IEG6-1-72-20.0-91-V

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Circuit Breakers are designed to detect a fault condition, interrupt power flow and protect downstream components from dangerous voltage levels resulting from a fault. The IEG6-1-72-20.0-91-V is an example of a circuit breaker that is designed to provide low-voltage and motor protective overload protection. This article will discuss the application field and working principles of this circuit breaker type.

Application Field

This particular circuit breaker is specifically designed for low voltage motor protection and overload protection. It is commonly used in industrial settings where motors and other powered systems must be protected from excessive current and hazardous voltage conditions that may arise during use. It is also an excellent choice for settings in which motor and other machinery need reliable protection from single-phasing, current and voltage unbalance, overvoltage, and mechanical overload protection.

Working Principle

The IEG6-1-72-20.0-91-V circuit breaker uses a thermal-magnetic principle of operation to protect against overload and short circuit conditions. The thermal-magnetic operation uses an electromagnet to divert the flow of current when necessary by tripping the circuit breaker. The tripping current of the device is determined by the size of the incoming current, with a higher current triggering an earlier trip. Once the fault condition has been removed, the circuit breaker can be reset manually.

In addition to thermal-magnetic operation, the IEG6-1-72-20.0-91-V contains a number of additional features to provide protection from other kinds of faults. The device includes a selection of current settings and the ability to set a maximum current level. It also includes a trip delay setting to provide greater protection against false-tripping from momentary increases in current. There is also a mechanism to prevent the circuit breaker from being reset after a short-circuit interruption has been detected. Lastly, the circuit breaker features a multi-tapping system for easy installation and compatibility with a range of voltage levels.

Conclusion

The IEG6-1-72-20.0-91-V circuit breaker is an effective solution for providing low voltage protection in industrial and commercial settings. The device utilizes a thermal-magnetic principle of operation and includes additional features such as trip delay settings, maximum current settings, and multi-tapping to ensure it is able to provide reliable protection against a range of fault conditions.

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