Best 3 Phase Welding Machines Reviews (2021)

Best 3 Phase Welding Machines 2021

Welding machines come in different sizes, shapes, efficiency, and power. It makes it hard for people to choose the right machine that suits their welding tasks.

Have you ever heard about a 3-phase welding machine?

The welding machines we use in our day-to-day life are 2-phase or bi-phase welding machines. These machines are capable of carrying out small or medium-sized domestic and commercial tasks.

But if you want to weld thicker materials, with high strength, then you need a 3-phase welding machine.

A 3-phase welder is stronger and better in terms of welding and efficiency.

Before going on the best 3-phase welders, have a look at the reasons why you need a 3-phase welding machine.

The welding machines have been in use for a long time, and it has created a lot of buzz among the people who don’t know the difference between bi-phase and 3-phase welding machines.

3-phase welders are better for strong welds

If you need stronger welds, then there is nothing better than a 3-phase welding machine. These Welding Machine 3 Phases have more power and are capable of welding at a rapid pace.

Bigger Transformer

Bi-phase and single-phase welders have small transformers because their power consumption is less as compared to a 3-phase machine. The transformers mounted in 3-phase welders are bulky and require more power supply due to their higher efficiency.

Best for Commercial Tasks

Welding machines with 3-phase are perfect for heavy-duty and industrial tasks. These machines can bear more load capacity and can deliver precise welding results.

Comparison Chart

Power Supply Weight

Digital Screen

208-460V 45 pounds


380V 26.3 pounds


N/A 31.8 pounds


Best 3-Phase Welding Machines Of 2021

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Picking the best 3-phase welder is a daunting task, and you need to focus on multiple factors for choosing the right welder. Here are some topnotch welding machines that have all the required features and are perfect for all types of welding tasks.

3 Phase Welding Machine – AC/DC Power Source Tig Stick Welder

EASB is a prominent name in the welding machine industry, and their welding machines are quite popular due to higher efficiency and better accuracy.

ET 220i is a precise and reliable welding machine that comes with the option of 1 or 3 phase for better control over the types of welds.


High-Frequency Start

The machine starts with a high frequency, so you don’t have to wait until the device gets ready for the welding operation. After powering the machine, you can start with the welding process on different types of metals.

Easy To Handle Digital Controls 

You will get a comprehensive set of digital controls in ET 220i. There is an LCD screen available which helps the operator in handling the controls with more accuracy. Also, the embedded microprocessor makes things easier for the operators.

Tiptronic Memory Functions

With the help of Tiptronic memory functions, you can set the machine for previous welding settings. There is no need to program the machine every single time before using it. Just use the memory function, and it will adapt itself as per your preferred welding settings.


Sturdy Build Quality

The outer shell has aluminum construction which makes it a sturdy and robust welding machine. When you have ET 220i by your side, you don’t have to worry about the minor damages.

  • ET 220i has digital controls with smart LCD which is beneficial for easy control. Another surprising thing is the weight.
  • Most 3-phase welders are extremely heavy but this machine only weighs 45, and thus you can carry ET 220i with you whenever you need.
  • Setting up the welding machine is a tough task if you are a beginner and new to welding machines.
  • The interface is also quite hard to learn for new users.

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Hitbox Arc 3 Phase Welding Machine

Hitbox arc is another welding machine that comes loaded with a plethora of useful features. The machine has a basic interface that is easy to learn for novice users. Also, there is no hard to learn feature that can land you in a state of confusion.

Easy to Power on/off

With the help of the on/off switch you can power the machine. Some welding machines lack this basic feature, and it is beneficial for the operators who have extension wires attached to the welder.


Commendable Duty Cycle

You will get a duty cycle of 60% with this industrial grade welding machine. The duty cycle is enough to weld multiple materials with better strength.

Turn Dials and Digital LCD

There is a current and arc force control mounted on the machine through which you can control the flow of the current and the stability of arc. ZX7-315 will deliver you with better outcomes when compared to other 3-phase welding machines.


  • The price of this welding machine is justifiable and affordable.
  • If you need something portable, then ZX7-315 is the right option for you.
  • The operator will not get complete control over the machine due to the lesser availability of options.
  • You can use this welder for simple purposes that require lesser preciseness.

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250Amp Heavy Duty 3 Phase Welding Inverter Machine

Tools center is not a new name in the field of garden and welding equipment. The manufacturer produces machines that have robust built and are perfect for all the tasks assigned to them.

Simple and user-friendly interface

The interface of this machine is very basic, and you don’t have to learn any mantras to use this welding machine. There is a total of 3 switches available on the deck, i.e. on/off switch and turn dials. You can adjust the arc force and the current with the turn dials while you can power off the machine anytime with the help of the switch.


Better Heat Protection

The back panel of Tools Centre Japan Made 250Amp welding machine has a strong power fan that regulates the internal heat efficiently. The design is also appreciable, and the air vent is large enough to allow the heat to seep out.

Light in Weight

The overall weight of this welder is 31.8 pounds, so you don’t have to worry about the bulkiness. You can easily carry the machine around with you, whenever needed.


  • There is an LCD screen on offer so anyone including the new users can use the machine seamlessly.
  • It has higher input capacity and better output so the welds will be more robust and extremely sturdy.
  • The design of the machine looks old.
  • It needs timely maintenance, so you have to invest some money in maintenance which is an expensive deal.

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The Verdict

The 3-phase welding machines are used all across the globe, and most operators with heavy-duty usage prefer these machines to weld the metals.

If you want to weld the pieces of small ships, aircraft, and other machines that require better welding, then a 3-phase welding machine is a great option.

Check out all of the three machines explained above and pick one that suits your requirements for catering to your needs with the best welding experience.

Also, pay attention to the comparison table for better selection, if you don’t know much about welding machines.

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