This Machine is used for clip welding. Electronic control including micro processor, Heat control, No shifting the Phase for firing of thyristor enables smooth, contineous adjust- ment of welding current from 10 to 100%. Simple foot operated switch connected to low voltage circuit.Thyristor Air cooled. Welding Electrodes are water cooled at 18 degree Cooled at 3 KSC. Capacity 30 KVA 50% duty cycle.Input supply 415 Volt three phase.