LELHK111-34550-20-V

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Circuit Breakers are essential in electricity networks, which serve an important role in preventing power surges, allowing electricity to be distributed safely. The LELHK111-34550-20-V is one such model of circuit breaker. It is easy to install and operated with an ergonomic handle. This article will explore the application field and working principle of the LELHK111-34550-20-V.

The LELHK111-34550-20-V circuit breaker is designed primarily for indoor use in low-voltage AC circuits. It is suitable for residential, commercial, and industrial use, as well as for applications such as motor control, motor starting, lighting control, and fire safety systems. It is also suitable for a variety of light and heavy industrial combinations and applications. The LELHK111-34550-20-V is designed to detect over-current faults in AC circuits and disconnect the current, thereby preventing any further damage from occurring. In addition, it can be installed with other protection devices to provide comprehensive protection.

The operation of the LELHK111-34550-20-V is based on electromagnetic technology. It is equipped with a thermal-magnetic trip unit, which is comprised of two elements: a thermal element and a magnetic element. The thermal element is linked to a bi-metallic strip, which responds to an increase in temperature by bending downwards. As the temperature increases, the current will increase, causing the bi-metallic strip to bend more and ultimately switch off the circuit breaker. The magnetic element responds to an increase in current by creating an electromagnetic force, which interacts with a spring. This causes the spring to compress, triggering the circuit breaker.

The trip unit of the LELHK111-34550-20-V is calibrated to ensure that the maximum allowed current is not exceeded. If an increase in current is detected, the bi-metallic strip will activate and the circuit will be switched off, preventing any further damage from occurring. Additionally, the unit is equipped with manual and automatic reset capabilities, allowing the breaker to be reset quickly and safely.

The LELHK111-34550-20-V circuit breaker is an efficient and reliable protection device for domestic, commercial, and industrial applications. It is easy to install and operate, and can detect over-current faults quickly and efficiently. The thermal-magnetic trip unit ensures that the current does not exceed the maximum allowed, and the automatic and manual reset functions provide additional safety. The LELHK111-34550-20-V is an essential device for any electricity network, and is ideal for providing safe and reliable protection in a variety of applications.

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