ARC 234D 1+2 Phase Inverter IGBT Welding Machine with Input Voltage 220V 415V ONE Years product warranty with stable & reliable performance Designed for MMA electrodes up to 3.15mm size MSGP, LH, Stainless steel Full Load current delivered with 60% duty cycle Superior IGBT Protection and Overheat Protection Easy to Carry, Suitable for Indoor and Outdoor Operations Compact, Portable Highly Effective, Low Consumption, Energy Savings, with strong compensation capability