UPLB51-30091-1 Circuit Protection

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Circuit breakers are an important part of any electrical system. The UPLB51-30091-1 is a particularly useful circuit breaker designed for use in heavy-duty applications. In this article, we will take a look at the UPLB51-30091-1 circuit breaker\'s application field and working principle.

Application Field

The UPLB51-30091-1 is an AC operated circuit breaker with a rated voltage of AC110/240V. It is designed for use in systems such as residential and commercial buildings, transformer substations, power plants, factories, panelboards, motor controls and other industrial applications. The UPLB51-30091-1 is the ideal choice for controlling the loads in a wide variety of systems. It is especially well-suited for air conditioning, electric water heating, and other high-current applications.

The advantages of using the UPLB51-30091-1 circuit breaker are numerous. It is designed to be easy to install, maintain, and replace. The breaker is also designed to provide optimal protection against electrical overloads, short circuits, and ground faults. It is able to withstand high short-circuit currents up to 100,000 amps, and it has a BSEN 60947-2 certification, which indicates that it meets all applicable safety requirements.

Working Principle

The UPLB51-30091-1 is a thermal-magnetic circuit breaker. This means that it utilizes both a thermal element and a magnetic element to detect and interrupt unsafe electrical current conditions. The thermal element works by detecting an increase in temperature in the breaker’s internal contacts due to electrical overload. The magnetic element works by sensing an increase in current due to a short circuit.

Once the thermal element or magnetic element detects an unsafe condition, the breaker trips, essentially interrupting the electrical circuit and preventing further damage. The breaker is then reset manually or automatically, allowing power to be restored to the circuit.

The UPLB51-30091-1 is designed to be extremely reliable. It is manufactured with high quality components and materials, which are designed to withstand extreme temperature and vibration. Furthermore, the breaker features an adjustable trip setting, so it can be set to trip in the event of an overload, short circuit, or ground fault. This ensures that the breaker will always be able to protect the circuit.

Conclusion

The UPLB51-30091-1 is a highly reliable and versatile thermal-magnetic circuit breaker. It is designed for use in a variety of applications, and is able to provide optimal protection against electrical overloads, short circuits, and ground faults. The breaker is easy to install and maintain, and it is designed to withstand extreme temperatures and vibrations. Furthermore, it features an adjustable trip setting, giving users control over the trip level.

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