LEGBXF66-35287-20-V Circuit Protection

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Circuit breakers are widely used in electrical systems to protect them from potential damage. The LEGBXF66-35287-20-V is an example of one such device, a type of circuit breaker used to provide overload and short circuit protection in medium voltage equipment.

The LEGBXF66-35287-20-V operates as a circuit breaker by tracking electrical current flow and cutting power when necessary. A sensing element inside the device is continually monitored to determine when an overcurrent situation is occurring. Under normal working conditions, the amount of current is measured and provided to the required loads. However, when the device detects a fault or overcurrent, it quickly trips and breaks the circuit.

The LEGBXF66-35287-20-V is typically used in high voltage applications, such as industrial, marine, and offshore applications. It is designed to automatically open the circuit when a fault occurs and can be used in medium voltage equipment up to 16.78kV. Additionally, the device features multiple mechanical and electrical trips to the selection of user’s needs and qualifications, such as short-circuits, overloads, and overvoltages.

The device features two poles, HV and LV. The HV pole serves as the main disconnection device and is able to interrupt currents up to 8 kA with an arc current extinguishing time up to 3s. The LV pole is used to protect the equipment from different types of faults, such as overload and short circuit protection. It is designed to interrupt current up to 4 kA.

The LEGBXF66-35287-20-V has a number of features to help ensure the safety and protection of surrounding equipment. It features an extensive range of monitoring and diagnostic options that provide detailed information on the operation of the device. It is also equipped with an anti-racking lock which prevents the device from being operated or reset when it is in the open position, thus ensuring personnel safety. Additionally, the device is sealable and tamper proof to deter unauthorized use or access by personnel.

The working principle of the LEGBXF66-35287-20-V is quite simple. The device is constantly monitoring the electrical currents in the system. If it detects an overload or short circuit, it will trip and break the circuit. This prevents any further damage from occurring to the equipment and personnel in the area. The LEGBXF66-35287-20-V is designed for easy installation and replacement to keep equipment running efficiently and safely.

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