Portable Welding Machine MMA-400
WEINER tech MMA-400 portable welding machine, up to 180A, Class F insulation, gas
cooling, IP21S protection.
Description
Model: MMA-400
Brand: WEINER tech
Product Description:
The WEINER tech MMA-400 portable welding machine is designed for professional-
grade applications requiring higher capacity than previous models. It provides an
adjustable current range from 20A up to 180A, with an open-circuit voltage of 60V.
Engineered for efficiency at 60% and 100% duty cycles, it offers a 0.73 power factor
for optimized energy use. Featuring Class F insulation, gas cooling, and IP21S
protection, this unit ensures durability, safety, and reliable performance under
demanding conditions.
Technical Specifications:
Standard: IEC 60974-1
Current/Voltage Range: 20A/20.8V – 180A/27.2V
Open Circuit Voltage: 60V
Duty Cycle @60%: 180A / 27.2V
Duty Cycle @100%: 139A / 25.5V
Input Voltage: 220–240V
Frequency: 50/60Hz
Power Factor: 0.73
Max Current (Imax): 35.8A
Effective Current (Ieff): 27.7A
Apparent Power (S1): 7.8 KVA @60% / 5.7 KVA @100%
Insulation Class: F
Cooling Method: Gas cooling
Protection Class: IP21S
