There are different kinds of devices. Main circuit disconnect is a devices has 3000-A fuses that provide fault protection for the 4000-a, 480/277-V, 3-phase bus that feeds seven circuits.
What is a main disconnect circuit breaker?
This is regarded as a big circuit breaker known as main breaker.
Its work or role in the electrical system is to offer the ways of disconnecting power to all the circuit breaker panel and therefore it shutting off the power to the whole house.
See options below
A. Feeder compartments
B. Incoming line department
C. Metering component
D. Main circuit disconnect
learn more about Metering component from
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