Servo Control Voltage Stabilizer is energy saving and is capable of providing efficient performance. The Stabilizer is designed for unbalanced load or balanced load as per requirements. The Stabilizer has a by-pass switch that enables to by-pass the servo stabilizer in case of the failure of the servo stabilizer and the equipment connected through the stabilizer will get the supply form mains directly once the stabilizer is by-passed and has volt selector switch for I/P or O/P selection for indication on digital display and has stabilizer on push button switch for easy start of stabilizer output. The Stabilizer comes with vertical type dimmers for smooth operation and faster correction and these dimmers are of low maintenance due to its vertical design as carbon and dust deposition on dimmer surface is very less compared to horizontal dimmers. The Stabilizer has over voltage protection, phase reversal preventer, under voltage protection, short circuit protection and single phasing preventer. The Stabilizer has trip indication for individual phases for both under voltage and over voltage condition and mains incoming indicator neon lamp for all phase. The Stabilizer has capacity from 5 KVA to 100 KVA, output voltage regulation of ± 1%, overload capacity of 120%, true reproduction of input and natural air-cooled cooling up to 125 KVA. The Stabilizer has both auto and manual modes of system. The Servo Control Voltage Stabilizer has plug in type solid state control card PCB for high reliability and easy maintenance, spacious pipe structure design duly powder coated for easy maintenance with wheels for smooth movement and has VIF indicator that gives the information of voltage, current and frequency of the all phase for both input and output.