zx7-315 inverter dc arc welder provides a DC welding source for manual, automatic, and semiautomatic arc welding. It has the advantage of less no-load loss,high efficiency and save energy. It has steady arc,tranquil molten pool,less spatter,excellent welding performance. When network voltage changes, it can compensate automatically. The welding current can be adjusted Remotely. It is an ideal are welder to replace a motor driven arc welding set. Parameters: Spec.ZX5-315Power voltage(V)3~AC380Frequency(Hz)50Rated input capacity(kVA)18.9Open circuit voltage(V)62Rated Output curent(A)315Duty cycle(%)60Current adjust range(A)60~315Weight(Kg)135