500 KVA Three Phase Servo Voltage Stabilizer. Air Cooled

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Vener7 is offering current fluctuation controlling 500 KVA Three Phase Servo Voltage Stabilizer. Air Cooled with complete precision. A minor fluctuation in voltage can cause permanent breakdown or temporary malfunction in the electrical equipment. We offer Three Phase Servo Voltage Stabilizer to control sudden high and low shifts in the input voltage and to provide consistent output voltage with +/- 0.5% accuracy.


Technical Specifications - Model SVS34L3500
Rating 500 kVa, Three Phase Servo Voltage Stabilizer
Output Current 721.70 Amps per phase
Input Voltage Range 340V to 460V, 47 - 53Hz, 4 Wire
Output Voltage 400V +/- 1%
Duty Cycle Continuous 24x7
Waveform Distortion Nil
Response Time Less than 10ms
Suitability Suitable for all power factor loads
Cooling Natural Oil Cooled
Class of Insulation A Class
Breakdown Strength & IR 1500V AC for 2 minutes. Greater than 50 Mega Ohms at 500V DC
Additional Facility Manual Operation
Installation Indoor type
Degree of Protection IP-30
No Load Loss Less than 0.4 %
Efficiency 98-99%
Applicable Standard IS 9815
Type & Suitability
  • Unbalanced Supply and Load. Suitable for 3 phase Unbalanced/ balanced Supply & Unbalanced/Balanced Load.
  • The unit consists of 3 nos. Single phase individually AC servo motor controlled units of 1/3rd of the total capacity connected in Star configuration.
Input / Output Termination On Copper Bus Bar
Transformer Oil New Insulating Transformer Oil ISI 335 marked
CE Conformity EN61558-1:2005 + A1:2009
Winding & Wiring Material Copper EC grade (99.9% Pure)
Optional Features and Protections
  • Overload Cut-Off and Short Circuit Protection.
  • Low / High Voltage (out of input range) Alarm and / or Cut-Off.
  • Single Phase Prevention Alarm and / or Cut-Off.
  • High Temperature Alarm and / or Cut-Off.
  • Reverse Phase Cut-Off.
  • Auto Phase Correction in case of Phase Reversal.
  • Spike and surge protection
  • Ammeter, Temperature Meter, Digital Ammeter, Digital Voltmeter.
  • Stabilizer By Pass System
  • Remote control of stabilizer (with wires)
  • Earth fault protection
  • Delay on Circuits
Due to new innovations & improvements the technical specifications are subject to change.
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