Answer / senthil

BUS BAR CHAMBER : WHERE THE BUS BAR CONNECTED IN A VERTICAL
ARRANGEMENT OR HORIZONTAL ARRANGEMENT WITH COVERED SURFACE
IS CALLED BUS BAR CHAMBER.

MCCB CHAMBER : WHERE THE MOTOR CONTROL CIRCUIT BREAKERS
(MCCB) WILL FIXED ACCORDING TO GA OR BY CUSTOMER FEEDBACKS.

MCB CHAMBER : WHERE THE MINIATURE CIRCUIT BREAKER(MCB) WILL
BE FIXED ACCORDING TO THE PURPOSES GIVEN BY THE CUSTOMER
e.g lighiting, motor ON/OFF.

Answer / mahesh

MCCB MOLDED CASE CIRCUIT BREAKER that is connected to load.

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