Inverter MMA Welder FEATURES: ♦Adopt advanced MOSFET technology,energy-saving. ♦Anti-stick,thermostatic protection ,automatic voltage compesation capablility,less splash. ♦High efficency,light,compact,easy to operate. "♦Suit for various welding rods such as acidity,alkalescence and heat-resisting steel,mainly use in welding carbon steel,stainless steel,alloy steel and cast iron . "♦Accessories:electrode holder,earth clamp,brush/hammer,prtective mask,carton box. ITEMMMA-250MMA-315MMA-400Input Voltage3-380V3-380V3-380VFrequency50/60Hz50/60Hz50/60HzRated Input Capacity9.5KVA13KVA18.2KVAPower Factorcosφ0.93cosφ0.93cosφ0.93Max No-load Voltage60V60V60VCurrent Range20-250A20-315A20-400ARated Duty Cycle60%60%60%Usable Electrode2.5-4.0mm2.5-4.0mm2.5-5.0mmInsulation ClassHHHProtection DegreeIP21SIP21SIP21SDimension CM55.5×23.5×3959.5×39.5×50.562.5×39.5×53.5Weight15KG24KG28KG