LELH111-29153-1

Series:	LEL
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	3
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

The LELH111-29153-1 is a circuit breaker. A circuit breaker is a device that trips or opens a circuit upon detecting an overload or short circuit, and prevents the harm that could be caused by the overload or short. It is a safety device and is an important part of a home\'s safety system. In this article, the application field and working principle of the LELH111-29153-1 circuit breaker will be discussed.

Application Field

The LELH111-29153-1 circuit breaker is designed for use in medium and high voltage industrial and commercial electrical switching systems. It is commonly used in three-phase circuits and can be used to protect motors, lighting, and other medium and high voltage appliances. The LELH111-29153-1 can be used in residential, commercial, and industrial settings.

Working Principle

The LELH111-29153-1 circuit breaker is a thermal-magnetic device. It uses two magnetically linked cores to detect overloads or short circuits. When an excessive current is sensed in the circuit, the two cores move in opposite directions, opening the electric circuit and preventing further harm that could be caused by the overload.The LELH111-29153-1 works in three stages. First, the \'thermal delay\' stage. This stage uses a bimetallic strip to detect the overload or short circuit current. When the current exceeds the set threshold, the bimetallic strip is heated and expands, opening the electrical contacts in the circuit. This opens the circuit and prevents further harm.Second, the \'short circuit protection\' stage. In this stage, the excess current is diverted past the contacts, preventing short circuits. Third, the \'magnetic release\' stage. In this stage, magnetic cores are used to detect an overload or short circuit. When the cores are activated, they open the circuit and prevent further harm.

Conclusion

The LELH111-29153-1 circuit breaker is an important safety device and is used in medium and high voltage industrial and commercial switching systems. It works on a thermal-magnetic principle, using a bimetallic strip and two magnetically linked cores to detect overloads or short circuits. When activated, the circuit breaker opens the circuit, preventing further harm.

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