D.C. Arc Welder (Inverter) / OK-IV200D   Features: 1. Built-in Anti-Shock Device (Voltage Reducing Device). 2. Easy to start the Arc. High Duty Cycle. 3. Small Dimension, Light Weight (1/3 of the traditional type), and suitable for outdoor usage. 4. Can be operated on both One & Three phases. 5. I.G.B.T: High Frequency component can Save the Electricity by 50%, Stable-Current & Low-Noise when operated.    Model OK-IV300D   Input Power 1 phase, 110/220V   50/60Hz   Output Current  10~200A  Duty Cycle (10 minutes)  35%  No-Load Voltage  72VDC  Over-Load Voltage  28VDC  Weight (kg)  12  Dimensions (mm)  300 x 175 x 338