Single Phase Servo Stabilizer works on an input voltage of 170V – 270V and an output voltage of 230V ± 1% having an auto manual mode. The Servo Stabilizer has an increase or decrease facility with an LED indicator for input on and output on. The Servo Stabiliser is equipped with a cut-off facility during high or low voltage cut off. Single Phase Servo Stabilizer has an output voltage adjust facility with an input or output read voltmeter.