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-160MMA-180MMA-200Input Voltage1PH 230V1PH 230V1PH 230V Frequency50/60Hz50/60Hz50/60HzRated Input Capacity5.3KVA6.2KVA7.1KVA Power Factorcosφ0.93cosφ0.93cosφ0.93 Max No-load Voltage60V60V60V Current Range20-160A20-180A20-200A Rated Duty Cycle60%60%60% Usable Electrode2.5-4.0mm2.5-4.0mm2.5-4.0mm Insulation ClassHHHProtection DegreeIP21SIP21SIP21S Dimension44×26.5×27.5CM44×26.5×27.5CM44×26.5×27.5CM Weight7.2KG7.5KG7.8KG