MMA series IGBT uni-transistor inverter welding ma

ZX7 series IGBT uni-transistor inverter welding machine MAIN TECHNICAL PARAMETERSZX7 Series IGBT Inverter DC Manual WelderZX7-270ZX7-315ZX7-400ZX7-500ZX7-630Input power voltage/Frequency (V/HZ)3 phase 380V 50HZ 60HZRated Current (A)270315400500630Rated Input Capacity (Kva)1016161832Open Circuit Voltage (V)49±557±557±557±567±3ElectordesJ421,J422,J506,J507 ETC.Electorde diameter (MM)1.6-4.01.6-5.81.6-5.81.6-610Current Adjusting Range (A)20-27020-31520-40020-50030-630Input Voltage290-480290-480290-480290-480290-480Output Cable Length (M)≤100≤100≤100≤100≤100Power Factor0.90.90.90.930.9Effiency90%90%90%93%90%Self-Protectiondefault phase,over-voltage,low-voltage,over-heat self protect functions.Overall Dimension540*260*480540*260*480540*260*480540*260*480540*260*480Weight(KG)1515151515Insulation ClassFFFFHProtection GradeIP21IP21IP21IP21IP21DisplayLEDLEDLEDLEDLED