Servo Voltage Stabilizers

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Servo Controlled Voltage Stabilizers

“Stab Servo Power Pvt. Ltd.” is one of Bangalore's leading power conditioning and power saving equipment manufacturers. We design, develop, manufactures and supply power conditioning and power saving electrical equipments. “Stab Servo Power Pvt. Ltd.” is an established brand known for excellence in quality. Our products have a large satisfied customer base in private and public sector manufacturing industry & service industry.

Since our inception in Bangalore, we are committed to providing a reliable servo controlled voltage stabilizers to meet the national and international quality standards. Our servo controlled voltage stabilizers are available in a various choice of input and output voltage range suitable for various applications in industries, institutions and residences etc. We are a highly reputed servo controlled voltage stabilizer manufacturers in Bangalore, India. We manufacture servo controlled voltage stabilizer with air-cooled and oil-cooled functions. The offered servo controlled voltage stabilizers are available with us in various specifications.

A voltage stabilizer has been created to maintain a constant voltage level automatically, offering protection to equipment/appliances against voltage surges, under-voltage, over-voltage, whilst smoothing impulsive noise. Our in-depth knowledge and vast industry experience enable us to be a prominent servo controlled voltage stabilizer manufacturers in Bangalore, India. With servo voltage stabilizer you are able to manage your equipments without facing the problem of voltage fluctuations. Offered products are manufactured by our trained and expert professionals using top-notch quality materials which allow the product to have efficiency up to 98%.

Technical Specifications:

Capacity 1KVA - 25 KVA 1Phase
3 KVA - 100 KVA 3 Phase(Air Cooled)
3 KVA - 1500 KVA 3 Phase(Oil Cooled)
Input Voltage Range 170 V - 270 V AC 1Phase
340 V - 460 V AC 3Phase
Other Input Voltage Range 295 V - -465 V AC 3Phase
360 V - 460 V AC 3Phase
Output Voltages 220 V / 230 V AC 1Phase
380 V / 400 V / 415 V AC 3Phase
Output Voltage Regulation +- 1% at No Load - Full Load
System Unbalances 4 Wire System
Operating Frequency 47 Hz - 53Hz
Speed of Correction 70 V / Sec - Phase to Phase
35 V / Sec - Phase to Neutral
Wave Form Distortion Nil
Output Wave Form True Reproduction of input
Insulation Class "B"
Operating Temperature 00 - 450 C Ambient
Type of Cooling Naturally Air Cooled upto 100 KVA 3 Phase
Oil Cooled uoto 1500 KVA 3 Phase
Short Circuit Period & percentage 300 % for 250 m.sec
Mode of Control Automatic / Manual
Over Load Capacity 120% for 10 Min
System Construction As Per IS : 9815
Protections Low Voltage Protection
High Voltage Protection
Short Circuit Protection
Single Phase Preventor
Panel Controls LCD Display Scrolling Type to Measure Output Voltage, Input Voltage, Output Current , Frequency
Indications Input - ON Input - HIGH
Output - ON Input -LOW
Output - CUT -OFF
Optional Features Frequency Trip (High / Low)
MCB / MCCB for Output
Bypass Switch
Surge / Spikes Suppressor
Line Filters


  Quick Response
  High Overload capacity
  Fast Correction
  No Hunting, No Oscillations,
  No Noise Generation


  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


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