it possible to weld large thicknesses of metal.

Actually, the main feature and, in some cases, a disadvantage is the ability to power the semiautomatic device from a three-phase network. However, the dimensions, power, and weight lend themselves to this - although the device has transport wheels, it was created more for stationary use.

Advantages:

• high power (11.5 kW);
• wide range of welding current settings (from 20 to 300 A).

Flaws:

• high price;
• It is powered only from a three-phase network.

2 Aurora SPEEDWAY 175

The best combination of versatility and performance parameters
A country: Russia (made in China)
Average price: 34,500 rub.
Rating (2019): 4.7

Another bright representative of the Aurora company enjoys the reputation of one of the best universal inverters in its price category. Despite the active power of 4.8 kW, it allows you to weld using manual arc, semi-automatic and argon-arc welding with a maximum current value of 175 A. And if everything is more or less clear with the peak current, then it is quite difficult to understand its minimum values. Welding of thin sheet metal (from 0.8 mm) at a minimum (10 A) can only be done using the argon arc method, since the minimum manual welding method is limited to 20 A, which can lead to the notorious burn-through.

While there are usually no problems with ergonomics, it can be quite difficult for users to figure out TIG (argon arc welding). Otherwise, there are rare isolated complaints, which, as a rule, are of a purely subjective nature.

Advantages:

• versatility and multifunctionality;
• the presence of post-gas supplied for three seconds after welding.

Flaws:

• difficulties in mastering argon arc welding.

1 Fubag INMIG 250 T

Modern management. Professional burner "Fubag" included
A country: Germany (made in China)
Average price: 58,900 rub.
Rating (2019): 4.9

The INMIG 250 T model has been produced since 2015, which undoubtedly indicates its technical relevance. Thanks to the high welding current in MIG/MAG mode (up to 250A) and operating time (60%), it can be used with equal success in continuous production, in auto repair shops and on construction sites. On the panel of the durable metal case there is a control panel, closed during operation with a transparent lid. Together with the device, the package includes a branded burner with a hose length of 3 m, a gas hose and a grounding cable.

The electric current supply device is air-cooled, can withstand high loads and guarantees a high-quality and durable solution to any welding task. The burner is connected in the most universal and fastest way - using a Euro connector. For an instant and safe start of work, a useful function of currentless wire threading is provided, and the welding machine is protected from overheating and voltage surges by a multi-level system.

Advantages:

• high quality seam;
• two-roller wire feed mechanism;
• everything needed for welding included;
• The minimum weight for a professional device is 25 kg.

Flaws:

• Possibly overpriced.

Selection of household welding machines in the modern market is huge - from transformer And inverter to plasma cutting machines. The main area of ​​use of this electrical equipment for domestic purposes is the repair of automobiles and motorcycles, welding work on small construction sites. In this article, I propose to consider some points on the modernization of household transformer welding machines using the example of welding presented below.

Let's look at the circuit diagram of the device - as you can see, there is nothing complicated - a regular power transformer, with a 220/400V primary winding, with thermal protection and a cooling fan.

The operating current of the device (from 25 to 160A) is regulated by means of the retractable part of the transformer core. The device is designed to work with coated electrodes from 1.5 to 4 mm in diameter. What was the prerequisite for the modernization of this device? First of all, the instability of the supply voltage in the area where it was planned to use this device - on other days it barely reached 170V (by the way, some inverter devices simply do not start at this supply voltage). In addition, the device was not initially intended for making welds with high aesthetic characteristics (for example, when using electric arc welding in the process of artistic cold forging of metal or when welding thin-walled profile pipes) - in general, the main purpose of the device was to “solder” two iron parts together blanks. Among other things, it was very difficult to “light” the arc with this welding even at the rated supply voltage - there is no need to talk about reduced voltage at all. As a result, it was decided, first of all, to switch the device to direct current (for the stability of the electric arc and, as a result, to increase the quality of the welded joint) and also to increase the output voltage for more stable and easier ignition of the electrode. For these purposes, the rectifier/multiplier circuit designed by A. Trifonov was ideal - the circuit diagram (a) and current-voltage characteristics (b) are shown in the figure.

A special role in this technical solution of a seemingly ordinary rectifier is played by the jumper X1X3 - by inserting it, a rectifier device is obtained from a conventional diode bridge VD1-VD4 with a low-frequency filter C1C2L1, at the output of which in idle mode we have double the voltage (compared to the operating option device without a jumper). Let's take a closer look at the operation of the circuit. A positive half-wave of voltage is supplied to the semiconductor valve VD1 and, having charged capacitor C1 to the maximum, returns to the beginning of the transformer winding. In the other half-cycle, the charge passes to the capacitor C2, and from it to the valve VD2 and further to the winding. Capacitors C1 and C2 are connected in such a way that the resulting voltage is equal to the total (double) voltage, which is supplied through the inductor to the electrode holder and thus contributes to stable ignition of the arc. When the X2X3 jumper is closed and there is no welding arc, valves VD3 and VD4 do not participate in the operation of the circuit. The main advantage of the circuit is that when using a conventional bridge circuit, there is a sharp decrease in the rectified voltage with an increase in the load current at the moment of ignition of the arc; it is necessary to install electrolytic capacitors of huge capacity - 15000 microfarads, and all this despite the fact that at the moment the electrode touches the welded surfaces and instantaneous discharge of a high-capacity capacitor, a plasma micro-explosion occurs with destruction of the electrode coating, and this impairs ignition. Now a little about the design details.

Semiconductor diodes D161 or B200 with standard radiators for them are used as diode bridge valves. If you have 2 D161 diodes and 2 B200 diodes, you can make the bridge more compact - the diodes are made with different conductivities and the radiators can be fastened with studs directly to each other without using gaskets.

As capacitors, to play it safe, I used a set of non-polar capacitors MBGO (you can use MBGCh, MBGP).

The capacity of each was 400 microfarads, which was quite enough for stable operation of the device. The current inductor L1 is wound on the core from the TS-270 transformer with a wire with a cross-section of 10 mm square.

We wind until the window is completely filled. When assembling, we place 0.5mm thick textolite plates between the halves of the transformer core. Since it was planned to use the apparatus for welding thin-walled profile pipes, the negative terminal of the rectifier was connected to the electrode holder, and the positive terminal to the “crocodile” of the mass. The tests carried out showed the following results: stable arc ignition; reliable maintenance of the arc; excellent thermal conditions for long-term operation (10 electrodes in a row); good quality of welds (compared to using a machine without a rectifier). Conclusion - modernizing a welding machine using a Trifonov rectifier significantly improves its performance in all respects.

If you live in a private house or have a dacha, a garage or other buildings near which something needs to be repaired from time to time, then it is likely that a semi-automatic welding machine will sooner or later come in handy on the farm (today inverter-type models are becoming increasingly popular) .

Similar modern devices are used for electric arc welding, and with the latest inverter models, the welding process will not seem such a difficult task to you. Let's look at the most popular types of such mechanisms, highlighting their advantages and disadvantages of use.

In the old days, some craftsmen built welding machines for home use on their own, although not everyone used them.

With the advent of inverter devices, which are capable of operating in almost all existing modes and are universal devices for connecting all types of metal, amateur craftsmen have received more opportunities regarding welding.

Despite the relatively high cost of the best inverter semi-automatic welding machines, due to their versatility they completely pay for themselves.

Important!Inverter semi-automatic devices require very careful handling and protection from dirt accumulations, because if dust settles on electronic components, this can lead to overheating of the device.

Worth paying attention and on condensation that appears on module boards at subzero temperatures: it is this that often causes breakdowns and malfunctions of such devices. For this reason, inverters stored in heated rooms and never do not use in frosty weather or in the presence of precipitation.

Operating principle and design

The inverter is based on two powerful transistors, which get very hot during operation and have a built-in radiator for cooling. It is these semiconductor components that switch the currents flowing through the pulse transformer.

Operating frequencies in this case often exceed thousands of kHz. The result is a variable high current. Transistors must be highly resistant to sudden changes in voltage, so manufacturers equip devices with protective circuits.

The design of the welding inverter is determined by three main blocks:

• input rectifier (equipped with a filter);
• inverter module;
• output rectifier equipped with a choke.

The output welding rectifier allows you to obtain direct current for welding. The design of welding converters additionally includes elements that determine the specialization of each individual device.

For example, a welding machine for agricultural arc welding using a non-consumable electrode is additionally equipped with elements for supplying and adjusting shielding gas, a special cable, an appropriate torch and a hose.

What is an “inverter welder” in terms of its operation? First of all, this is a device that gradually converts the received electricity according to the following algorithm: industrial type of electricity 380 or 220 Volt modified using a rectifier.

All noise of a technological nature is smoothed out by filters built into the device, the stabilized energy is converted into high-frequency current (10-100 kHz), and the transformer lowers the voltage to the value necessary for stable ignition of the electrode arc.

After this, a high frequency rectifier converts the electricity into direct welding current. Each operating stage is controlled by a special transistor in feedback mode.

Microprocessor control of all technological processes inside the inverter significantly facilitates the work of the welder by introducing the functions of hot start, anti-sticking, and arc forcing.

The process itself takes place using a burning wire in a special gas environment (argon, carbon dioxide, helium) or using a cored wire without exposure to protective gases.

This scheme of operation of an inverter semi-automatic welding machine has many advantages, which will be discussed further.

Did you know?The highest welding temperature reaches 5000 °C.

Advantages of inverter-type semi-automatic machines

The described type of semiautomatic welding machines is a relatively new development, which, in comparison with other similar devices, has several advantages. First of all, one cannot fail to note the more accurate welding seams and the almost complete absence of welding spatter during operation.

The device itself more compact, thanks to which there are no problems with its transportation. Moreover, in comparison with other welding devices, when using the inverter option, significant energy savings will be noticeable.

The advantages of using the described device include: hot start function(provides for a sharp increase in current parameters at the first stage of welding, which facilitates the formation of an arc), anti-stick function(reduces current parameters when electrodes stick, thereby allowing them to be disconnected from the metal).

Arc force function(allows you to improve the quality of welding on a vertical surface).

How to choose

Having learned about all the advantages of welding inverters, many craftsmen will probably want to purchase such an assistant for themselves.

But how to choose an inexpensive semi-automatic inverter welding machine with the optimal set of all functions? Let's see what features should be taken into account first of all, and what in its characteristics is not so important in household work.

What to pay attention to

When choosing a device for efficient operation, the following features must be taken into account model you are interested in:

• Built-in protection against sudden changes in network voltage(the optimal level of such a protective parameter is 20-25% for industrial devices and 10-15% for home devices).
• Availability of tunnel ventilation(provides for the radiator to be located along the body, with the main components located inside it). This allows you to avoid dust accumulation, but most often this problem is more relevant for large-scale production, while when buying a welding device for home use, you don’t have to overpay for this function.
• Availability of printed circuit boards on the service(the most common and expensive problem) to this model. The availability of spare parts only on order will indicate that such breakdowns are rare, and this is good.
• Temperature range of operation of the welding inverter(according to the generally accepted standard for manual arc welding, a temperature gap from -40 °C to +40 °C is provided, but before purchasing it is still better to look at the manufacturer’s website or in the catalog, since at temperatures below 0 °C most inverters simply will not start ).
• Performance of a specific inverter semi-automatic machine(All data of this kind is given based on the calculation of the voltage in the supply network. Typically 220-230 V). However, the characteristics often indicate an indicator of 170-270 V, but in this case it is necessary to understand that the performance of the device at 170 V will be much lower than at 220 V. Conclusion - the power reserve is very useful (for welding with a 3 mm electrode you will need a device with indicator of 4 mm).
• Device specifics: household (capable of working continuously for 15-30 minutes with a further break of about 1 hour), professional (provides the possibility of an 8-hour work cycle) and industrial (it is possible to operate in three shifts with short intervals).
• Availability of a service center, company catalogs, clarity of instructions with a translation option for your country and other indirect signs of a quality product.

Did you know?The electric arc was discovered in 1802, but full-fledged welding was invented much later - in 1883.

What you can ignore

At the same time, in addition to the “mandatory” characteristics that cannot be ignored when purchasing an inverter, there are less important parameters, for example:

• You should not focus on the “hot start”, “anti-stick when turned off” or “arc force” functions, since these functions are relevant for almost all inverters, regardless of the model.
• “Price-quality” ratio (the high cost of a device does not always indicate its quality, because everything here depends more on the scale of production).
• Information from the certificate. According to experts, the certificate is the last place you should look, because in 90% of situations the country of origin still turns out to be China, even if the documents say something else.

Review of the 4 best FUBAG welding inverters

Having familiarized yourself with the main characteristics of welding inverters, it’s time to move on to considering specific popular models, with all their pros and cons. Let's start with devices from FUBAG.

Fubag IRMIG 200

The semi-automatic welding inverter from the Fubag company called “IRMIG 200” copes well with any welding work using the MIG/MAG and MMA methods, and the high-quality components of the device will ensure it long-term operation.

This model is intended for periodic welding, and both professional, so inexperienced user. This is an excellent solution for car service, production, garage, construction and gardening.

Characteristics:

• The weight of the device is 15.4 kg.
• Power used - 7.9 kW.
• Design dimensions - 570x320x440 mm.
• Current strength - from 30 A (minimum value) to 200 A (maximum).
• Types of welding (possible) - MIG, MMA, MAG, without gas.
• Works with electrodes 1.6-4 mm thick.
• Cooling - air.

Pros:

• Easy setup of the device before starting work.
• Good welding even at low mains voltage.
• Compactness and lightness (allow full use of the device in limited space and expand the capabilities of the device due to its mobility).
• Stable and good arc.
• The presence of a Euro connector (it becomes possible to use removable burners).
• The presence of an effective air cooling system, a grounding cable, a gas hose and a clamp for it.
• Availability of automatic wire feed mechanism.

Minuses:

• Average length of power wires (sometimes it is not enough).
• Noisy fans.

Fubag INMIG 200 PLUS

This model of inverter can be safely classified as a middle class of similar devices, where it occupies rather an entry-level level. That is, for household needs where no tools are required high power, Fubag INMIG 200 PLUS will do just fine.

The device is also suitable for low- and medium-intensity welding work that is short-term and irregular in nature.

Characteristics:

• Weight - 15.4 kg.
• The required voltage in the network used is 220 V.
• Power used - 7.92 kW.
• Dimensions - 550x320x440 mm.
• Current strength - from 20 A to 200 A.
• The thickness of suitable electrodes is 0.8-1.0 mm.
• Types of welding - TIG, MIG, MAG, MMA, without gas.
• Cooling - air.

Pros:

• Simple ignition of the welding arc (you just need to touch the workpiece with the wire).
• Possibility of adjusting the speed of wire use.
• Monitoring the operating settings of the device and its characteristics using light indicators and two bright displays (located on the front panel of the inverter).
• Reliable cooling system.

Minuses:

• Sometimes problems arise with pre-gas and post-gas.
• Sensitivity to low voltage.
• Care for protection when using the device on an extension cord longer than 20 m.
• The required wire speed can only be adjusted after welding has started.

Fubag INMIG 250 T

Model medium power level, suitable for a fairly wide range of work. First of all, Fubag INMIG 250 T is perfect for confident users who are looking for a reliable inverter semi-automatic machine for long and frequent welding.

The device is successfully used by both ordinary welders and professionals in their field: builders, auto mechanics, installers, etc.

Characteristics:

• Weight - 20 kg.
• Voltage - 380 V.
• Power used - 8.7 kW.
• Dimensions - 610x240x430 mm.
• Current strength - from 50 A to 250 A.
• The thickness of suitable electrodes (wire without gas) is 0.6-1.2 mm.
• Types of welding - MIG, MAG, without gas.
• Cooling - air.

Pros:

• Easy control of all operating parameters using indicator lights and displays.
• Availability of wire speed, current and voltage regulators.
• Availability of a special Euro connector.
• Availability of reliable protection against overheating.

Minuses:

• Ability to work only with input voltage (V 380 V), which is why you need to think about it in advance additional power source, if your electrical network cannot provide this indicator.

Fubag IRMIG 180

The model is different high quality completed seam and is excellent for use in auto repair shops, small production facilities and construction sites where there is a need for discreet welding. Can be successfully used as professional workers, so newbies.

Characteristics:

• Weight - 12 kg.
• Voltage - 198-242 V.
• Required power - 6.6 kW.
• Dimensions - 70x300x370 mm.
• Current strength (welding) - from 30 A to 180 A.
• Types of welding - MIG/MAG.

Pros:

• Possibility of operation in a fairly low room or at a low altitude.
• The presence of a high-quality forced cooling system eliminates the possibility of overheating of the device.
• Connection to a standard household socket of 220 V.
• Availability of a professional burner and voltage control on it.
• Long continuous operation at maximum current supply.
• Automatic wire feed and metal feeder.
• Ability to use the device in low and high temperature conditions.

Minuses:

• Quite a high cost.
• A small number of settings for a real specialist.
• Short power wires (a common problem for many inverter semi-automatic machines).
• Non-standard holes for fixing on the wall.

Review of the 2 best semi-automatic welding machines "Svarog"

Inverter semi-automatic welding machines from the company " Svarog" intended for professional welding at home. In addition, such equipment is quite in demand when assembling various metal structures.

The maximum current strength of Svarog inverters varies from 160 A before 500 A and even more. Among the fairly extensive assortment, you can find devices that connect to a single-phase network (that is, with a voltage of 220 V), as well as models with a voltage of 380 V(for three-phase network).

In this case, the weight of the structure itself can be from 25 to 100 kg.

Svarog REAL MIG 200 (N24002)

This model refers to household appliances, however, it is also great for advanced users who already have some experience in welding.

The device is very well equipped in functional terms and has a fairly significant working resource, thanks to which able to function properly for many years.

Characteristics:

• The weight of the structure is 13 kg.
• The required voltage (in the network) is 220 V.
• Power (used by the device) - 6.1 kW.
• Dimensions - 502×225×375 mm.
• Current strength - 30-200 A.
• The thickness of suitable electrodes is 0.6-1 mm (copper-plated wire).
• Types of welding - MMA, MAG, MIG, without gas.
• Cooling - air.

Pros:

• Ability to work using cored wire, as well as standard coated electrodes (in direct or reverse polarity mode).
• The wire feeding mechanism is made of durable metal.
• The presence of a convenient handle for transporting the device.
• Availability of a replaceable torch and a quick-release connection for connecting the torch.
• Ease of use.

Minuses:

• The weight of the structure is quite large.
• No electrode holder.
• The wire feeding motor is too noisy.

Svarog PRO MIG 200 Synergy (N229)

Another inverter semi-automatic welding machine related to household class. However, in comparison with others, this model is more advanced option, both in terms of functional equipment and technical characteristics, making it ideal for private users with some experience.

Characteristics:

• The weight of the device is 12.5 kg.
• The voltage in the network used is 220 V.
• Power used - 7.2 kW.
• Dimensions - 485x185x370 mm.
• Current strength - 10-200 A.
• The thickness of suitable electrodes is 1.5-5.0 mm (electrode diameter for MMA), 1.0-3.2 mm (TIG diameter), 0.6-1.0 mm (MIG welding wire diameter).
• Cooling - air.

Pros:

• High-quality assembly of the device.
• Full implementation of the entire scope of work provided for by the technical specifications.
• Possibility of performing three types of welding.
• Smooth and strong welding seam.
• An excellent option for professional use.
• High welding speed.

Minuses:

• High price.
• Loose seating of the wire spool.
• Lack of TIG torch and holder for manual welding.

Svarog REAL MIG 160 (N24001)

A functional and compact semi-automatic welding machine, which, like the previous options, belongs to the household class of devices.

Suitable for use by both experienced users and beginners in welding. Svarog REAL MIG 160 (N24001) has rich functionality and has high working resource.

Characteristics:

• Weight - 5 kg.
• Voltage (consumed from the network) - 220 V.
• Power - 5.9 kW.
• Dimensions - 502×225×375 mm.
• Current strength - from 30 A to 160 A.
• The thickness of suitable electrodes is 0.6-0.8 mm.
• Types of welding - TIG, MIG, MMA, MAG, without gas.
• Cooling - air.

Pros:

• Convenient settings.
• Good wire feed.
• Excellent quality of penetrations and seams in any mode.

Minuses:

• Relatively high price.
• There is nowhere to hide the wires.

Review of the 3 best semi-automatic inverters FOXWELD

Semi-automatic welding equipment from the manufacturer FOXWELD was developed specifically for efficient operation with minimal energy and physical costs.

All devices are very diverse in power range, have optimal dimensional characteristics, high efficiency and a good price-quality ratio. Let's consider the most famous models that are especially popular.

FOXWELD VARTEG 150 DUO

This model is used for welding work using direct current(semi-automatic) and solid wire, with a diameter of 0.6-0.8 mm in diameter in a gas environment of stainless and ferrous steels, copper alloys, as well as flux-cored wire 0.8 mm without the use of protective gas.

If desired, the specified model also suitable for arc welding welding beginners or professional users.

Characteristics:

• Weight - 7.9 kg.
• Voltage - 220 V.
• The power of the network used is 3.1 kW.
• Dimensions - 357x170x270 mm.
• Welding current strength - 180 A.
• Cooling - air.

Pros:

• Built-in wire feed mechanism on two rollers.
• Possibility of using different operating modes (with or without gas).
• Clear and easy to use panel.
• Relatively low cost.
• Small dimensions, which make the device a good option for a garage, cottage or home.
• Possibility of stable operation at reduced voltage.

Minuses:

• Relatively low power.
• More suitable for infrequent home use with minor work tasks.

FOXWELD VARTEG 180 DUO

Good option to do small repair work, requiring device mobility, good quality of the final result and high performance.

Along with the device itself, a grounding clamp, a welding torch (semi-automatic), copper tips, a brush, welding wire and a welder’s shield are also supplied - everything you need for comfortable and easy work.

Characteristics:

• Weight - 10 kg.
• Voltage - 220 V.
• Power - 4 kW.
• Dimensions - 445x200x305 mm.
• The operating current is from 40 A to 180 A.
• The thickness of suitable electrodes is 0.6-0.8 mm (solid wire in a protective gas environment or cored wire), 1.6-3.0 mm (electrodes with rutile and basic coating).
• Types of welding - MIG, MAG, MMA, without gas.
• Cooling - air.

Pros:

• Comfortable ergonomic handle.
• Availability of a quick-release connection for connecting the burner.
• Possibility of full functioning at reduced current (up to 140 V).
• Small weight and dimensions of the device.
• Convenient location of all elements on the control panel.

Minuses:

• In semi-automatic mode, the gas supply hose may break, but this happens infrequently.
• Relatively low power.

FOXWELD INVERMIG 185

This model is able to provide ideal welding characteristics even in in case of a slight drop in input voltage(especially when working at low currents and when connecting elements with small thickness).

Ideal for use in garage conditions,small car service or for urgent repair work.

Characteristics:

• Weight - 20 kg.
• Voltage - 220 V.
• Power - 4.2 kW.
• Dimensions - 480x197x466 mm.
• Current strength - from 30 A to 180 A.
• The thickness of suitable electrodes is 0.6-1.0 mm.
• Types of welding - MAG, MIG, MMA, without gas.
• Cooling - air.

Pros:

• Can change the polarity for flux-cored wire and adjust the arc length (the welding process takes place with minimal metal spattering).
• The wire feed unit is built into the device itself.
• Availability of a modern function for adjusting the length of the welding arc.
• Good performance from a 7 kW generator without loss of welding current.
• Resistance of the device's modular circuitry to failed networks.

Minuses:

• Insufficient information content of the instructions (for beginners).
• When you change the setting of one of the three regulators, some other indicator may change.
• Unreliable plastic nut securing the coil.

Review of the 3 best Aurora welding inverters

Aurora inverter semi-automatic welding machines are created using the latest technological processes and innovative solutions, which contribute to the production of high-quality, but such different equipment.

Thus, in the model range of the indicated manufacturer they are presented as budget models, more suitable for amateur welding, so professional, multifunctional equipment. Let's look at some of the most popular inverter models from Aurora.

Aurora SPEEDWAY 175

This model is the largest work in the initial line of professional welding inverters of the mentioned company. It is a universal device that provides high-quality semi-automatic welding in an active/inert shielding gas environment, using self-shielding flux-cored wire, manual arc welding using a stick electrode and for argon-arc welding at a constant current.

Characteristics:

• The weight of the device is 12.8 kg.
• Voltage - 220 V.
• Power used - 4.8 kW.
• Dimensions - 420x220x439 mm.
• Current strength - from 50 A to 175 A.
• The thickness of suitable electrodes is from 0.6 to 4 mm.
• Types of welding - TIG, MIG, MMA, MAG.

Pros:

• Excellent performance when welding aluminum (high-quality welds of workpieces 8-10 mm thick).
• Possibility of synergetic “one button” control.
• Simple polarity change.
• Stable operation when the voltage in the supply network decreases.
• High level of arc stability and reduced spatter.
• The presence of a bright digital display used to display welding process parameters.
• Automatic overload protection.
• A wide range of additional welding accessories for comfortable work in all modes.
• The presence of LEDs on the control board, which facilitate diagnostic procedures when problems occur.
• Modern design of the device body.

Minuses:

• There is no high-frequency ignition during TIG welding.
• There is not enough adapter axis for small reels (0.9-1 kg).
• With a maximum spool size of 5 kg, the wire compartment lid does not always close.

Aurora OVERMAN 180

The semi-automatic inverter welding machine Aurora OVERMAN 180 is perfect for long-term work when solving everyday and professional problems, which is why it is often used in car repair shops, small industries or private garages. Like the previous option, it can demonstrate high efficiency when working with aluminum products.

Characteristics:

• Weight - 15 kg.
• Voltage - 220 V.
• Power used - 4.7 kW.
• Dimensions - 482×197×466.
• Current strength - from 40 A to 175 A.
• The thickness of the electrodes is 0.6-1.0 mm.
• Types of welding - MAG, MIG.

Pros:

• Good equipment (there are even hose clamps).
• Smooth adjustment allows you to properly configure the device.
• Neat and even welding seams.
• Possibility of adjusting current and voltage during welding.
• Good quality aluminum welding.
• Setting the wire speed (feed) (slow and fast).
• Reduced spatter and high arc stability.
• More modern MOSFET inverter technology based on TOSHIBA transistors.

Minuses:

• High price.
• Working with aluminum is possible only at the household level.
• 0.6mm wire is not included (0.8mm and 1.0mm only).
• Relatively heavy weight.

Aurora OVERMAN 160

Like previous models, this device is perfect for household needs, although it can also be used as semi-professional device when welding various metals, in particular aluminum.

Characteristics:

• Weight - 15 kg.
• Voltage - 220 V.
• The network power used by the device is 4 kW.
• Dimensions - 466x197x482mm.
• Current strength - from 40 A to 160 A.
• The thickness of suitable electrodes is 0.6-1 mm.
• Types of welding - MIG, MAG.

Pros:

• Ability to work in networks with large voltage drops, that is, during a sharp drop in voltage.

Important!The change in inductance is reflected in the rigidity of the arc, the depth and shape of the weld.

• Suitable for both household and semi-professional welding, leaving an even seam.
• Easy setup of the device to implement a wide range of welding tasks.
• The welding inverter kit includes a three-meter torch, a ground clamp and a 25-meter cable.

Minuses:

• High cost of the device.
• Problems often arise with the adjustment of pre- and post-gas.

Review of the 2 best semi-automatic inverters Resanta

Resanta inverter semi-automatic welding machines are devices that operate from a regular household network. All of them are lightweight and have the same performance with a standardized filler wire diameter, which is why they are more often used for domestic needs.

Important!When describing Resanta semi-automatic devices, the abbreviated name of the devices - SAIPA - is often used.

Reesanta SAI-200PA

Modern high-tech model welding machine, characterized by good functionality and small size. The model allows you to get the most even welding seam along its entire length, and the switching time is 80% .

Characteristics:

• Weight - 14.3 kg.
• Voltage - 220 V.
• Power used - 5.5 kW.
• Dimensions - 505x280x215 mm.
• Current strength (when welding) - from 30 A to 200 A.
• The thickness of suitable electrodes is 0.8-1 mm.

Pros:

• IGBT platform.
• More efficient forced ventilation system.
• The presence of a special temperature sensor inside the case, eliminating the possibility of overheating of the device.
• Features a rigid handle for easy carrying.
• Quick connection due to the presence of special terminals that eliminate current loss.
• Automatic shutdown of the device when it overheats.
• Metal body and light weight.
• Ease of transportation.

Minuses:

• Short network cable.
• Weak belt fastening.

Resanta SAIPA-135

Unlike the inverters described above, this model involves the use special wire for welding work. Its feeding is carried out automatically, at a predetermined speed, which makes the seams as smooth as possible.

At maximum current, the immersion duration is usually 70% .

Characteristics:

• Weight - 11 kg.
• Voltage - 220 V.
• Power used - 3.3 kW.
• Dimensions - 300x140x270 mm.
• Current strength (welding) - from 20 A to 110 A.
• The thickness of suitable electrodes is 0.6-0.8 mm.
• Types of welding - MAG, MIG and without gas.
• Cooling - air.

Pros:

• IGBT platform.
• The presence of a temperature controller that automatically turns off the device when overheated.
• The presence of a rigid handle for convenient carrying of the inverter.
• Smooth adjustment of the welding current through the use of pulse width modulation.
• Light weight and dimensions.
• Possibility of successful use in weak networks.

Minuses:

• Short holder cable.
• Weak regulator.
• Inability to connect a standard burner, while the “native” one is too short.

As you can see, the modern market can offer a huge number of various options for inverter welding machines, with different design features and performance characteristics, and in order not to make a mistake in choosing, decide for what specific purposes you need an inverter.

If for frequent professional use, then you should give preference to more powerful and durable devices, which, unfortunately, are not cheap.