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Servo Stabilizer (OIL – COOLED)

Servo stabilizers are used to protect any critical equipment, which are effected by the fluctuation in the input supply and those equipments do not operate when they are not used at the specified voltage. Our Servo Stabilizers by providing constant output with tolerance of ±1% makes equipments operate efficiently and hence improve their life. Also protect from being damaged due to high and low voltage.


  • Quick Response
  • High Overload capacity
  • Fast Correction
  • No Hunting, No Oscillations, No Noise Generation
Servo Stabilizer Oil Cooled

Technical Specifications

Input Voltage Range

300 V – 460 V, 340-480V, 360-460, 340-460 AC 50 Hz 3 PH, Other ranges as per the client requirement.

Output Voltage

380 V / 400 V/ 415 V ± 1% AC 3Ph 50 Hz



Wave From Distortion True reproduction of input wave form
Connections ≤ 35 V/Sec
Output Voltage Adjustable 380 to 415V AC 3ph
Output Voltage Regulation ± 1%
Over Load Capacity 120%
Correction Rate ≤ 20V /Sec
Waveform Distortion True reproduction of Input Wave form
Insulation Class ‘ B ‘
Short CKT Period & percentage 300 % for 250 m.sec.
Normal operating Temperature 300 % for 250 m.sec.
Climatic Conditions 90 % RH. Max. Non-Condensing at 35º C
System Construction AS PER IS : 9815 of 1994

Low Voltage Protection, High Voltage Protection and Single Phasing Prevention through contactor at O/p. Over load Protection, Short Circuit Protection and power ON/OFF of SCVS though MCB / MCCB at Input. Change over switch at input to bypass the equipment in case of emergency.


  • Better efficiency of ≤ 98% achieved by use of prime grade Lamination.
  • Electrolytic copper wires of 99.99% purity.
  • Special designed transformers to minimize losses.
  • Also, Special sensing circuit to ensure constant Output Voltage
  • Even with distorted input from D.G. set. Confirms to stringent Defence specifications. Tropicalised design

Most Suitable for

  • CNC Machines
  • Scientific Equipments
  • Textile Machinery
  • Bio Medical Equipments
  • Large Computer Installations
  • Telecommunication Equipments
  • Printing Machinery
  • Cell Phone Networks
  • Garment Equipments... and many others