Tank/ Cylindrical Type Oil Filled AC Test Transformer is offered with zero start interlock facility to ensure that voltage control is at zero before HV cab be energized. The Transformer is provided with main power circuit breaker and laptop based digital controller unit. The AC Test Transformer is featured with continuously adjustable output voltage from zero to rated voltage. Tank/ Cylindrical Type Oil Filled AC Test Transformer finds application in rotating machines, switchgear, transformers, capacitors and HV components.