I would like to ask the master, can my welding machine 380 use 220 electricity?

It can't be used. The use of 380 on 220 will not burn.

However, 380 is to be connected to 3-phase four-wire, 220 is 2-phase, and the wiring is different.

I can't use it.

Even if you can do it for a short time, it's best not to use it that way.

Because the components inside are all based on 380 volts, it is not good to damage the components with 220 volts.

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There are two kinds of 380-volt welding machine to 220-volt: one is the old-fashioned transformer-type electric welding machine, which can first count a few turns at the 380-volt input terminal, weld the wire to the lease, measure the voltage value after power-on, calculate the number of volt turns, and then calculate the 160-volt position from the 380 end forward, and weld out the double-voltage form of thick lead. The second type shed is an electronic version of the electric welding machine, just open the chassis directly, find the power module, and replace the 220-volt power board directly under the 380-volt one.

If you wish that the welding machine does not have a 220V joint, you can change it, but you should disassemble the welding machine, remove the secondary winding, and tap the main winding at 220V.

How to convert a 380 volt electric welder to 220 volts? There are two kinds of 380 volt welding machine to 220 volts: one is the old transformer type electric welding machine, you can first count out a few turns at the 380 volt input end, weld the reed wire to the lead hole, measure the voltage value after powering up, calculate the number of volt turns, and then calculate the 160 volt position from the 380 end forward, weld out the thick lead, so that it is changed to 220 380 double voltage form.

The second is the electric welding machine of the electric dispersion and tremor sub-version, just open the chassis directly, find the power module, and directly replace the 220-volt power strip with the 380-volt one under the punching section.

If the welding machine does not have a 220V joint, it can be changed, but the welding machine should be disassembled, the secondary winding should be removed, and the main winding should be tapped at 220V. The second is the electronic version of the electric welding machine, just open the chassis directly, find the power module, and directly replace the 220-volt power board with the 380-volt one.

If the welding machine does not have a 220V joint, it can be changed, but the welding machine should be disassembled, the secondary winding should be removed, and the main winding should be tapped at 220V.

Converting a 380-volt welder to a 220-volt welder requires a circuit modification. Since the change of voltage involves electrical safety issues, it is recommended to find a professional electrical engineer or maintenance engineer to carry out circuit modification to ensure that the modification process is safe and reliable.

In general, the following steps are required to convert a 380-volt welder to a 220-volt welder:

Replace the input power plug: Replace the 380-volt plug at the input end of the welder with a 220-volt plug to accommodate different power supplies**.

Replacement of transformer: Replace the original 380-volt transformer with a 220-volt transformer. It is necessary to choose a transformer that matches the current and power to ensure the normal operation of the welding machine.

Replace the output cable and welding gun: Replace the original 380 volt output cable and welding torch with a 220 volt output cable and welding torch to meet the welding needs of the non-Qin whisper.

Before modifying the electric stove welding machine, it is necessary to confirm whether the voltage and power of the input power supply meet the requirements after modification to ensure the safe and stable operation of the electric welding machine. At the same time, when carrying out circuit modification, it is necessary to pay attention to safety matters to avoid the occurrence of dangerous situations such as electric shock.

According to your description, using a 380 volt welder to convert to 220 volts can use the following steps: 1Disconnect the 380-volt welder switch and open the cover on the welder; 2 .

Disassemble the 380-volt spark plug, convert one of the wires to 220-volt and reinstall it back in place; 3 .Disassemble the transformer on the welding machine, hook the ultraviolet lamp on the old transformer balancer, and add a new 220V original current transformer. 4 .

Replace the new transformer in its original place and take care to tighten the individual connection screws. 5 .After installation, re-close the shell according to the previous method, and the process of converting the 380V welding machine into 220V can be completed.