PROTECTION RELAY

PROTECTION RELAY

Protection Relays suitable for electric traction vehicles. Designed to withstand extremes of mechanical and thermal stresses, the product has a proven track record for reliability.

 

  • Plug-in design for simple mounting and easy checking.
  • Minimum maintenance.
  • Compact and lightweight design.
  • Rugged construction with proven performance under varying condition.
  • Adjustable tripping current/voltage value as per requirement.
  • High insulation level.
  • High repeatability at the set value.
  • High mechanical and electrical endurance.
PROTECTION RELAY

Applications

The relays are designed for protecting electric locomotive equipments & circuits:

  • Main transformer against overloading.
  • Excitation windings of traction motors and rheostatic braking resistance against over current.
  • Auxiliary equipments against overloading.
  • Silicon Rectifier against overloading.
  • Main power circuit and auxiliary circuit against earth fault.
  • Locomotive's electrical equipment against drop of OHE voltage below minimum value.

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