APGB112-4380-17 Circuit Protection

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Circuit breakers are devices that are designed to protect electric circuits from damage due to excessive current or voltage. They are typically found in residential homes, businesses, and in industrial settings. The APGB112-4380 circuit breaker is one such device, designed for use in high-voltage applications. This article will explore the application field and working principle of the APGB112-4380 circuit breaker.

Application

The APGB112-4380 circuit breaker is designed for use in high-voltage applications. It is primarily used in areas where normal operations require higher current ratings than permitted by traditional circuit breakers. This is due to its rating system which allows for higher-rated current levels while still meeting the safety protocols of the region. These applications include substations, power plants, and other industrial settings.

In addition, the APGB112-4380 circuit breaker is designed with built-in overload protection functions. This ensures that any areas with heavy current loads have the proper protection from overheating or other damage due to overloading. This makes it an ideal choice for industrial and continuous-duty applications.

Working Principle

The working principle of the APGB112-4380 circuit breaker is relatively simple. When the current rating of the circuit reaches a predetermined level, the circuit breaker trips an internal relay. This shuts off the current to the circuit, thus preventing any further damage. This process is known as tripping and is designed to protect both the user and any connected devices from being harmed.

On a more technical level, the internal relay is operated by an electromagnetic solenoid. This solenoid is triggered by a current sensing resistor. When the current limit is reached, the resistor causes the solenoid to pull the relay closed, and in turn, shut off the current to the circuit.

Conclusion

The APGB112-4380 circuit breaker is an effective device designed for high-voltage applications. It is rated for greater current loads than traditional circuit breakers, and has built-in overload protection functions. It operates through an internal relay, which is triggered by an electromagnetic solenoid when the current limit is exceeded. This ensures that both the user and the connected equipment are protected against any further damage caused by overloading.

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