WS-250 inverter DC tig/mma welding machine:
Rated Input Voltage: 3 Phase AC380V± 15%
Frequency(Hz): 50/60
Rated Input Current(A): 14.4/10
No-load voltage(V): 70
Output Current(A): 20-250
Rated Output Voltage(V): 30/20
Duty Cycle(%): 60
Striking Arc Model HF
Efficiency(%): 85
Power Factor 0.93
Insulation Class: F
Protection Cladd: IP21
Weight(kg): 19
Dimensions(mm): 480× 204× 303
Packaging Size(mm): 530× 254× 353

WS-315 inverter DC tig/mma welding machine:
Rated Input Voltage: 3 Phase AC380V± 15%
Frequency(Hz): 50/60
Rated Input Current(A): 19.7/13
No-load voltage(V): 73
Output Current(A): 20-315
Rated Output Voltage(V): 32.6/22.6
Duty Cycle(%): 60
Striking Arc Model: HF
Efficiency(%): 85
Power Factor: 0.93
Insulation Class: F
Protection Cladd: IP21
Weight(kg): 26.4
Dimensions(mm): 565× 306× 432
Packaging Size(mm): 615× 356× 482

WS-400 inverter DC tig/mma welding machine:
Rated Input Voltage: 3 Phase AC380V± 15%
Frequency(Hz): 50/60
Rated Input Current(A): 27.6/20
No-load voltage(V): 73
Output Current(A): 20-315
Rated Output Voltage(V): 36/26
Duty Cycle(%): 60
Striking Arc Model: HF
Efficiency(%): 85
Power Factor: 0.93
Insulation Class: F
Protection Cladd: IP21
Weight(kg): 28
Dimensions(mm): 565× 306× 432
Packaging Size(mm): 615× 356× 482

Product Description & Feature:
1. Apply advanced reversing technology and imported MOSFET
Power switch.
2. Apply PWM control technology, outstanding constant current property, precise current control.
3. Apply high frequency to generate arc with high voltage, outstanding arc generating performance, high welding penetration.
4. High power utilization, low consumption without load, save energy.
5. Wide work voltage range, strong ability in adapting power grid.
6. It can be used for welding stainless steel, copper, carbon steel and other non ferrous metals.
7. Applicable for the metal processing for such industries as ship making, chemical, boiler, medical care hardware, environmental protection and decoration etc.
8. With manual arc welding function, it can provide complete welding with different materials.