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Circuit Breakers
A circuit breaker is an electrical device designed to protect an electrical circuit in case of an overload or short circuit. Circuit breakers are categorized as either air-break or oil-break. The type of circuit breaker used depends on the power requirements, environmental conditions and other operating considerations. In this article, we will discuss the IEG1-1-72-25.0-01-V circuit breaker and its application field and working principle.
Application Field of IEG1-1-72-25.0-01-V
The IEG1-1-72-25.0-01-V is an air-break circuit breaker that is used for electrical systems operating between 0.415 V and 25kV. It is suitable for both AC and DC operations. This type of circuit breaker is used for the protection of all types of electrical equipment, machines and systems. It is also used for switching and isolating products.
The IEG1-1-72-25.0-01-V circuit breaker is designed to be used in hazardous areas, such as flammable environments and places where explosive substances may be present. It is also suitable for use in high ambient temperatures and outdoor applications. As this type of circuit breaker is an air-break, it is self-protected and virtually maintenance-free.
Working Principle of IEG1-1-72-25.0-01-V
The IEG1-1-72-25.0-01-V functions on the principle of air insulation. When the power supplies to the circuit breaker, current passes through it and travels to the load. If the load requires more current than the breaker can provide, the breaker will trip and open the circuit. This action is done to protect the load from an excessive amount of current.
The IEG1-1-72-25.0-01-V includes an integrated thermal/magnetic trip unit that protects against short circuits, current overloads and ground faults. The trip unit mechanism contains a bimetallic strip and a magnetic coil. The bimetallic strip is heated by the current flow, causing it to expand and trip the breaker. On the other hand, the magnetic coil is energized when there is a large amount of current flow and it causes the breaker to trip.
The circuit breaker also includes a ground fault protection feature. This feature will detect and trip the circuit in the event of a ground fault in the system. In order to ensure proper functioning of this feature, the breaker must be regularly tested.
Conclusion
The IEG1-1-72-25.0-01-V is an air-break circuit breaker that is used for electrical systems operating between 0.415 V and 25kV. It has self-protected integrated thermal/magnetic trip unit and ground fault protection feature that helps to protect the loads and the electrical systems in case of an overload or short circuit. The IEG1-1-72-25.0-01-V circuit breaker is suitable for use in hazardous areas and can withstand high ambient temperatures.

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