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Electrical Earth Leakage Relay

Electrical Earth Leakage Relay

Product Details:

X

Price And Quantity

  • 1 Unit
  • 2000 INR

Trade Information

  • Free samples available with shipping and taxes paid by the buyer
  • Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia
  • All India

Product Description

Principle of operation

This relay operates on the core balance principle wherein the currents in the three phase of the system are summed by a core balance C.T. which for normal conditions equates to zero. In case of a leakage current to earth this balance is disturbed causing the electronic circuit to operate a relay within the unit. In this event the relay that is generally connected to circuit breaker operates thus tripping the main circuit. The electro mechanical relay operates on fault. The Earth Leakage Relay is provided with a TEST push button for checking its operation and a RESET button to reset the relay on operation. This helps in checking the proper functioning of the relay. It also has an inbuilt CBCT open/breakage protection wherein the relay will trip on CBCT connection being open.

Under healthy conditions OK LED will glow. In case of CBCT secondary is open  CBCT OPEN  LED will glow and after set time delay the relay will trip and  CBCT OPEN FAULT TRIP LED will glow. In case of Fault/Leakage the  FAULT LED will glow and after set time delay the relay will Trip and  FAULT TRIP  LED will glow.

Mounting

  • The relay can be supplied in DIN cum base mounting (Projection type) or 96 sqmm (door mounting).

Specifications

  • Leakage Current Setting: From 50mA upwards as desired.
  • Core balance C.T. : Toroidal core, bar primary
  • Auxiliary supply : 110/220/415/550 V Ac, 50 Hz, 1 Phase or as per requirement
  • Built-in relay contact : 5 amps (resistive) 415 V AC or 220 V DC
  • Number of contacts : One or Two sets of N/O and One N/C  .



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