Welding machine ZX7-630 Parameter:Input power:Three phase 380V±15%/50/60HZ Rated input power:31.6KVA Rated input current:48A Open circuit voltage:80V Current range:20-630A Rated welding current:630A Rated welding voltage:44V Rated Duty cycle(%):60% Environ mental rating:IP21S Rating of insulation:F Weight(kg): 43KG Dimensions (L*W*H) mm:640*290*530