Servo Voltage Stabilizers - Oil Cooled

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Oil Cooled Servo Voltage Stabilizers

“Stab Servo Power Pvt. Ltd.” is one of India's leading Power Conditioning and Power Saving equipment manufacturers in Bangalore. The company designs, develops, manufactures and markets 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. We are the leading oil cooled servo voltage stabilizer manufacturers in Bangalore, India.

Servo Controlled Voltage Stabilizer - Oil Cooled

Servo Controlled Voltage Stabilizer - Oil Cooled

“Stab Servo Power Pvt. Ltd.” is a well-known oil cooled servo stabilizer manufacturers in Bangalore, India. These are specially developed to regulate voltage supply and to protect devices/equipments/appliances from voltage variation. By using the latest technology and superior quality basic material these types of stabilizers are manufactured at our well equipped manufacturing unit in Bangalore. Our thoroughly tested oil cooled servo voltage stabilizers are well known for accuracy, precision, reliability and etc.

With our enriched domain experience, we are engaged in offering a huge gamut of oil cooled servo stabilizers. We are the topmost manufacturers of oil cooled servo voltage stabilizers in Bangalore. It comes in various ranges and specifications and hence provides optimum performance during high/low voltage cut-off. Available with oil cooled system, these stabilizers are highly durable in nature and withstand severe environmental conditions.

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 upto 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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