SPECIFICATIONS : SERVO VOLTAGE STABILIZER
 






Description Oil Cooled 
Model POM303NO
Capacity 50 KVA TO 1000KVA
Application Type Unbalanced load & input
Nominal Input Range 295 V to 465 V
Input Frequency 50 Hz + 3 Hz
Nominal Output Voltage 380 V / 400 V / 415 V
Output Voltage Regulation + 1%
Efficiency > 98 % at full load
Speed of Voltage Correction > 70 V/ Sec Phase to Phase 
Effect of Load Power Factor Nil
Duty Cycle Continues
Servo Motor Drive AC Synchronous
Indications Input on, Output ok , High voltage Cut-off Low Voltage Cut off
Metering  Analog Input Voltmeter Analog Output Voltmeter Analog Output Ammeter Optional : Digital Meter.
Protections Input Short Circuit MCB/MCCB
Proctections Output Electronic Over Voltage trip Electronic under Voltage trip Single Phase Prevention Overload & Short Circuit.
Manual Bypass Facility Through Changeover switch 
Operating Temp. 0-50 C.
Humidity 0-95 % Rh non condensing
Enclosure CRCA Mild Steel
Standard for stabiliser As per IS : 9815
Standard for oil As per IS : 335
Air Cooled Single Phase
POM303NO POM301
50 KVA TO 1000KVA 0.5 KVA to 50 KVA
Unbalanced load & input Unbalanced load & input
295 V to 465 V 160 V to 260 V
50 Hz + 3 Hz 50 Hz + 3 Hz
380 V / 400 V / 415 V 220 V / 230 V
+ 1% + 1%
> 98 % at full load > 98 % at full load
> 70 V/ Sec Phase to Phase  > 45 V/Sec
Nil Nil
Continues Continues
AC Synchronous AC Synchronous
Input on, Output ok , High voltage Cut-off Low Voltage Cut off Input on, Output ok , High voltage Cut-off Low Voltage Cut off
Analog Input Voltmeter Analog Output Voltmeter Analog Output Ammeter Optional : Digital Meter. Analog input Voltmeter Input & Output with SeclectorSwitch Optional Digital Meter.
Short Circuit MCB/MCCB Short Circuit
Electronic Over Voltage trip Electronic under Voltage trip Single Phase Prevention Overload & Short Circuit. Electronic Over Voltage trip Electronic under Voltage trip
Through Changeover switch  Through Changeover switch 
0-50 C. 0-50 C.
0-95 % Rh non condensing 0-95 % Rh non condensing
CRCA Mild Steel CRCA Mild Steel
As per IS : 9815 As per IS : 9815


Key Features:

  1. Availability of cubicle or panel type construction to suit your space requirements in air cooled model.
  2. Compatible to Generator supply.
  3. Faster Speed of Correction.
  4. High Torque AC/DC Motors.
  5. No Waveform Distortion.
  6. Rugged and Reliable.
  7. Suitable for indoor/Outdoor tropical application.
  8. Unaffected by load power factors.
  9. Wide Input Variation Capability.