LELK1-30299-173-V

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

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Introduction to Circuit Breakers

A circuit breaker is an electrical device designed to protect a circuit from damage caused by overload or short circuit conditions. Circuit breakers are used in electrical systems to protect against short circuits, overloads and other potential damaging events. Circuit breakers work by tripping, which means they open the circuit and interrupt the flow of electricity. In today’s technological world, circuit breakers are used in many applications and industries. They are an essential part of any energy system, whether it is a small local system or a large complex one. Circuit breakers are commonly used in residential, commercial and industrial installations, as well as in data centers, medical institutions and other applications.

LELK1-30299-173-V Application Field and Working Principle

The LELK1-30299-173-V is an industrial-grade magnetic circuit breaker manufactured by Siemens. It is designed for medium voltage applications, such as in utilities, industrial and commercial settings. It is designed to protect equipment from overvoltage and short circuit events in accordance with UL 489 and IEC 60947-2.The LELK1-30299-173-V circuit breaker is designed with a reliable and highly sensitive trip mechanism, which is suitable for medium voltage applications. It features an adjustable instantaneous current setting and an adjustable long time pick-up, allowing for the adjustment of the settings to meet the requirements of the application.The LELK1-30299-173-V also has adjustable settings for thermal protection and overload current protection. Thermal protection is used to protect the equipment from excessive temperatures, while the overload current protection helps to prevent overloads and short circuit conditions, which can lead to damage.The operation of the LELK1-30299-173-V circuit breaker is based on an electro-magnetic system. A coil produces a magnetic field, which, when current flows through the system, causes the reed contact to move and open the circuit as soon as a pre-set maximum current is reached. The pre-set maximum current is adjustable and is selected depending on the application.

Conclusion

The LELK1-30299-173-V is a highly reliable circuit breaker designed for use in medium voltage applications, such as in utilities, industrial and commercial applications and data centers. It is designed with adjustable settings for thermal and overload protection, featuring an adjustable instantaneous current setting and an adjustable long time pick-up. It is based on an electro-magnetic system, which produces a magnetic field when current flows through it and opens the circuit as soon as a pre-set maximum current is reached.

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