IELK1-1-72-20.0-01-V

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Circuit Breakers are a vital component of any electrical power system and are used to protect electrical systems from overloads and fault currents. The IELK1-1-72-20.0-01-V is a type of circuit breaker specifically designed for residential, commercial and industrial applications. In this article, we will explore the application field and working principle of the IELK1-1-72-20.0-01-V circuit breaker.

Application Field of IELK1-1-72-20.0-01-V Circuit Breakers

The IELK1-1-72-20.0-01-V circuit breaker is designed for residential, commercial and industrial use. It is suitable for protecting single-phase and three-phase circuits with a rated current up to 400 Amperes. This is usually sufficient to protect the most commonly used household, commercial and industrial circuits such as lighting, heating, and cooling systems.

The IELK1-1-72-20.0-01-V circuit breaker is also suitable for applications where there is a need to continuously switch large currents, such as in motor control applications. It is also suitable for applications where the local availability of power is low. Its characteristics ensure that short-term high-current demand is easily managed.

Working Principle of IELK1-1-72-20.0-01-V Circuit Breakers

The IELK1-1-72-20.0-01-V circuit breaker is a type of thermal-magnetic circuit breaker. It uses a combination of thermal and electromagnetic components to detect, absorb and dissipate fault currents and overloads. The thermal component is composed of an Integrated Thermal Trip Unit (ITTU) and a Thermal Releasing Coil (TRC). The ITTU continually monitors the temperature of the windings and the case of the breaker. If the temperature reaches a critical level, the TRC will energize and a release mechanism will disconnect the contacts of the breaker.

The electromagnetic component is composed of an Integral Facility Residual Current Device (IFRDC) and a Residual Current Circuit Breaker (RCCB). The IFRDC monitors the current going through the breaker and trips the breaker if it detects an overload or a fault. The RCCB directly connects with the IFRDC and trips if activated by the IFRDC. In addition, the RCCB is also fitted with a manual test button and indicator light that allows for manual testing of the breaker.

In an event of an overload or fault, the IELK1-1-72-20.0-01-V circuit breaker will first attempt to limit the increase of current. If the current is not brought under control, the trip: mechanism will activate the thermal element which will immediately disconnect the circuit breaker. This ensures that in the event of an overload or fault, the circuit breaker will safely shut off the power without causing any damage to the connected electrical system.

Conclusion

The IELK1-1-72-20.0-01-V circuit breaker is a reliable and versatile solution for residential, commercial and industrial applications. It is designed to protect circuits from overloads and faults by using a combination of thermal and electromagnetic components. This ensures that the circuit breaker can quickly and safely disconnect the power without causing any damage to the connected electrical system.

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