IULHK119-31472-3

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Circuit breakers are used in electrical systems to prevent to process of automatic fault detection and to limiting damage from disasters such as fires, electric shocks, and short circuits. The IULHK119-31472-3 is a specific model of a circuit breaker that is used for low voltage switching applications. It is mainly used in applications such as industrial, marine, or commercial environments.

The IULHK119-31472-3 circuit breaker is a type of miniature circuit breaker (MCB) that is designed for applications under a rated voltage of 400 volts (AC) and a rated current of 63 amps. It has a large, fixed position contact that is activated by a spring-biased trip element, which is designed to trip the breaker in the event of an overload or a short circuit. In addition, it also features a lockout feature to prevent the breaker from being manually reset after it has tripped due to a fault in the circuit.

The working principle of the IULHK119-31472-3 is relatively simple and straightforward. When a current passes through the breaker, the trip element is activated and causes an arc to be formed between the contacts. This arc is then extinguished by a thermal effect, resulting in a high-temperature gas that forces the trip element to release and the breaker to trip. Once the circuit is switched off, the trip element and the breaker reset automatically and the system is restored to normal.

In addition to its use as a standard circuit breaker, the IULHK119-31472-3 can also be used as an earth fault trip circuit breaker. This specialized type of circuit breaker is used in order to protect both people and equipment from electrical shocks and to reduce the risk of an electrical fire. The breaker trips when it detects an earth fault in the circuit, and it will remain tripped until the fault is cleared and the system is reset.

Overall, the IULHK119-31472-3 is an effective and reliable circuit breaker that is suitable for a variety of low voltage switching applications. It is designed to provide protection against overloads and short circuits, as well as earth faults. Its simple working principle and automatic resetting makes it an ideal solution for industrial, marine, and commercial environments.

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