LEGBX66-37044-20-V

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Circuit breakers are one of the most common electrical components found in residential and commercial buildings. They are used to protect buildings from dangerous electrical surges and to prevent potential hazards due to electricity. The LEGBX 66-37044-20-V is a miniature circuit breaker specifically designed for control and protection of small-load electrical systems and circuits.

LEGBX 66-37044-20-V is a type 2 miniature circuit breaker with a rated voltage of 220 VAC and a rated current of 20A. It is suitable for both indoor and outdoor applications and can be used in environments with a surrounding temperature of -10 to 45 °C. It features double insulation protection and an overload protection trip setting of 280%. Besides, it is UL listed and CSA certified.

LEGBX 66-37044-20-V is commonly used in residential, commercial and industrial applications. It is commonly found in machine switch boxes, wall panels, solar panel systems, and other electrical applications.In electrical wiring and automation systems, it may be used in line protection, short circuit protection, overload protection, and current limiting control. The breaker also has the capability to trip even under low current, protecting electrical equipment during sudden voltage drops.

The working principle of the LEGBX 66-37044-20-V is based on the electromagnetic induction technology. When the current reaches the preset value, it activates the main thermal bimetal element. The bimetal element deforms and releases the operating lever connected, which cuts off the power supply. The bimetal element will go back to normal when the fault current disappears. When the current reaches a preset value, the breaker will trip again and the process will be repeated.

LEGBX 66-37044-20-V can be used in conjunction with other components such as auxiliary contacts, shunt tripping devices, and microprocessors. Auxiliary contacts are used to provide external signals for starting and stopping motors or other equipment, while shunt tripping devices are used to trip a circuit breaker remotely. Microprocessors can monitor circuit breaker operations, providing data for building automation systems.

The LEGBX 66-37044-20-V Miniature Circuit Breaker offers an excellent solution for protection and control of small-scale electrical systems. Its reliable overload and short circuit protection prevents electrical risks, while also providing current limiting control and remote tripping capability. With its double insulation protection and UL listing, the LEGBX 66-37044-20-V is an ideal choice for residential, commercial, and industrial applications.

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