9120043500

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Circuit breakers

Circuit breakers are essential devices in many electrical engineering and electrical devices. Their main purpose is to protect devices and even people from electric shock by automatically responding to devices that have exceeded a pre-set limit. The 9120043500 circuit breaker is a great example of this technology, and it works by a mechanism that breaks connections when it detects current overload.

Application Field

One of the main applications of the 9120043500 circuit breaker is its use as an overload protector for electrical equipment. For example, it can be used to protect motors, air conditioners, and other industrial equipment from overloading. It can also be used for personnel protection, such as controlling power in areas with potential electric shock. Additionally, it is suitable for isolation, protection, and control in different branch circuits.

Working Principle

The 9120043500 circuit breaker has two distinct stages of operation. When the current exceeds the maximum pre-set limit, the breaker is immediately triggered, and the connection is broken. This is achieved by a thermal-magnetic mechanism, and the thermomagnetic switch component is responsible for detecting excessive current and triggering the breaker.

Once the breaker is triggered, it will automatically reset in the second stage, and the connection is re-established. During this second stage, the thermal-magnetic switch is reset and the circuit breaker is able to respond to the pre-set limit again in case of exceeded total current.

Conclusion

The 9120043500 circuit breaker is an essential device for many electronic circuits and equipment. By utilizing a thermal-magnetic mechanism, this breaker is able to detect and instantly react to dangerous levels of current. It can then be used to protect electrical equipment and personnel from electric shock, as well as for other purposes such as isolation, protection, and control.

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