KR-350 Technical specifications KR-350 Connection voltage:3Ph-50/60Hz 380V +/- 10% Input current：48.8ADuty cycle :60% @ 350ARated output voltage：31.5VOpen circuit voltage：58VEfficiency：0.7Power factor：0.5Rated input power capacity：31.5KWWeight of wire pad：1/2/5/15KGDiameter of welding wire ：1.0/1.2MMWelding range：60-350AOperating temperature range：-20-40 ℃External dimensions L x W x H：72*38*75CMPacking dimensions L x W x H ：92*58*95CMWelder weight (no accessories) ：140KBPacking weight(with accessories) ：170KGDegree of protection：IP23 Features:1. Optional for various welding wire diameter, flux/solid core change and arc end option function;2. With various safety protect function such as secondary circuit short protection, overheat ...