IELHK111-1-63F-12.0-E-01-V

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IELHK111-1-63F-12.0-E-01-V is a circuit breaker manufactured by Siemens with application field and working principle described in this article.

Definition

A circuit breaker is an electrical switch used to protect an electrical circuit from damage caused by overload or short circuit. It is designed to detect a fault condition and isolate the circuit from the power supply. Circuit breakers can also be used to control the flow of electricity in the circuit, preventing the current from exceeding a predetermined level.

IELHK111-1-63F-12.0-E-01-V Application Field

The IELHK111-1-63F-12.0-E-01-V Circuit Breaker is designed for use in medium or low voltage circuits. It is suitable for protection of short-circuit for alternating current systems up to 3600 A. The breaker is ideal for protection of transformer, engine, motor and other AC devices.

Working Principle

The IELHK111-1-63F-12.0-E-01-V Circuit Breaker is a current sensitive device. When a fault current rises beyond a pre-set level, the breaker trips, isolating the faulty segment of the circuit. The breaker typically uses a thermal reactance and a magnetic reactance to detect over current conditions. The thermal reactance consists of a switch and a bimetallic element. As the current flows, the bimetallic element heats up and bends, pushing the switch open, which causes the breaker to trip. The magnetic reactance uses electromagnetic force to detect overcurrent flows and rapidly open the switch, tripping the breaker.

Conclusion

The IELHK111-1-63F-12.0-E-01-V Circuit Breaker is a medium and low voltage breaker designed for use in various electrical circuits. It is designed to detect over current and short-circuit conditions and isolate the faulty segment of the circuit from the power supply. The breaker uses both thermal reactance and magnetic reactance to detect over current situations. With its excellent performance and reliability, it is ideal for protecting transformer, motor and other electrical devices.

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