Welding Thyristor with Forced Air Cooled Cooling System operates on an input supply of 415 V in 3 phase mode. The Welding Thyristor can function in a current range of 400Amps and 600Amps. The Welding Thyristor is provided with forced air cooled cooling system. Welding Thyristor with Forced Air Cooled Cooling System is offered with thermostatic overload protection that ensures safety of usage.