LEGBX66-34443-20-V

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Circuit Breakers – LEGBX66-34443-20-V Application Field and Working Principle

Circuit breakers are used for protecting electrical equipment and systems from damage due to overloads and short circuits. The LEGBX66-34443-20-V is one of the most popular types of circuit breaker on the market today. This article will go over its application field, as well as its working principle.

Application Field of LEGBX66-34443-20-V Circuit Breakers

The LEGBX66-34443-20-V is a low-voltage circuit breaker used primarily in residential and commercial settings. It is often used as a main breaker in separate-pole electrical service panels. It is also used as a sub-breaker in larger panels supplied with a higher-amperage. This type of circuit breaker is typically used with type BR and type CH set-ups.

Working Principle of LEGBX66-34443-20-V Circuit Breakers

The working principle behind the LEGBX66-34443-20-V circuit breaker is as follows. The device is designed to sense any changes in the current flow, either due to an overload or a short circuit. When the current flowing across the circuit exceeds the breaker’s rated level, the breaker will trip and open the circuit, thus protecting the equipment from damage. The breaker does not reset itself without first being manually reset.

The LEGBX66-34443-20-V features an adjustable current sensitivity setting. This allows the user to set the minimum level of current that will cause the breaker to trip. This setting also allows the user to select either short-circuit protection or overload protection. When correctly adjusted, the breaker can provide effective protection against both types of fault.

The LEGBX66-34443-20-V also comes with an indicator light. This light informs the user when the breaker has tripped and when it needs to be reset. This feature makes it easier for the user to operate the breaker safely and efficiently.

Conclusion

The LEGBX66-34443-20-V is a low-voltage circuit breaker and is often used in residential and commercial settings. It is designed to provide protection from both overloads and short-circuits. The adjustable current sensitivity and indicator light make it easy to use and ensure proper protection. Thus, the LEGBX66-34443-20-V circuit breaker is an ideal choice for many different electrical applications.

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