Key Features Include:> 230v operation (35amp fuse)> 30 - 340amp Output> Digital Readout of Volts & Amps> 16 Power Settings> Duty Cycle = 330amps @ 20% (180amps @100%)> Copper Transformer and Choke> 4 Roll all Geared Metal Cast Feed System> Forced Air Cooling with Thermal Overload Indicator> Heavy Duty Wheels (front and rear)> Cylinder tray for full size cylinder> Spot Weld Timer> Soft Arc Technology> Torch Latching Facility> Burnback Control> Gas Purge