8345-B23A-U3M2-DB1B2B-30A

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Circuit breakers are used to protect electrical circuits from overload or short circuit. They are used in residential, commercial, industrial and other applications. 8345-B23A-U3M2-DB1B2B-30A is a type of circuit breaker, which has different application fields and working principles.

Application Fields:
8345-B23A-U3M2-DB1B2B-30A circuit breaker is mainly used for small and medium residential or commercial circuit protection. It is suitable for the protection of modules and single-phase motor circuits of air conditioning, refrigeration, lighting and other loads. It can protect the short circuit and overload faults of various electrical circuits. It is suitable for the application and protection of low voltage small household electrical equipment, such as air conditioning, refrigerator, lighting, colorful lights, and range hood.

Working Principle:
The 8345-B23A-U3M2-DB1B2B-30A circuit breaker is formed by integrating the turn-off circuit, the protecting circuit, the tripping circuit and the arc extinguishing circuit. Its operation mode is composed of two parts: fixed part and movable part.

The fixed part is mainly composed of a movement drive device, an electromagnetic actuating device, a simulation mechanical Tripper and a heat actuator. The movement drive device is responsible for driving the movable parts of the circuit breaker, the electromagnetic actuator determines the opening and closing torque required by the circuit breaker, the imitation mechanical trip simulates the action of the trip switch to determine the trip level of the circuit breaker, and the thermal actuator is responsible for fast breaking or Make the circuit breaker off.

The movable part is mainly composed of an arc-extinguishing system, a breaking system, a stretching system, a grounding device, and an arc-extinguishing sleeve. The arc-continental system and breaking system are responsible for interrupting the over-load and short circuit currents respectively, stretching and grounding are responsible for preventing the arc from extending and grounding, and the arc extinguishing sleeve is mainly used to extinguish and extinguish the arc s to protect the switch contacts.

The 8345-B23A-U3M2-DB1B2B-30A circuit breaker can provide reliable circuit protection. It is an important device for the safe operation of the power system. It has comprehensive protection functions, such as over current, short circuit, overload protection and electric leakage protection. It is especially suitable for residential and commercial applications.

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