LELK11-31658-100 Circuit Protection

Series:	LEL
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	2
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breakers are devices designed to protect electrical systems, from becoming overloaded or short-circuited due to excessive current. Low level leakage (LLL) circuit breakers provide a protective function known as “leakage protection”. Leakage protection is the ability to detect and react to a change in current that is outside the normal range of the system. The LELK11-31658-100 is one such circuit breaker and this article will explain its field of application and working principle.

Application Field

The LELK11-31658-100 can be used in a variety of applications, including residential, industrial, and commercial. It can be installed in power distribution systems, high voltage or low voltage systems, and DC or AC motor control systems. It is an ideal choice for applications which require a reliable and robust solution capable of automatically disconnecting the mains from a device or circuit on the detection of an over-energized state.

Operating Principle

The LELK11-31658-100 operates by detecting a change in current from the normal range that the equipment is used for. If the current level exceeds the normal operating level, the breaker is tripped to disconnect supply to the equipment, thus preventing damage or a potential fire hazard. The breaker is reset by depressing a manual trip button when the current returns to normal levels.To achieve this, the LELK11-31658-100 utilizes a dual stage coil-actuated mechanism. In the first stage, an electromagnetic coil actuates a pushrod that moves a contact arm and opens the main contact within the blade assembly. In the second stage, a mechanical latching mechanism is triggered, which ensures that the contact arm remains open once actuated, until manually reset.

Conclusion

The LELK11-31658-100 is an effective low level leakage circuit breaker that can be used in a variety of applications. It features a dual stage, coil-actuated mechanism and can detect changes in current that are outside the normal operating levels. It is a great choice for applications wherein a reliable and robust solution is required to protect electrical systems from overloading or short-circuiting.

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