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400a Low Voltage 3 pole Moulded Case Circuit Breaker

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Cast case circuit breakers, as well as MCCBs, are electrical protection devices utilized to protect the electrical signal from excessive current, which could cause overloads or limited circuits. Molded case circuit breakers can be utilized for an array of voltages and frequencies along with adjustable trip settings. The MCCB uses any temperature sensitive device (the thermal element) which includes a current sensitive electromagnetic machine (the magnetic element) to provide the trip mechanism regarding protection and isolation. Besides tripping mechanisms, MCCBs can even be used as manual disconnection switches in the event that of emergency or protection operations.

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