447-K-H-FN-SI-225A Circuit Protection

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Circuit breakers are electrical devices that are used to protect electrical circuits and systems from overloads and short circuits. They are designed to automatically open the circuit when a certain current or voltage is exceeded. A 447-K-H-FN-SI-225A circuit breaker is a high voltage unit that is designed to protect circuits with a maximum voltage of 6.6kV and a maximum current of 225A.

The 447-K-H-FN-SI-225A circuit breaker has wide applications in industrial, commercial and public settings. It is especially popular in industrial applications for controlling and protecting high voltage motors, transformers, generators, and other industrial equipment. In public settings, the 447-K-H-FN-SI-225A circuit breaker can be used to protect public electrical installations such as schools, hospitals, and government buildings. This type of circuit breaker can also be used for a wide range of commercial applications such as lighting systems, air-conditioning systems, and security systems.

The working principle of the 447-K-H-FN-SI-225A circuit breaker is based on thermal-magnetic technology. The circuit breaker is connected to the power source and when the current flowing through it exceeds the rated current, it activates a thermal switch that triggers the opening of the contacts. It then activates a magnetic switch which is connected to a solenoid that trips the circuit breaker, disconnecting the power supply. This prevents further damage to the circuit by cutting off the electricity.

In addition to providing overload and short-circuit protection, the 447-K-H-FN-SI-225A circuit breaker also offers protection from power surges and other types of spikes. Furthermore, it is designed to be reset manually after the overload or short circuit condition is eliminated, which can be done simply by pressing a reset button. This makes the 447-K-H-FN-SI-225A circuit breaker a versatile and reliable device for both industrial and commercial applications.

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