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Circuit Breakers

Circuit breakers are essential components of a electrical system. They are used to protect electrical circuits from short circuit and overload conditions. The LELH111-31363-2-V is an example of a circuit breaker, which is designed to provide both over-current and short circuit protection.

Application Field of LELH111-31363-2-V

The LELH111-31363-2-V is designed for both residential and commercial applications. It is suitable for low voltage applications up to 690 Volts and it has an interrupting rating of 6 kA. It is suitable for direct line, Type I selective and Type II selective coordination. The LELH111-31363-2-V is designed for single phase and three phase devices, and is available in 1, 2 and 3 pole versions.

Working Principle of LELH111-31363-2-V

The LELH111-31363-2-V works by detecting an over-current or short circuit on the circuit it is protecting. When the current exceeds a pre-determined safety level, an electromagnetic field is generated. This field causes a trip coil to be energised, and the trip switch is opened, disconnecting the circuit and protecting it from any further overload.

The LELH111-31363-2-V is also equipped with a thermal overload function, which monitors the heat generated in the circuit. If the temperature exceeds a pre-determined level, it will trip the circuit breakers contact and open the circuit, providing additional protection.

Conclusion

The LELH111-31363-2-V is a reliable and cost effective circuit breaker. It is perfect for residential and commercial applications, and offers both over-current and short circuit protection. It is also equipped with a thermal overload function, allowing it to provide additional protection.

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