Power Source Dimensions : L390mmxW150mmxH300mm Cooling : Fan Cooled Welder Type : Inverter Power Source European Standards : EN 60974-1 / IEC 60974-1 Number of Phases : 1 Nominal Supply Voltage : 220V +/- 15% Nominal Supply Frequency : 50/60Hz Welding Current Range : 20 - 200A Effective Input Current : 29.5A Maximum Input Current : 41.7A Single Phase Generator Requirement : 9.5KVA Welding Output, 40°C, 10 min. 200A @ 60%, 28V 126A @ 100%, 25V Open circuit voltage : 70.0-80.0V DC Protection Class : IP23S