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Circuit Breakers

Circuit breakers are utilized in electrical systems to prevent damage caused by excessive current flowing through the system. The LEGX11-1-63-20.0-AGZ-M3-V is a trip-free circuit breaker which is used to provide over-current protection for medium and high voltage circuits. It is designed and manufactured to meet the UL 1077 standard and is suitable for circuit protection in a variety of systems, including commercial, industrial, and residential.

Application Field

The LEGX11-1-63-20.0-AGZ-M3-V is designed for applications such as motor protection, HVAC, fire protection, and transformer protection in a variety of commercial, industrial, and residential settings. This trip-free circuit breaker is rated for operations up to 20 amps and provides fast, reliable, and accurate over-current protection for medium and high voltage applications. It is designed to meet the UL 489 and UL 489A standards and is suitable for use in UL 1077 systems.

Working Principle

The LEGX11-1-63-20.0-AGZ-M3-V circuit breaker utilizes a bimetal strip which changes shape in response to the current flowing through it. When too much current flows through the system, the metal strip deforms and quickly disengages the contacts, interrupting the flow of electricity and preventing further damage to the system. The trip-free design also prevents the circuit breaker from being reset when an over-current situation is present, providing additional protection for the system.

In addition to the bimetal strip, the LEGX11-1-63-20.0-AGZ-M3-V circuit breaker also employs a wide range of features to ensure accurate operation. These features include a fast-response, thermally conductive toroidal trip coil, a large jet spray magnetic trip coil, and an adjustable minimum pick-up current setting. Together, these features provide reliable over-current protection for medium and high voltage circuits.

The LEGX11-1-63-20.0-AGZ-M3-V trip-free circuit breaker is ideal for a variety of applications, providing accurate and reliable over-current protection for medium and high voltage systems. With its UL 1077 rating and thermally conductive toroidal trip coil, this circuit breaker is designed to meet the most stringent of safety standards and provide effective protection for any system.

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