LEGH66-1-63-20.0-L-01

Circuit breakers are critical components in any power distribution system. They are responsible for protecting equipment and people from electrical hazards. One such type of circuit breaker is the LEGH66-1-63-20.0-L-01. This article will discuss the application field and working principle of the LEGH66-1-63-20.0-L-01 circuit breaker. The LEGH66-1-63-20.0-L-01 circuit breaker is a three-pole air circuit breaker. This type of breaker is designed to protect and control medium-voltage distribution networks. It is intended to be used in a variety of applications, including distribution transformers, switchboards, motor starters, and other medium-voltage systems. It is capable of interrupting current up to 20 kA at 690 V AC. The LEGH66-1-63-20.0-L-01 features three functions: making, breaking, and short-circuit protection. The making function allows the breaker to close when it is needed, and the breaking function allows the breaker to open when it is no longer needed. The short-circuit protection function is also known as the trip function. This function trips the breaker when an excessive current, voltage, or power flow is detected, thereby preventing dangerous conditions from occurring. The LEGH66-1-63-20.0-L-01 operates using an electromagnetic mechanism that consists of a spring-loaded mechanism and an electric coil. When a current passes through the coil, it creates a magnetic force which moves the spring-loaded mechanism, thus closing the circuit breaker contacts. When the current flow is interrupted, the magnetic force vanishes and the spring-loaded mechanism moves, opening the contacts. For short-circuit protection, the breaker also has an overcurrent protection device. If the current flow is excessive, the overcurrent device trips, opening the contacts and interrupting the current flow. In addition to its primary functions, the LEGH66-1-63-20.0-L-01 also features a motion indication device. This device will indicate in the event of any contact motion, providing additional protection from electrical hazards. It also has a control button and switch for easy operation. The LEGH66-1-63-20.0-L-01 is a reliable and flexible circuit breaker that is ideal for use in medium-voltage distribution networks. Its three functions make it well-suited for its intended applications, and its motion indication device provides an extra layer of protection from dangerous conditions.

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