412-K14-LN2-3A Circuit Protection

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Circuit breakers are a type of safety device used to protect electrical systems against short circuits and overloads. The 412-K14-LN2-3A is a particular type of circuit breaker designed for use in high voltage applications. This article will discuss the application field and working principle of this device.

Application Field

The 412-K14-LN2-3A is designed specifically for high voltage applications. It is typically used in insulation systems subject to frequent loading and unloading, pulse and low-level switching applications, and contact welding in low voltage systems. This device has a low arc divergence current and an upper arc diversion current, which makes it well suited to low-arching conditions. Furthermore, it can be used in closed circuit systems, where it can provide protection against short circuits and thermal overloads.

Working Principle

The 412-K14-LN2-3A works on the principle of an arc chute. An arc chute consists of a sheet metal housing with multiple contacts. When the contacts are closed, the current flows through the arc chute, and when the contacts are opened, the arc is interrupted. This prevents the current from continuing its flow and protects the electrical system. The 412-K14-LN2-3A is a bi-stable type circuit breaker, meaning that the contacts remain closed until a fault occurs. When the fault is detected, the contacts rapidly open to break the current and protect the system.

The 412-K14-LN2-3A also features an advanced arc suppression system. This is done by using two different types of arc chambers. One chamber contains a set of diverging arc magnets, which are designed to draw the arc away from the contacts. The other chamber contains a set of current diverging ribs, which are designed to further cool the arc and stop it from re-lighting. These features provide the device with superior short circuit protection and make it suitable for a wide range of applications.

Conclusion

The 412-K14-LN2-3A is a bi-stable type circuit breaker designed for use in high voltage applications. It is well suited to low-arching conditions and can provide protection against short circuits and thermal overloads. It features an advanced arc suppression system, which is designed to draw the arc away from the contacts and further cool the arc to prevent it from re-lighting. This device is an excellent choice for a wide range of insulation systems, pulse and low-level switching applications, and contact welding in low voltage systems.

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