Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Circuit breakers are essential components for any electrical circuit. The IEGHF66-32425-25-V is a specific type of circuit breaker, designed to provide protection from overloads and short circuits of power systems. This article will explain the application field and working principle of the IEGHF66-32425-25-V circuit breaker.The IEGHF66-32425-25-V is a three-phase circuit breaker designed for use in both outdoor and indoor applications. It is suitable for use in industrial, commercial, and residential applications. The operating voltage range of the IEGHF66-32425-25-V is 0.6-1.2kV AC, and it can handle fault currents up to 50kA. The breaker has a high breaking capacity of 80kA. It also features high sensitivity, allowing it to trip quickly and reliably in the case of an overload or short circuit.The working principle of the IEGHF66-32425-25-V circuit breaker is based on the identical action of a number of contact elements. The contact elements, referred to as \'contact arms\', are mounted in the breaker housing and connected to a steel actuator located outside the hermetically sealed enclosure. In the event of an overload or short circuit, the steel actuator pushes the contact arms into the contact position and the breaker trips. When the fault current is cleared, the thermo-magnetic actuator swiftly returns the contact arms to the off position and the circuit breaker resumes normal operation.In addition to the overload and short-circuit protection provided by the IEGHF66-32425-25-V circuit breaker, the breaker also features magnetic protection. This protection is provided by an auxiliary magnetic device, called an \'over-current release\'. The release is triggered when the current in the circuit reaches a preset threshold, causing the breaker to trip and interrupt the circuit. This protection is essential to ensure that the circuit does not become overloaded.The IEGHF66-32425-25-V is also equipped with a thermal-magnetic trip unit, which provides additional protection against both overload and short-circuit currents. This trip unit can be adjusted to trip the breaker at a range of preset operating currents, allowing for precise control.The IEGHF66-32425-25-V circuit breaker can be used in a variety of industrial, commercial, and residential applications. It is suitable for use in three-phase AC circuits, providing reliable and efficient protection against overloads and short circuits. The breaker has a high breaking capacity and sensitivity, ensuring a quick and reliable response in the event of an overload or short circuit. Furthermore, the breaker also features a thermal-magnetic trip unit and an over-current release, offering additional protection against overloading and short circuits.

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