1. Simple design and advanced inverter technology, durable and easy to carry.
2. HF pressure increasing arc initiation and pulsation thermal arc initiation design, excellent arc initiation performance.
3. Unique over voltage protect design, avoid the loss for jointing 380V by mistake.
4. Double functions. Suitable for TIG and MMA welding of various metals.
5. Unique output characteristics protection design, more suitable for filler wire welding and the welding point is not black, excellent weld appearance.
6. Minimum welding current is to 5-8A, stable arc suitable for stainless steel plate welding;
7. Various capacity, have pulsation arc welding capacity, adjust the time of pulsation frequency and wastage, suitable the high quality welding.
8. MMA is easy arc initiation, stable current and has no noise.
9. Fast, small splash, do not stick to slip, excellent welding appearance.
10. Wide working voltage range, strong adaptability to electricity network, high duty cycle.
11. Complete accessories: Welding torch, welding cable, earth clamp, welding holder, carton box

Specification WSM-250 WSM-315 WSM-400 WSM-500
Rated Input Voltage(V) 380+10% 380+10% 380+10% 380+10%
Rated Input Capacity (KVA) 9.5 13 16.8 19
Range of Output Current (TIG) 10-250A 10-315A 20-400A 5-500A
Range of output Current (MMA) 10-180A 10-200A 20-315A 5-500A
Base current range(A) 10-180 10-315 20-400 5-500
Peak Current (A) 10-250 10-315 20-400 5-500
Open Circuit Voltage 60V 60V 70V 70V
Loading Constant Rate 60% 60% 60% 60%
Weight (kg) 22 25 30 65
Dimension (cm) 30× 50× 45 30× 50× 45 30× 58× 45 30× 50× 45

The data in the above table is only for reference. Please subject to the nameplate on the device.