Royce Welding Machine 400amps

The royce welding machine 400s is a heavy-duty inverter welding machine designed mainly for mma (manual metal arc/stick) welding. it is commonly used in fabrication workshops, construction sites, metal repair, and industrial welding applications. specifications mma-400s / rac-400 welding type mma (manual metal arc / stick welding) technology advanced igbt inverter technology input voltage 220v – 230v ac frequency 50 – 60 hz input capacity 8.7 kva current range 20a – 400a realistic working current about 20a – 200a continuous duty cycle 60% at full load (40°c), up to 100% under normal conditions electrode size 1.6mm – 5.0mm efficiency approximately 85% cooling system fan-cooled