IUGN66-35179-4 Circuit Protection

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Circuit breakers are often used as protection devices for electrical grids. They work by automatically interrupting the flow of current when a fault or overload occurs in the grid, preventing potentially hazardous high-voltage arcs. IUGN66-35179-4 is a type of air-blast circuit breaker, and is used in high-voltage applications in the transmission of electricity.

The IUGN66-35179-4 is an integrated unit composed of various components such as an air-blast circuit breaker with an arc-quenching medium, an isolating switch, an arrester, and a surge suppression device. It is designed to protect power systems from faults and to provide reliable and safe interruption of fault currents. The integrated unit helps to reduce weight, size, and cost, as well as simplifying installation and maintenance.

The working principle of the IUGN66-35179-4 is based on the air-blast principle. When a fault occurs, the circuit breaker detects it and automatically opens the contacts, interrupting the current. Simultaneously, compressed air is injected into the arc chamber, quenching the arc and cooling the contacts. This ensures a reliable and safe interruption of fault currents. When the fault current is eliminated, the contacts are restored to their pre-fault position, allowing current to flow normally.

The IUGN66-35179-4 is designed to operate in a wide range of frequencies, and can provide interruptions up to 60kA of fault current. It is also fitted with a self-monitoring system, which allows the circuit breaker to actively monitor its own performance and condition and to detect faults or over-currents in the grid. In addition, the IUGN66-35179-4 provides protection from thermal overloads and can be used in applications where rapid or complete shutdown of the circuit is required.

The IUGN66-35179-4 is designed to be reliable, robust, and easy to install and maintain. It is tested to rigorous standards and has been proven to provide reliable protection from fault currents and overloads. In addition, the integrated design helps to reduce weight and size, making it ideal for applications where space is at a premium.This makes it an ideal choice for use in high-voltage applications in the transmission of electricity.

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