IEGH66-34427-2-V

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Circuit breakers are an integral part of electrical systems to keep them running safely and efficiently. The IEGH66-34427-2-V is a type of circuit breaker that is designed to protect electrical circuits from faults and overloads. This article will discuss the application field and working principle of IEGH66-34427-2-V circuit breakers.

The IEGH66-34427-2-V circuit breaker is designed for use in low-voltage, three-phase distribution systems. It is ideal for residential and commercial building applications. It has a trip current rating of 4000A and can withstand a short-circuit current of 100 kA.

The main function of IEGH66-34427-2-V circuit breaker is protection of electrical circuits from short-circuits and overloads. It is designed to open automatically when a fault or overload is detected in the system, cutting off the power before any damage can occur. It is also designed to be able to reclose after a fault has been cleared, so that the power can be restored safely.

The working principle of the IEGH66-34427-2-V breaker is based on a "trip-and-hold" principle. The breaker includes a magnetic trip device which detects current levels in the system and triggers the breaker to open. It also includes a thermal device which is triggered if the current remains high for longer than a certain amount of time, providing additional protection.

The IEGH66-34427-2-V circuit breaker also includes a number of important safety features. It is designed to be resistant to vandalism and tampering. It also provides overvoltage and undervoltage protection, as well as a manual testing device that can be used to test the operation of the breaker before it is put into service.

In conclusion, the IEGH66-34427-2-V circuit breaker is designed for use in low-voltage three-phase distribution systems, providing protection from short-circuits and overloads. It utilizes a trip-and-hold principle, and also provides a number of important safety features. As such, it is a safe, efficient and reliable choice for many residential and commercial applications.

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