WEINER tech MMA-250 portable welding machine, up to 140A, Class F insulation, gas
cooling, IP21S protection.
Description
Model: MMA-250
Brand: WEINER tech
Product Description:
The WEINER tech MMA-250 portable welding machine is designed for both
professionals and hobbyists, offering high performance and reliability. It provides an
adjustable current range from 20A up to 140A, with an open-circuit voltage of 67V.
Engineered for efficiency at different duty cycles (60% and 100%), it features a 0.73
power factor and optimized power consumption. The unit is equipped with Class F
insulation, gas cooling, and IP21S protection for enhanced durability and safety.
Technical Specifications:
Standard: IEC 60974-1
Current/Voltage Range: 20A/20.8V – 140A/25.6V
Open Circuit Voltage: 67V
Duty Cycle @60%: 140A / 25.6V
Duty Cycle @100%: 108.4A / 24.3V
Input Voltage: 220–240V
Frequency: 50/60Hz
Power Factor: 0.73
Max Current (Imax): 26.3A
Effective Current (Ieff): 20.3A
Apparent Power (S1): 5.8 KVA @60% / 4.2 KVA @100%
Insulation Class: F
Cooling Method: Gas cooling
Protection Class: IP21S