ARC400(J07) inverter arc welding machinewith 2pcs KDP-70 males connectors.TYPEARC400(J07) Input voltage(V) 3-phaseAC380V±15%,50/60HzInput voltage range (V)300-420Recommended fuse capacity(A)40Rated output(V)400/36Arc welding current adjustment range(A)20-410Arc force adjustment range20-200No-load voltage(V)65Arc starting current adjustment range50-320Arc starting time70mS,150 mS,200 mS,300 mS OptionalRated duty cycle60Protection classIP21SSize (mm)540*275*510Weight (Kg)31Implementation standardGB15579. 1-2004 .