Oil Surge Relay (OSR)

Oil Surge Relay (OSR)

Product Details:


Product Description

We are a big name that deals in the manufacturing and supplying of heavy-duty Oil Surge Relay (OSR) that is used as a safety unit for the protection of internal faults within tap changer circuits. This unit functions by triggering the tripping circuit in the case when oil flow exceeds the specific levels. It is fixed with flanged ends that make it easier to install it within oil pipes. Oil Surge Relay (OSR) is also fixed with a glass window to easily check changes in oil colors.  


  • Lightweight Aluminium Casting
  • Oil flow tripping at 1.5m/sec
  • Reed Switch Design.
  • IP67 & IP 55 compliant.
  • Leak proof.


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