412-K14-FN2-7.5A Circuit Protection

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Circuit breakers can be classified according to their application fields and the principle of their operation. One such breaker is the 412-K14-FN2-7.5A. The following sections discuss the application field and working principle of this circuit breaker.

Application Field

The 412-K14-FN2-7.5A circuit breaker is a multi-pole current limiting device, designed for use as an overcurrent protection device in low voltage electrical distribution systems. It is rated for operation at AC and DC up to 660 volts. The 412-K14-FN2-7.5A is designed for use in both residential and commercial applications, to protect all components of the multiphase distribution system. It provides safe and efficient protection against overcurrent conditions and short circuits.

In residential applications, the 412-K14-FN2-7.5A is suitable for use on circuit breakers for general lighting, heating, and other small load circuits in single phase and 3 phase applications. It can also be used in an industrial environment, such as motor control centers, motor drives, and industrial process controls. The 412-K14-FN2-7.5A is also suitable for military, aerospace and mobile applications.

Working Principle

The 412-K14-FN2-7.5A circuit breaker operates on the principle of magnetic induction. When an overcurrent flows through the breaker, a magnetic field is produced and the circuit breaker contacts are separated, breaking the circuit. The contacts are composed of a special material which ensures a fast response time and good conductivity. The type III current limiting feature of the 412-K14-FN2-7.5A prevents the circuit from becoming overloaded, even under heavy fault conditions.

Finally, the 412-K14-FN2-7.5A includes an auxiliary contact for remote indication, which can be used for an alarm or for controlling external relays and switching devices. This device is a highly reliable solution for overcurrent protection, providing fast and efficient protection against overcurrents and short circuits.

In conclusion, the 412-K14-FN2-7.5A circuit breaker is a multi-pole current limiting device, designed for use in residential, commercial, military, aerospace and mobile applications. It operates on the principle of magnetic induction, and provides fast and efficient protection against overcurrents and short circuits. It is easy to install, safe to use, and is highly reliable.

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