The AC1200 welding power source is designed to seamlessly work with Lincoln Electric's NA-4 automatic wire feeder. This reliable power source delivers consistent performance, making it a dependable choice for your welding needs. It features Scott® connection taps for operating two AC welding heads simultaneously. The built-in rheostat allows you to adjust output settings while welding or during idle periods. With three output studs that offer overlapping ranges, this power source ensures versatility. It also boasts ±10% input line voltage compensation, maintaining weld consistency with minimal effort. Safety features include thermostat protection from current overload and excessive temperatures. The terminal strip allows for remote control and easy wire connections, while the removable side panels provide convenient access to internal parts. The windings and rectifiers are protected against moisture and corrosive environments, ensuring longevity. Plus, you can have peace of mind with a generous seven-year warranty on the power rectifier.