Maximum active power - 3.9 kW Maximum power consumption - 6.6 kVA Voltage regulation range in MIG mode - 13-22 V MIG welding wire nominal diameter - 0.6-1.0 mm Max.MIG filler wire diameter - 1.0mm Welding wire type - copper-plated / flux-cored Wire feed speed - 1.5-9 m / min Diameter of wire spools to be installed up to - 200 mm Current regulation range in MMA mode - 20-140 A Welding electrode diameter - 1.6-4 mm Modes of operation MIG - 2T / 4T / Spot time Machine duty cycle at maximum MIG current - 60% (25�ºC) / 20% (40�ºC) Duty cycle of the apparatus at maximum current MMA - 100% (25�ºC) / 60% (40�ºC) Efficiency - 88% Hot start - yes Anti stick - yes Arc force - yes Open circuit voltage - 65 V Number of power transistors - 4