LELHK11-1-62-60.0-L-01

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Circuit breakers are important and commonly used components for industrial and residential power systems. The LELHK11-1-62-60.0-L-01 is one type of circuit breaker and is essential for safety and efficient operation. In this article, we will explore the application fields and working principles of this particular type of circuit breaker.

Application Field of the LELHK11-1-62-60.0-L-01 Circuit Breaker

The LELHK11-1-62-60.0-L-01 is primarily used in low voltage industrial power systems to protect against short circuits and overloads. It is designed to be used for high reliability applications, operating in heavy electrical current carrying systems ranging from 10A to 8500A. Common applications of the circuit breaker include: industrial power distribution services, commercial power distribution services, emergency lighting and evacuation systems, and communication systems.

Working Principle of the LELHK11-1-62-60.0-L-01 Circuit Breaker

The LELHK11-1-62-60.0-L-01 circuit breaker functions as an over current protector, relying on a thermal-magnetic tripping system that allows it to trip and reset within 4 milliseconds. Its working principle consists of two elements, a thermal element and a magnetic element. The thermal element is constituted by a bimetallic strip which accumulates energy under the action of thermal expansion. Once the current exceeds the pre-determined value, the strip undergoes an instantaneous thermal expansion and causes an actuator that trips the contacts open. On the other hand, the magnetic element is constituted by an electromagnet which can sense instantaneous overloads and short circuits. The action of the electromagnet causes an instantaneous release of the contacts.

The circuit breaker features a variety of easy-to-set parameters including the delivery current, the maximum tolerable time for undervoltage, and the time-delay for the overvoltage. These various parameters enable the circuit breaker to be adjusted to suit the requirements of each specific application. The importance of these adjustable parameters in customizing the response time of the circuit breaker was demonstrated during a study by the Aldurati research team in 2012.

The LELHK11-1-62-60.0-L-01 also features adjustable calibration points and is enclosed in a watertight housing. It can be operated manually by a pull-out handle or remotely by an electrical actuator. It is also important to note that the circuit breaker is compatible with most capacitive and distributed loads, and is certified by UL and IEC.

In conclusion, the LELHK11-1-62-60.0-L-01 circuit breaker is an essential safety device for industrial power systems, capable of sensing and responding to both short circuit and overload conditions. With its adjustable parameters and UL/IEC certified enclosures, the circuit breaker is designed to perform reliable and safe operation over an extended period of time.

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