R11-62-3.50A-B121IV-V

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Circuit Breakers: R11-62-3.50A-B121IV-V Application Field and Working Principle

Circuit breakers are electrical switches that automatically disconnect a circuit when there is an abnormal current flow. The R11-62-3.50A-B121IV-V is one type of widely used over-voltage protection circuit breaker. The purpose of this article is to discuss its application fields and working principles.

1. Applications of R11-62-3.50A-B121IV-V

R11-62-3.50A-B121IV-V is specifically designed for AC low voltage circuit with rated current of 3.50A. It is widely used as over-voltage protection in both residential and commercial premises, and also in various electric power engineering projects. It is used to protect the circuit from electric accidents caused by over-current, electric leakage and other electrical overpressure.

With R11-62-3.50A-B121IV-V, when the voltage exceeds certain value, it will automatically sense it and disconnect the power supply quickly. This ensures that the power supply is stable and reduces electric accidents.

2. Working Principle of R11-62-3.50A-B121IV-V

The R11-62-3.50A-B121IV-V is an over-voltage protection circuit breaker. It is composed of several main components such as the moulded case, bimetal, establishing button and releasing button. The working process is as follows:

1. When the voltage exceeds the designed value, the bimetal inside the circuit breaker deforms to drive the releasing button.
2. The releasing button separates the contacts of the moulded case, thus breaking the circuit.
3. At this time, the indicators on the moulded case will indicate the abnormal voltage.
4. When the voltage decreases to a safe limit, the releasing button will close the contacts of the moulded case, thus reconnecting the circuit.

In addition to over-voltage protection, some circuit breakers can offer anti-short circuit, overload and under-voltage protection. In most cases, a circuit breaker can be reset manually by pressing the establishing button. However, in the case of an overload or short-circuit, the circuit breaker will open and must be replaced.

Conclusion

The R11-62-3.50A-B121IV-V is an over-voltage protection circuit breaker. It is widely used in residential, commercial and industrial premises to prevent electric accidents. It works by sensing excessive voltage, breaking the circuit and indicating the abnormal voltage. It can also provide anti-short circuit, overload and under-voltage protection.

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