... accurate and stable3,Built-in welding expert system database, automatic intelligent combination of parameter4,Good interface, centralized regulation, ... , adjust faster, easier.Main technology parameters: NoNamePulse MIG-350Pulse MIG-50001Voltage/frequencythree phases 380V±10%/50Hz02Rated input power14.4KVA25KVA03Rated ... transformer insulation gradeH17Output rector insulation gradeB Pulse MIG Welder