Portable Welding Machine MMA-250

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