UPG666-1964-2 Circuit Protection

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UPG666-1964-2 Circuit Breakers: Application Field and Working Principle

Circuit breakers are widely used as essential safety devices for electrical systems. They are designed to provide isolation of wiring, and are particularly helpful in the case of short circuits, ground faults, and overloads that could lead to an electrical fire. In this article, we will explore the application field and working principles of the UPG666-1964-2 circuit breaker.

Application Field of UPG666-1964-2

The UPG666-1964-2 is a three-position, three-pole circuit breaker, designed for use in both residential and commercial applications. It is UL listed and has an interrupt rating of 10,000A at 240VAC. The UPG666-1964-2 is most commonly used in circuits that require a higher current rating than 15A, such as those in an HVAC system, large-scale electrical wirings, and industrial-grade equipment. Additionally, it is often used in high vibration areas, such as in marine applications.

Working Principle of UPG666-1964-2

UPG666-1964-2 circuit breakers are equipped with a small electrical component called a trip mechanism. This trip mechanism is designed to detect sudden changes in the flow of electricity and immediately interrupts the current, thereby preventing a fire or other catastrophic events. When an electrical current passes through the trip mechanism, an electromagnetic field is created, which causes a plunger to move and separate the contacts in the breaker. This interruption of the electrical current is then detected by an internal switch, which in turn trips the breaker and shuts off the current.

The UPG666-1964-2 is also equipped with a manual override switch. This switch enables the user to manually open or close the breaker without needing to power down the circuit. This manual override switch can also be used as an emergency control to quickly shut off the system in the event of a fault or emergency.

Conclusion

UPG666-1964-2 circuit breakers are a reliable and durable solution for protecting residential and commercial applications from overcurrent. Their three-pole configuration enables a higher current rating than single-pole breakers, allowing them to be used in applications that require greater current. Furthermore, their trip mechanism and manual override switch provide fast and reliable protection, ensuring the safety of the user and the system.

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