LELBXK11-34719-20

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Circuit breakers are important components in many electrical systems. They are designed to effectively open and close circuits, while protecting the system from potential damage due to short circuits or other faults. The LELBXK11-34719-20 circuit breaker is a high-performance electrical switch designed for medium-sized and high-powered applications. In this article, we will explore its application field and working principle.

Application Field

The LELBXK11-34719-20 is a versatile circuit breaker intended for use in a variety of industrial, commercial, and residential applications. This high-performance switch is designed to deliver superior performance in high-voltage and high-power applications. Its high range of current settings, short response time, low fault level, and wide range of mounting options make it suitable for a variety of applications. It is an ideal choice for any application where a reliable, highly efficient, and compact circuit breaker is required.

The LELBXK11-34719-20 circuit breaker can be used in lighting systems, HVAC systems, pumps, motors, and many other industrial and commercial applications. The enclosed NEMA 4X enclosure provides complete protection against dust, water, and contamination from other environmental conditions. With its UL1077 certified manual reset option, this circuit breaker can be quickly reset to resume normal operation after any power interruption or overload.

Working Principle

The LELBXK11-34719-20 circuit breaker works on the principle of thermal-magnetic action. When a pre-set current level is exceeded, a bimetallic disk inside the switch expands due to the heat generated by the current, forcing two contact points apart and tripping the circuit breaker. At the same time, a magnetic trigger connected to the bimetallic disk is activated, generating a spark to further open the contacts. The two mechanisms work together to provide superior protection against over-currents, short circuits, and other electrical faults.

The LELBXK11-34719-20 circuit breaker can be configured for manual or automatic operation. In manual mode, the circuit breaker must be switched off manually when the current overload occurs. For automatic mode, the circuit breaker is programmed to trip automatically when the current level is exceeded, switching off power to the connected device and resuming normal operation when the current is reduced.

The LELBXK11-34719-20 is a high-performance circuit breaker designed for a variety of industrial, commercial, and residential applications. Its thermal-magnetic action provides superior protection against over-currents and other faults, while its wide range of current settings and short response time make it an ideal choice for any application where a reliable and highly efficient circuit breaker is required.

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