Master S 400 is designed for high-performance Stick (MMA) welding. 400 A power source including cellulose welding characteristics provides great welding results with pleasurable welding experience.

The powerful 400 or 500 amp power sources provide reliable welding results with efficient ignition. Suitable for use with a wide voltage network, Master S also integrates Voltage Reduction Device (VRD) for increased safety at work.

Technical data
Description Value
Mains connection cable type 4G
Mains connection cable size 4 mm²
Mains fuse 25 A
Output at +40 °C, 60% TIG 400 A
Output at +40 °C, 100% TIG 310 A
Output at +40 °C, 60% MMA 400 A
Output at +40 °C, 100% MMA 310 A
EMC class A
Degree of protection (fully installed) IP23S
Weight without accessories 20.5 kg
Welding connection type DIX
Standards IEC 60974-1, -10
Maximum supply current [I1max] 26 A
Efficiency at rated maximum current [η] 89 %
Power factor at rated maximum current [λ] 0.89
Rated maximum input power [S1max] 18 kVA