Oil Cooled Servo Voltage Stabilizers

Oil Cooled Servo Voltage Stabilizers

Oil Cooled Servo Voltage Stabilizer Manufacturers


Servomax Limited’s three-phase oil-cooled servo stabilizers are efficient, distinctive, and worthy to save several types of electric and electronic appliances. With world-class raw materials, state-of-the-art technologies, and high-end competencies, we manufacture unique products to ensure perfect voltage stabilization in minimum down-time.

Our professional expertise responsibly involves dealing with several insightful impressions including the oil-cooling tubes, servo-motor quality, power-saving techniques, automatic functions, sturdy construction, and so on. They not only enable the quality performance of electric equipment but also encourage appropriate power consumption and utilization. As the #1 oil-cooled servo stabilizer manufacturers in Hyderabad, we assure reliable product delivery to accommodate power-saving.

To maintain a trusted quality service, we adopt global standardized policies to make up the best three-phase oil-cooled servo stabilizers. Our products that are custom-fit with different capacities ranging up to 5000kVA accommodate amazing applications in domestic, industrial, commercial, and government sectors. They are used in –

  • Industrial Applications
  • Metal Processing Equipment
  • Automobile Equipment
  • IT Applications
  • Elevators
  • Electrical Equipment
  • CNC & VMC Machines
  • Medical Equipment
  • Motor Lab Equipment


  • CNC & VMC Machines
  • Industrial applications
  • IT applications
  • Automobile equipment
  • Elevators
  • Electrical Equipment
  • Metal Processing Equipment
  • Medical Equipment
  • Motor Lab Equipment

Benefits of Three-Phase Oil-Cooled Servo-Controlled Voltage Stabilizers
Servomax Limited’s three-phase oil-cooled servo voltage stabilizers are beneficial because they are–

  • Highly durable
  • Affordable
  • Able to withstand high capacities
  • Capable of higher voltage stabilization

These units are specialized to offer the following protections.

  • Single Phasing Prevention
  • Output Electronic Overload Protection
  • Phase Reversal Protection
  • Input Short Circuit Protection with MCB
  • Input Overload Protection with MCB
  • Output Low Voltage Protection
  • Output High Voltage Protection
  • Audio Alarm for Protections
  • Surge suppressor Protections
  • Bypass/Change over switch Protections

Servomax Limited introduces certain elegant indications like –

  • Mains Input on 3 LED Indications
  • 3-Phase Output on Indication
  • Phase Reversal Indication
  • Overload Indication

Indications in LCD Display
An LCD display is provided to the three-phase oil-cooled servo stabilizer units to indicate –

  • Input High and Input Low
  • Output on Indication
  • Output High Cut-off and Output Low Cut-off

Programmable parameters

  • Output Voltage Set (210-245V)
  • Output Low Voltage Cut-off
  • Output High Voltage Cut-off
  • Output High Voltage Cut-off
  • Input Low on LCD Display
  • Input High on LCD Display
  • Sensitivity/Regulation
  • Overload Cut-off
  • CT Full Scale

Programmable Control Timmings

  • Overload Cut-off Time
  • Auto Restart Time
  • On and Off Delay Time

Programmable Controls

  • Display Scrolling – Auto / Manual
  • Start / Stop Buttons
  • Menu / Start / Stop / Reset / Log Button
  • Data Log: Last 100 fault events log with Date and Time stamp and works on FIFO basis.
  • Very important for CSD
  • Analysis Problems
Input Voltage Range 300-460V, 340-480V, 360-460V
Output Voltage 415V
Type of Cooling OIL COOLED
Input Voltage Range 300-460V / 340-480V / 360-460V OC 3Ph
Output Voltage (3-Phase) 415V OC
System Star
Operating Frequency 47 to 53 Hz
Output Voltage Adjustable 380V to 415V OC in 3-Phase
Output Voltage Regulation +1% (No Load)
Output Voltage Regulation +1% (Full Load)
Overload Capacity 120%
Correction Rate 60 / 30 / 25V per sec – 3 phase
Waveform Distortion Nil
Output Waveform True Reproduction of Input
Insulation Class F
Short Circuit Period and Percentage 300% for 250 milli sec
Normal Operation Temperature 0°C to 45°C
Climate Conditions 90% Rh Max. Non-Condensing at 35°C
Type of Cooling Oil-Cooled up to 5000kVA
Mode of System Fully Automatic
System Construction As per IS: 9815 – 1994

Our Servomax Limited’s three-phase oil-cooled servo-controlled stabilizers have specific features like –

  • Instant response time 10 milli sec (half a cycle)
  • Greater efficiency above 99%
  • Best regulation as high as +/- 0.5%
  • “Micro-controller” enabled controlled system
  • Wider input range of operations and greater speed of correction

Metering on LCD Display

  • 3 ph Input voltage ph to ph and ph to Neutral
  • 3 ph Output voltage ph to ph and ph to Neutral
  • System Frequency
  • Output Current on each ph


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