Features and Applications: The machine can be used to weld material of automobile and household furniture; The machine has favorable dynamic performance, stable arc, and fine shape of seam; The machine can compensate the mains voltage fuctuation automatically, and keep the current stable for cold state or thermal state substance of the whole machine; Power-saving. Accessories: Wire feeder CO2 torch Earth clamp Welding cable Control cable Air pipe Parameters: Spec. NBC-250B NBC-300B NBC-200B PowerVoltage (V) 3-AC380 3-AC380 3-AC380 InputCapacity (kVA) 7.2 11 12.5 Weldingcurrent (A) 30-200 35-250 40-300 OpenCircuitVoltage (V) 14-29 15 36 16-40 Dutycycle (%) 35 35 35 Usableroddia. (mm) 0.8-1.2 0.8-1.2 0.8-1.2 HeatingPowerSupply (VAC) 36 36 36 Dimensions (mm) 460x280x490 460x280x490 460x280x490 Weight (kg) 47 50 55