220 V to 240 V AC in 1Ph 380 V to 415 V AC in 3Ph Volt (V)
Servo Voltage Stabilizer
50 Hertz (HZ)
240 Volt (V)
AC Volt (v)
Servo Voltage Stabilizer
As electronic devices and equipments work within a specific voltage level, they can be easily damaged when voltage fluctuation occurs. To avoid this damage, a voltage stabilizer is required. This Servo Controlled Stabilizer is a reliable product widely used for stable power supply. This Three and Single phase stabilizer is reckoned in the market for sturdiness, reliability & roughness.
Input Voltage Range
Ranges as per customer requirement AC 50 Hz 3 PH
47Hz to 53 Hz
220V / 230V / 240 VAC 1PH 380 V / 400 V/ 415 V AC 3Ph
Balanced/ Unbalanced 2/4 Wire : R Y B N
Output Voltage Adjustable
220 V to 240 V AC in 1Ph 380 V to 415 V AC in 3Ph
Output Voltage Regulation
Over Load Capacity
15 V / 20 V / 35 V / Sec-1Ph 25 V / 35 V / 60 V / Sec-3Ph
Waveform Distortion Output Waveform
True Reproduction of Input
Short CKT Period & percentage
300 % for 250 m.sec.
0oC to 55oC
90 % RH.Max.Non-Condensing at 35o C
Air / Oil
Mode of System
Fully Automatic / Manual
AS PER IS : 9815 of 1994
0.5 KVA to 60 KVA I PH
1.5 KVA to 2000 KVA 3 PH
Low voltage protection
High Voltage protection
Overload Protected with MCB / MCCB or Electronic Sensing.
Single Phasing Preventer
Volt Meter with Selector Switch to read Input/output Voltages, phase to phase and phase to neutral.
Ammeter With Selector Switch (From 15 KVA 3Ph onwards).
Input under/over voltage Trip
Output under /over Voltage alarm
Digital voltmeter /Ammeter
Frequency meter ( Digital /Analog)
Frequency Trip high /Low Adjustable (With setting thumb Wheel switch)
MCB/MCCB FOR OUTPUT
Dimmer Protection Arrangement
Phase Reversal Protection
Better efficiency of 98% achieved by use of prime grade Lamination.
Electrolytic copper wires of 99.99% purity.
Specially designed transformers to minimize losses.
ALSO, Special sensing circuit to ensure constant Output Voltage even with distorted input from D.G. set. Tropicalised design
Quickest response time 10 ms. (half a cycle)
High Overload capacity
Higher overload capabilities for high starting and regenerative currents repeated frequency as in CNC Machines.
Fast Correction No Hunting, No Oscillations,
Fastest rate of correction up to 60 V/sec.
No Noise Generation
Machine Wound Variable Auto Transformer, with special Carbon Brush to minimize carbon deposit and for smooth commutation.
Special Features For Three Phase Servo Voltage Stabilizer
Process Control Devices
Telecom Base station
CNC Machine Etc.
Ideal for unbalance load & voltage
LED Indication : For each phase at our of input acceptance voltage
Set Voltage : Facility for each phase in the range of 20volts
Overload & Short CKT Protection : Provided with the help of 3 pole MCB or Contactor in case of Electronic Sensing
Over / Under Voltage Trip Provided at output side
Time Delay : 15 to 30 seconds for output supply to ON
Phase to Phase Voltmeter with selector switch
Reset : Auto
Auto / Manual : With increase / decrease facility in manual mode in each phase
Single phasing prevention : Provided with help of MCB or Contactor.
Indication : Input ON, Output ON & on each phase Input out of acceptance voltage range
AC Synchronous motor operated variac
25 , Per Week
Main Domestic Market
Andhra Pradesh, Arunachal Pradesh, Andaman and Nicobar Islands, Assam, Nagaland, Meghalaya, Odisha, Manipur, Mizoram, Tripura, Sikkim, East India, Bihar, Jharkhand, West Bengal