What is the meaning of the all white, white and green and all green handles on mcb's?
What is the meaning of the all white, white and green and all green handles on mcb's?
Usually (not always) white lever indicates it's a circuit breaker that has overload protection and green indicates it's an isolator without overload. It's often misleading because it might say '60A' on a circuit breaker with a green lever but this doesn't mean it will trip at 60A or offer any form of overload protection, it just means it's capable of isolating or switching a load up to 60 Amps when the lever is operated manually.
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