Type Welding Set Technical Specification Model Series Welding Rod size Weld Current (A) Domestic Supply Diesel Engine SWG No. (In mm) Single Phase BHP Cooling CYL PWM 220 M3 10.0 to 8.0 3.1 to 4.0 220 2.5 Kva , 220 V 12.0 Water One PAM 220 M3 10.0 to 8.0 3.1 to 4.0 220 2.5 Kva , 220 V 11.0 Air One PWM 250 M3 10.0 to 8.0 3.1 to 4.0 250 2.5 Kva , 220 V 14.0