IEGHF66-35877-25-V

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Circuit breakers are devices found in an electrical system which protect against the dangers of an overloaded circuit, such as an electrical fire or system collapse. IEGHF66-35877-25-V is one type of circuit breaker widely used in the industrial sector, due to its robust and reliable design. This article will explain the application field and working principle of IEGHF66-35877-25-V.

IEGHF66-35877-25-V is designed for medium-high voltage application ranging from 660 - 1000KV. It is rated with a maximum breaking current of up to 25KA, making it ideal for applications where protection against high current surges is necessary. The device is designed to trip quickly when the current in the circuit exceeds a certain limit, thus preventing any further damage to the system. Furthermore, the IEGHF66-35877-25-V is able to protect against short circuits, which can be a major cause of system failure.

To protect against such events, IEGHF66-35877-25-V is designed as an instantaneous trip type circuit breaker. The device contains an electromagnetic trip unit, which trips the breaker in an instant when a large current surge is detected in the circuit. The trip unit contains a coil, which creates a magnetic field when a large current surge is present. This field is then used to move an internal actuator, which opens both the main and auxiliary contacts, thus cutting the power supply to the system.

In addition to its quick-trip design, IEGHF66-35877-25-V is also designed with a thermal-magnetic trip unit. The thermal-magnetic trip unit is designed to trip the device if the circuit carries a continuous current which is higher than its nominal rating. The thermal-magnetic element in the trip unit detects the current on the circuit and activates its trip device when the current limit is exceeded. The breaker is then able to quickly isolate the circuit and reduce the current, preventing further damage.

Finally, IEGHF66-35877-25-V also comes with a manual reset device. This device is used to reset the breaker in the event of a fault or power surge. The manual reset device allows the user to manually reset the breaker in the event of a power surge or other fault condition, thus allowing the system to continue operating without interruption.

Overall, IEGHF66-35877-25-V is an excellent choice for protection against current surges and short circuits. It is rated for medium-high voltage application, and offers both an instantaneous trip type circuit breaker and a thermal-magnetic trip unit to protect against excessive current. Furthermore, the manual reset device allows the user to easily reset the breaker in the event of a fault. As such, IEGHF66-35877-25-V is an ideal device for medium-high voltage application, offering a robust, reliable, and cost-effective solution for electrical system protection.

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