CONTROL & INDICATION. The circuit breaker shall be wired up wired up for both local & remote operation. A local- remote selector switch shall be provided for this purpose. Each breaking cubicle shall be equipped with following :- i. One (1) Test- neutral - service selector switch stay put type with test/ service position pistol grip handle & key interlock for breaker marked 'E'. ii. Two (2) heavy duty, oil tight push buttons for TRIP & CLOSE. iii. Three (7) LED indicating lights on front of compartment :- GREEN : breaker open & spring charged RED : Breaker close AMBER : Trip / circuit healthy condition WHITE : Control supply failure Phase indication : One Red, One Blue & One Yellow O & 1 NC should be provided for status monitoring of the remote / local position. iv. Lamps shall be low watt, LED type lamp & lens shall be replaceable from the front. v. The general scheme of connections for control, interlock & protection shall got approved before fabrication of panel.
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Sources: Zonal Rate Contract for Petty Electrical Works, Zonal Rate Contract for Petty Electrical Works, Zonal Rate Contract for Petty Electrical Works
CONTROL & INDICATION. The circuit breaker shall be wired up wired up for both local & remote operation. A local- remote selector switch shall be provided for this purpose. Each breaking cubicle shall be equipped with following :-
i. One
One (1) Test- neutral - service selector switch stay put type with test/ service position pistol grip handle & key interlock for breaker marked 'E'.
ii. Two (2) heavy duty, oil tight push buttons for TRIP & CLOSE.
iii. Three (7) LED indicating lights on front of compartment :- GREEN : breaker open & spring charged RED : Breaker close AMBER : Trip / circuit healthy condition WHITE : Control supply failure Phase indication : One Red, One Blue & One Yellow O & 1 NC should be provided for status monitoring of the remote / local position.
iv. Lamps shall be low watt, LED type lamp & lens shall be replaceable from the front.
v. The general scheme of connections for control, interlock & protection shall got approved before fabrication of panel.
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