IELHK1111-33573-2-V

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Circuit breakers are devices used to switch off electric power when certain malfunction occurs. They are an important part of the protection system of electrical installation and provide protection against overload and short circuit. IELHK1111-33573-2-V is a type of circuit breaker with specific application fields and working principles.

The IELHK1111-33573-2-V is designed for protection of medium voltage MV equipment in electricity power distribution networks and is suitable for both indoor and outdoor applications. It has rated currents from 250A to 3000A and a compact construction. It also has a long operating life with high reliability.

The operating principle of IELHK1111-33573-2-V is based on the electromagnetic trip unit. It consists of an electromagnet which acts as a trip heat and an armature that is connected to the spring loaded switching portion. The power is switched off when a fault occurs in the circuit and the electromagnet is activated. The spring loaded armature trips the main contact open, turning off the power supply.

The IELHK1111-33573-2-V also includes a built-in surge arrester to protect against surges from lightning and transients. Additionally, it has a mechanical lockout device that prevents the opening of the circuit breaker under any circumstances. It also has a manual reset setting to allow correct operation of the breaker after a short circuit or overload.

The IELHK1111-33573-2-V circuit breaker can be used in a variety of medium voltage MV applications. It is suitable for both outdoor and indoor installation in residential, commercial, and industrial applications. It offers protection against overload, short circuit, and lightning strikes, making it an ideal choice for system protection. Furthermore, it is equipped with a manual reset setting to help restore circulation when the breaker has been triggered.

In conclusion, the IELHK1111-33573-2-V circuit breaker is a reliable and versatile device with built-in surge protection and manual reset settings. It is designed for protection of medium voltage MV equipment in electricity power distribution networks and is suitable for both indoor and outdoor applications. Its operating principle is based on an electromagnetic trip unit, which switches off the power when a fault occurs. With its advanced features, the IELHK1111-33573-2-V circuit breaker is an ideal choice for medium-voltage system protection.

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