LELHK111-36877-30-V

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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Circuit Breakers

LELHK111-36877-30-V Application Field and Working Principle

Circuit breakers are electrical switches that are used to protect an electrical circuit from damage caused by an overcurrent or short circuit. They are designed to switch off the power automatically in the event of an overcurrent or short circuit fault. The LELHK111-36877-30-V is a heavy duty, low voltage circuit breaker (LV CB) used in various industrial and commercial applications such as in switching power from the main power supply to other components and systems.LV CBs are designed to detect and prevent hazardous or damaging electrical conditions. The primary function of an LV CB is to protect the circuit from its intended use. As an example, it can be used to protect switches from overloading and to prevent short circuits and related fires. When an overcurrent or short circuit occurs, the LV CB interrupt the power to the circuit, thus stopping the dangerous condition and protecting the circuit from damage. The LV CB works by comparing the value of the current flowing in the circuit to a predetermined level. When the level exceeds the predetermined threshold, the breaker trips, stopping the flow of current.The LELHK111-36877-30-V is designed to withstand high current levels and is suitable for low voltage applications up to 600V. It is UL 1077 tested and certified, compliant with IEC 60947-2, IEC 60947-3, IEC 60464-4, UL 489, UL 1066 and CSA C22.2. The LELHK111-36877-30-V features an adjustable test switch with an override button, a shunt trip, an auxiliary switch and a signal contact.The adjustable test switch allows the user to test the circuit prior to operation, ensuring that it is properly protected. The override button allows the user to manually interrupt the circuit if necessary. The shunt trip opens the circuit when an external voltage, such as that from a fire alarm system or from a security system, is detected. The auxiliary switch can be used to activate additional circuits or as an indicator of when the circuit is open or closed. The signal contact is used to selectively interact with the circuit, allowing the user to turn on or off components as needed.The LELHK111-36877-30-V is a reliable and robust circuit breaker, making it well suited for a variety of industrial and commercial applications. It provides reliable protection from potentially hazardous electrical conditions and is able to continuously monitor the current in the circuit. It is also designed for ease of use, with adjustable test switch, override button, shunt trip, auxiliary switch and signal contacts. The LELHK111-36877-30-V is a high quality, low voltage circuit breaker, suitable for a range of industrial and commercial applications.

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