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Circuit Breakers

Circuit breakers are components used in electrical systems for two main purposes. First, they act as protection against electricity surges beyond a certain wattage or voltage. This is accomplished by detecting an overcurrent in the system and then automatically cutting off the power supply. Circuit breakers are important components of the power grids in both residential and industrial settings, as well as for portable applications such as emergency lights, air conditioners and so on. They are also used in computer systems to protect against power surges that may damage the hardware. The second purpose of a circuit breaker is to provide a manual means of disconnecting an electrical circuit within the system, in case of an emergency or power failure.

LMLK1-1RS4-29172-1

The LMLK1-1RS4-29172-1 is a miniature circuit-breaker designed for domestic or light commercial applications. As a leverage mechanism which is triggered on an overcurrent or surge, it is designed to be generally safer than other circuit breakers which use a spring. This makes it ideal for applications where circuit vibration or shock may cause failure due to misalignment of internal components.

Application Fields

The LMLK1-1RS4-29172-1 circuit breaker is rated for up to 42 amperes, making it suitable for low-medium power circuits. It is best utilized in domestic appliances such as induction cooktops, boilers, and other home appliances. The circuit breaker is suitable for most standard wiring, and can be found in basements, wall units, junction boxes in modern homes and other places where safety circuits are needed.

Working Principle

The LMLK1-1RS4-29172-1 circuit breaker works by using a powerful magnet and armature assembly which is linked to receive and produce a mechanical motion. This mechanical motion can be calibrated to cut off power in the event of an overcurrent beyond the rated voltage. This motion causes the circuitbreaker contacts to disconnect, thereby cutting off the electrical supply to the circuit and preventing further damage to equipment caused by the surge of electricity. In order to reset the circuit breaker after a surge, the user must manually reset it. This means the LMLK1-1RS4-29172-1 is generally a safer circuit breaker than other circuit breakers which use a spring to reset, as these are often very difficult to re-engage and may lead to a potential risk.

Conclusion

The LMLK1-1RS4-29172-1 is a miniature circuit breaker which can be used in low-medium power circuits. It uses a magnet and armature assembly to cut off power in the event of an over-current, and a manual reset to restore the power when the issue has been resolved. It is best suited to domestic or light commercial applications, such as induction cooktops, boilers, and other home appliances where safety circuits are important.

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