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Static Under Voltage Relay

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Banking on our vast industry experience, we have been able to manufacture, supply, export and trade Static Under Voltage Relay . Available in five models, these relays are provided with auto reset, fixed or variable voltage settings, definite time delay fixed or variable settings to suit the demands of clients. Further, these relays have solid state circuitry, negative phase sequence voltage detection and have low power consumption.

Features:

  • Compact size
  • Precise reading
  • Require minimum maintenance

Details:
  • Solid state circuitry
  • Negative Phase sequence voltage detection
  • Definite fixed or variable time delay
  • Low power consumption
  • Auto reset
  • Fail safe system
  • LED indication for healthy and fault indication
  • DIN rail mounting

Specifications:
ParametersVd-02Vd-03
System voltage415v ac±20%, 50 hz415v ac±20%, 50 hz
Sensing aux. Voltage(un)110v/230v/415v ac± 20%,50 hz110v/230v/415v ac± 20%,50 hz
Contacts & rating2 c/o contacts,6a/230vac/28vdc2 c/o contacts,6a/230vac/28vdc
Trip voltage settings:--
Under voltage80%-95% of un, in steps of 3%80%-95% of un, in steps of 3%
Over voltage105% - 120% of un, in steps of 3%105% - 120% of un, in steps of 3%
Phase to phase unbalance50v fixed50v fixed

Applications:
  • Protection of synchronous and induction motors of any HP rating
  • Protection of generators, AMF switch Boards
  • Transformer feeder panel
  • Distribution boards
  • Voltage regulators
  • Protection f or UPS and single phase applications

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