... . ZX5-400, ZX5-500, ZX5-630 Silicon controlled rectifier Arc welding machineCharacteristics & Applications: 1,.Best welding machine ... welding current, and remote control arc current. Easy arcing.3. Good welding characteristics, stable arc, small splash, no ... seam. ModelXZ5-400XZ5-500XZ5-630Primary voltage (V) / Phase, frequency3 Phase 380V, 50HZRated full-load voltage(V)64V66V74VRated welding current ...