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What is the basic difference among Circuit
breaker,Contractor and Isolator?
Are they different names of same device/equipment?
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Answer Posted / ankurjha
Circuit Breaker:
Device to control current drawn by the load. Has the
facility of cutting the supply in case of heavy inrush of
current/ short circuit etc..
Contactors:
device to make/ break contacts as & when required. Have
control coil which is energized/de-energized as per the
control requirement.
Isolators:
Usually meant to isolate the circuit manually, so that the
circuit can be worked upon. Have fuses for potection of
load.
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