Spot welder Stable time delay control circuit Seven practical repair functions Single-side thin board spot welding Ripple crack fusing restoration Electrode heating and pressing Screw fusing Meson(bright washer)fusing restoration Straight fusing restoration Carbon rod heating, quenching and repair Power requirement 380V 2PH 50Hz Maximum input power 16KW Output current 800-4500A Rated input power 11KW Duty cycle 3% Output voltage 4-8V.AC Size 55×52×99cm weight 75KG