With authoritative welding expert database, long-distance software upgrade, diagnosis, control and monitoring function and etc.. Specifications: Model No.NB-315SNB-400SNB-500SCode304S404S504SRated Input Voltage(V)3-Phase, AC, 380V±20%, 50/60HzCurrent Range(A)18-32518-41018-520Voltage Range(V)10-4810-4810-48Operation2T 4T2T 4T2T 4TArc Force0-100-100-10Wire diameter0.8-1.6mm(Carbon Steel)1.0-1.6mm( ...