LEGH66-1-63-30.0-Z-01-V Circuit Protection

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Circuit breakers are vital components of electrical and electronic systems that serve to protect the system from damages due to current surges, overloads, and short circuits. One such fairly standard circuit breaker is the LEGH66-1-63-30.0-Z-01-V. This guide will discuss the application field and working principle of this circuit breaker.

The LEGH66-1-63-30.0-Z-01-V circuit breaker is an air type breaker designed for general purpose use that can handle a current up to 630 A. It is an arc quenching type switch-disconnector that is mainly used in circuits with voltage ratings of up to 400 volts or so. It is generally used in commercial, industrial and domestic locations for the protection of installations against short circuits, overloads, and other hazardous conditions.

The LEGH66-1-63-30.0-Z-01-V circuit breaker is equipped with an automatic thermal protection system that prevents the overload condition or the abnormal current from circulating in the circuit. This circuit breaker is mainly designed to prevent the electric system from enduring low level automatic current switch-off. The circuit breaker is also designed with a contactor, a contactor shutter, a manual switch that allows current control from the outside, and a device for resetting contactor after the over current detection.

The working principle of the circuit breaker is fairly simple and straightforward. The circuit breaker features a current transformer, which is responsible for sensing the current running along the circuit. When the current runs higher than the set trip level, the breaker will quickly switch off to prevent any potential damage. This is designed to instantly disconnect the power supply to the system in case of any over currents, overloads, and other hazardous conditions.

In conclusion, the LEGH66-1-63-30.0-Z-01-V circuit breaker is an essential device for protecting electrical and electronic circuits from hazardous conditions. It features an automatic thermal protection system and a current transformer, which will quickly switch off the circuitry in case of any over currents, overloads, and other hazardous conditions. By understanding this circuit breaker\'s application field and working principle, one can be assured of its reliability when used in various commercial, industrial and domestic installations.

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