Answer / vinayakamoorthy.k

The Circuit Breakers are will trip(Current Operated Device)when the current will goes over the limit(Current Rating).But the contactors are not going to trip.

Answer / sumit patel

There are two main difference bet'n contactor and circuit braker
1) contactor is used for low voltage while CB is used for high voltage.
2) contactor only make contact between line and load.there is no tripping mechanism. while in CB is current operated device.which has a tripping mechanism.

Answer / prakash rao

Contactor operates for low currents, whereas circuit breakers used for high currents.

Answer / k.prakashchandra

My above answer appears to be wrong.Contactors are for
closing circuit and are to be opened manually.Circuit
breaker has a tripping (opening) mechanism and may have
closing mechanism also.

Answer / k.prakashchandra

You can add that contactors are to be operated off-load only

Answer / k.prakashchandra

Opening and closing are done manually in case of contactors
and for cb it is electrical

Answer / sumit patel

contactor is used for low voltage while circuit braker is used for high voltage.

Answer / vijay

CONTACTOR RICIEVE INPUT COMAND AND ELECTRIC OPERATING
CIRCUIT BREAKER IS OPERATING MANUVALLY

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