IEG66-29860-1-V Circuit Protection

Series:	IEG
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	2
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers: IEG66-29860-1-V Application Field and Working Principle

Circuit breakers are essential devices present in today\'s power systems. They are used to quickly, safely and efficiently provide protection against electric power system faults. The IEG66-29860-1-V circuit breaker is one such device, and this article will discuss its application field, as well as its working principle and operations.Circuit breakers are classified into two main types: air circuit breakers (ACBs) and vacuum circuit breakers (VCBs). The IEG66-29860-1-V is an ACB circuit breaker, designed for use in AC power systems up to 15 kV. It is manufactured and sold by IE Digital Solutions, a leading supplier of industrial electrical equipment.The IEG66-29860-1-V ACB circuit breaker is designed for use in both indoor and outdoor applications. It features a single-pole manual operating mechanism and is suitable for isolating and switching operations. As it is an air circuit breaker, it is capable of handling high levels of over-current and short circuit events without suffering any long-term damage or degradation.In addition to its reliance on air to interrupt the flow of current in a circuit, the IEG66-29860-1-V ACB circuit breaker also utilizes a number of other key components and features. These include a contact bridge, which makes electrical contact with each other when the circuit is closed, and an arc extinguishing system, which is used to extinguish the arc created during an interruption process. The breaker also features a pressure switch, which is used for monitoring the internal pressure of the circuit breaker, as well as a thermal overload release, which ensures that the circuit breaker does not exceed its rated current limit.The IEG66-29860-1-V ACB circuit breaker works using a three-phase system. Each phase is individually controlled by the breaker; when the current reaches a level that is greater than its rated current, the breaker quickly interrupts the circuit. This prevents any further damage or overloads from occurring.The working principle of the IEG66-29860-1-V ACB circuit breaker can be broken down into four key steps. In the first step, the current passes through the breaker, traveling through the contact bridge. When the current reaches its threshold limit, a mechanical spring releases and propels the contact bridge away from the arc extinguishing system, leading to an interruption of the current.In the second stage, the arc extinguishing system is engaged, extinguishing the arc that exists between the contact bridge and the arc extinguishing system. The third step involves the timely shutdown of the arc extinguishing system, allowing for a safe re-closing of the circuit breaker. Finally, the last stage requires the thermal overload release to be reset, allowing the circuit breaker to repeat the process when needed.In conclusion, the IEG66-29860-1-V ACB circuit breaker is a reliable and efficient piece of equipment, providing safety and reliability to power circuits up to 15 kV. It features several key components, including a contact bridge, an arc extinguishing system, a pressure switch, and a thermal overload release, each of which is essential to the circuit breaker\'s operation. By understanding the working principle of the IEG66-29860-1-V, each of these components can be more effectively utilized, providing maximum protection against electric power system faults.

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