IDLHK1111-39975-3

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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IDLHK1111-39975-3 Circuit Breakers Application Field and Working Principle

Circuit breakers are an essential component in the electric network. They are designed to detect fault currents and protect the circuit or appliance from electric arc fault or short circuits. This article focuses on the application field and working principle of the IDLHK1111-39975-3 circuit breaker.

Applications

The IDLHK1111-39975-3 circuit breaker is most commonly used in commercial and residential applications where circuit protection is needed. It is UL 1077 approved and can be used to protect low-voltage, high-load circuits with a rated capacity up to 78.4A. The circuit breaker is also designed for a wide range of applications including HVAC, lighting, office equipment, large appliances and more.

Working Principle

The IDLHK1111-39975-3 circuit breaker works by opening the circuit when current flows over the preset trip level. This prevents any further current from flowing through the circuit and protects the devices and equipment connected to it. The circuit breaker has two components, a bimetal strip and a temperature sensitive device. The heat generated by the current causes the bimetal strip to expand, which then triggers the temperature-sensitive device to open the circuit. This prevents the current from flowing through the circuit and eliminates any electric arc from forming.

Maintenance

The IDLHK1111-39975-3 circuit breaker requires regular checking and maintenance to ensure it is functioning correctly and providing the necessary protection. This includes inspecting the breaker, checking for loose connections, ensuring the terminals and bimetal strip are in good condition, and testing the circuit breaker for correct operation. It is also recommended that the circuit breaker be replaced every 10-20 years depending on the usage and environment.

Conclusion

The IDLHK1111-39975-3 circuit breaker is designed for commercial and residential applications where circuit protection is needed. The circuit breaker works by opening the circuit when current flows over the preset trip level and the temperature sensitive device triggers the breaker to open. It is important to regularly check and maintain the circuit breaker to ensure it is providing the necessary protection.

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