APG666-23974-2

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Circuit breakers play an important role in the operation and maintenance of electrical systems at all levels of industry. The APG666-23974-2 is a self-tripping three phase circuit breaker designed for safety and reliability in protecting the system and personnel from electrical failure and surge currents. In this article, we will explain the application field and working principle of the APG666-23974-2 circuit breaker.

Application Field of APG666-23974-2 Circuit Breaker

The APG666-23974-2 circuit breaker is designed for medium voltage (MV) applications. It can be used in a wide variety of industries such as electrical distribution and control systems for factories, power plants, buildings, and other industries. It is great for underground systems, overhead lines, and any other MV installations due to its ability to act quickly and reliably under different conditions. The APG666-23974-2 is also designed to operate in extreme weather conditions and temperatures on land or offshore. It is suitable for both indoor and outdoor applications and is a great solution for all kinds of electrical installations as well as stand-alone operation.

Working Principle of APG666-23974-2 Circuit Breaker

The APG666-23974-2 is a self-tripping three phase circuit breaker. This means that when a malfunction occurs, it automatically disconnects the circuits to prevent further damage or injury. The breaker has three main components: the trip unit, the coil, and the movable contact. When a short circuit occurs, the trip unit senses the increase in current and sends a signal to the coil, which then activates the movable contact. This movements breaks the connection and trips the breaker, disconnecting the circuit.

The APG666-23974-2 also has a current limiting system, which is designed to absorb excess voltage caused by power surges or faults. It works by limiting the current that is allowed to pass through the breaker. This ensures that any surges or faults are quickly detected and safely cut off to protect the system and personnel from harm. This system also allows the breaker to be reset after the fault has been cleared, allowing it to resume normal operation.

Conclusion

The APG666-23974-2 circuit breaker is a reliable and versatile breaker designed for MV installations. It is suitable for a wide variety of industrial applications and is able to withstand extreme weather conditions both on land and offshore. Its self-tripping three phase design and current limiting system make it an effective and safe solution for protecting personnel and equipment from electrical failure or surge currents.

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