LEGH66-38223-20-V Circuit Protection

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A LEGH66-38223-20-V is an electronic circuit breaker, specifically a molded case circuit breaker (MCCB). An MCCB is a device used to detect, interrupt and separate electrical circuits during short circuits, overloads and earth faults. These faults occur when excessive current passes through a circuit, causing damage to the circuits associated components and potentially creating a safety hazard. The LEGH66-38223-20-V is capable of operating in temperatures from 0°C to +45°C, with up to 50A of current.

When a fault is detected, the LEGH66-38223-20-V will switch off, clearing the fault and isolating the circuit. It will then stay off until manually reset, or until the fault conditions have been cleared. The LEGH66-38223-20-V is a thermal-magnetic release device, meaning it operates using two systems: thermal and magnetic. The thermal system works by measuring the amount of heat generated by current passing through the device, and if the temperature becomes too high, the device will trip. The magnetic system works by monitoring the amount of current flowing through the device, and if it is too high, the device will trip.

The LEGH66-38223-20-V is commonly used in residential, commercial and industrial applications such as houses, offices, workshops, factories, control panels, HVAC equipment, pumps, compressors and generators. It is designed for applications with AC and DC loads, as well as current ranges from 6A to 50A. It is a UL489 listed circuit breaker, meaning it is compliant with UL standard 489, which is an internationally-recognised standard for circuit breakers.

The LEGH66-38223-20-V is a highly reliable and efficient device that is capable of providing a protective function over long periods of time. It is easy to install, with a simple and intuitive user interface making it ideal for a wide variety of applications. The device has been designed to be compact and lightweight, allowing for easy integration into existing systems. The device has been extensively tested and is compliant with all relevant standards, making it a cost-effective and reliable solution for any application.

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