Single Phase Thyristor Regulator has high panel installation density and is available in ranges from 10a rated current to 100a rated current. The Regulator is offered in dimension ranging from 172 X 48 X 143 mm to 200 X 116 X 157 mm. The Regulator has compact and standalone type construction and mounting space saving type in nature. The Regulator has the feature of easy wiring and phase angle firing/ zero-cross firing can be selected according to applications, power source environment, etc. The Single Phase Thyristor Regulator has soft start, soft up/ down and soft start at power failure recovery feature for precise control.