IULHK111-1-42-25.0-01

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Circuit breakers are commonly used in various applications, ranging from residential to industrial, for the protection of wiring and devices from overloads and short circuits. In particular, the IULHK111-1-42-25.0-01 is an example of a circuit breaker typically utilized in industrial applications. This article provides an overview of the application field and working principle of the IULHK111-1-42-25.0-01 circuit breaker.

Application Field

The IULHK111-1-42-25.0-01 industrial circuit breaker is one of many similar products manufactured by ABB. This particular breaker possesses a rated current of up to 25 amps and is usually utilized for overload and short-circuit protection of LV line electrical circuits. It is typically utilized in industrial or commercial applications, though it is sometimes used in residential applications.

The breaker is designed to be padlocked in the “OFF” position with an ABB padlock. This ensures that the circuit remains inoperative until ready to be used. Additionally, the IULHK111-1-42-25.0-01 breaker features three displayed LED indicators – one for power-in, one for power-out, and one for short-circuit protection. The latter LED lights up in the event of a short-circuit fault.

Working Principle

The working principle of the IULHK111-1-42-25.0-01 circuit breaker involves the use of a spring-loaded mechanism that responds to either low, medium, or high voltage levels. When the applied voltage reaches a certain threshold, the spring-loaded mechanism trips the internal contacts in order to open the circuit and thus, prevent any potentially dangerous fault currents from forming.

The IULHK111-1-42-25.0-01 breaker is designed with a fast-trip system that can respond within approximately 10 ms and a slow-trip system that allows for a more controlled shutoff. This feature allows it to react quickly to any short-circuit faults and rapidly disconnect the circuit in order to protect the line. Additionally, the internal contacts are designed to last for a very long time since they are made of high-quality materials such as Silver Alloy and Copper Alloy.

The IULHK111-1-42-25.0-01 circuit breaker also features adjustable settings that allow the user to choose the desired response time and current level at which the breaker will trip. This feature makes it highly flexible and suitable for a wide variety of industrial applications.

Conclusion

In conclusion, the IULHK111-1-42-25.0-01 is a popular industrial circuit breaker that is commonly utilized for overload and short-circuit protection. It features adjustable settings, a fast-trip system, and a slow-trip system, as well as an LED indicator for short-circuit protection. Additionally, it is designed to be padlocked in the “OFF” position for added safety.

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