MMA Standard Dc Transformer voltage / 3x400 Power Range/ 45-360 A Duty cycle / 35%: 360 A / 60%: 280 A / 100%: 210 A Open circuit voltage / 75 V Frequency / 50 Hz - 60 Hz Mains fuses / 16 A Max. connected power / 9.0 KvA Recommended generator rating / 15.3 KvA Cos / 0.9 Protection classification / IP 21 s Insulation class / H Dinse / 50 mm2 Weight / 103Kg Dimensions (mm) (WxLxH) / 440X850X760 mm Electrodes diam / 1.5-6.0