ZENER Servo Control Voltage Stabilizers

Oil-cooled or air-cooled Up to 1000 kVA


The vZen Servo Controlled Voltage Stabilizer from ZENER offers complete solution to tackle wide range of input voltage. It employs digital monitoring and controlling with microcontroller. vZen Servo Stabilser undergo regular quality checks including sub-assembly baking, accelerated life test, etc. It is most suited for balanced / unbalanced loads requiring high voltage regulation.


  • Wide input voltage range
  • Fast correction rate
  • Micro controlled based circuitry
  • Total protections and controls
  • Isolated sensing circuit
  • Independent of PF and frequency variations
  • Rugged AC synchronous motors
  • Single phase preventer
  • High reliability with single PCB for three phase sensing and correction