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Circuit breaker transparent

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Description

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Residual current circuit breaker is an intelligent low voltage safety distribution device that integrates the functions of overload protection, short circuit protection and leakage protection. Its basic operating principle is to continuously monitor the vector sum of the currents of the phase and neutral conductors of the line using a built-in zero-sequence current transformer. During normal operation, the vector sum of the currents is zero; When a current leakage occurs or an electric shock occurs to a person, part of the current returns through the person's body or the ground, causing the vector sum to cease to be zero, at which point the circuit breaker is able to automatically operate the tripping mechanism and cut off the power in a very short time, thereby effectively preventing electric shock accidents and the risk of electrical fire.

The product has the characteristics of sensitive operation, fast response and high reliability, supports various types of protection such as AC type and A type, can adapt to different rated currents and differential operating currents, and is widely used in the end circuits of low-voltage distribution systems such as residential buildings, commercial buildings, industrial plants and infrastructure facilities, being an indispensable protective equipment for modern electrical safety.