4230-T120-K0BE-5A

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Circuit breakers are an essential component of modern electrical systems, providing safety and reliability to home and commercial systems alike. The 4230-T120-K0BE-5A is a specific model of circuit breaker manufactured by ABB and designed for use in high-power, mission-critical applications. This article provides an overview of the 4230-T120-K0BE-5A\'s application field and working principle.

The 4230-T120-K0BE-5A is a trip circuit breaker that offers a range of features available in both three-pole and four-pole versions. As a trip-type breaker, the device is designed to automatically respond to high current surges or overloads by disconnecting the circuit in a safe and controlled way. This type of breaker is frequently used in mission-critical circuits, such as those housing highly sensitive data and networking equipment, where uninterrupted power is necessary. The two-pole version of the breaker is also suitable for use in low-power applications, such as residential homes.

A key feature of the 4230-T120-K0BE-5A is its ability to trip at pre-set current levels, provided that the current exceeds the set level for a certain amount of time. This is known as the tripping time delay and is often used to limit the amount of energy flowing through a circuit. In addition, the breaker has the ability to detect contact operation to allow for resetting of the system after a fault has been cleared. This allows for a quick and smooth recovery to normal operation.

Another key feature of the breaker is its capability to provide thermal protection, meaning that it can identify and disconnect faulty circuits that have a sudden and drastic increase in current. Thermal protection works by detecting sudden changes in temperature, generated by the increase in current, and quickly disengaging the circuit to prevent overload and possible damage to the system.

The 4230-T120-K0BE-5A is made of a robust and reliable steel housing, making it suitable for both indoor and outdoor use. The breaker has a high dielectric strength, class A insulation and is rated up to 20kA. The breaker also offers self-test and manual-test functions as well as a remote monitoring feature for added convenience and reliability.

In summary, the 4230-T120-K0BE-5A circuit breaker is a reliable and robust tripping breaker designed for high power mission-critical applications. The breaker offers the ability to limit energy flow through protection against overload and thermal strain, making it an excellent choice for a variety of applications. It is also equipped with a robust steel housing, making it suitable for both indoor and outdoor use.

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