FSC1 Miniature Circuit Breaker(MCB, RCCB)
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It is used for protecting against overload and short circuit in illuminating and power distribution system, and also can be used for switching the infrequent operation of circuit.
Overload protection: When the load current is more than rated current, the bend of dual metal taminate sheet is caused that will strike tripping mechanism and break electrical equipment for the thermal-expansion coefficient of the twoo kinds of metals of the thermal tripping dual metal laminate sheet is different.
Short circuit protection: when takes place short circuit, the magnetic field produced by current flowing over induction coil will drive the lever to make the circuit breaker trip quickly.