IULNK111-1REC4-73-75.0-A

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Circuit Breakers is widely used in many industries, especially in industrial control system. The IULNK111-1REC4-73-75.0-A is a type of circuit breaker which has a broad applications in many fields.

The IULNK111-1REC4-73-75.0-A circuit breaker is a 3-pole high performace circuit breaker with a number of features, including overcurrent protection, short-circuit protection, overload protection , insulation monitoring, etc. It is suitable for low voltage applications dedicated to putting a sudden break in electric circuits for the protection of the electric system as well as for the personnel taking part in the operation. Its rated current is up to 39A, rated frequency at 50H_z and rated insulation voltage at 690V.

The IULNK111-1REC4-73-75.0-A can be widely used in many industrial sectors, such as electric power, petroleum, chemical, metallurgy, paper making, mining, aviation, port and communication, etc. Its working principle is based on the release switch to detect the current flowing in the circuit and to ensure that the current remains within the permitted set limits. If excessive current is detected, the release switch will switch off quickly to isolate the circuit and prevent it from being damaged. Furthermore, the circuit breaker will stop discharging and the current will then return to normal.

The working principle of the IULNK111-1REC4-73-75.0-A circuit breaker is simple and effective. When the current passing through the circuit reaches a certain preset point of overload in terms of current,the internal current sensor of the breaker triggers a trip unit and mechanical system of relay. It then cuts off the current and restores protection. This is achieved by the speedy movements of an internal lever system. The over current protection reduces the risk of damage to equipments, machines and other devices connected to the electric circuit.

The IULNK111-1REC4-73-75.0-A is an essential device for any installation, and is designed to trip or switch off an overloaded or short-circuited circuit in a relatively short span of time. It offers a high level of protection to electric system, personnel in charge and the environment, thereby helping to ensure that people and equipment remain safe and the environment is secure.

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