2049-47-BLF

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A Gas Discharge Tube Arresters (GDT) is a device that is used to protect electrical circuits from damage due to external or internal overvoltage or overcurrent. GDTs are typically used in high voltage applications, such as power transmission and distribution systems, and are usually constructed of two ceramic insulators with a metal shield between them. The ceramic insulator acts as a dielectric, while the metal shield creates a spark gap between the two elements. As voltage and current build up within the system, the spark gap will breakdown and discharge an electric current to protect the system from damage. The 2049-47-BLF application field and working principle of GDTs is explained in detail below.

The primary purpose of the 2049-47-BLF application field is to provide an economical range of overvoltage protection products with high current handling capacity. It offers complete protection from transient overvoltages caused by lightning, electrical fault, or atmospheric disturbances. The 2049-47-BLF application field also provides protection from radio interference (RFI). These units are designed for both indoor and outdoor installation and feature a polyester powder coated aluminum enclosure.

The working principle of the 2049-47-BLF application field is based on the protection of electrical circuits from damage caused by overvoltage or overcurrent. As the voltage and current build up within the system, the spark gap between the two elements begins to breakdown and discharge an electric current. The electric current passes through the arrester, protecting the system from damage. The arrester contains two elements: a Zinc Oxide Varistor (ZOV) and a Gas Discharge Tube (GDT). The ZOV acts as a voltage regulator, while the GDT acts as an overvoltage absorber. When the GDT senses an overvoltage, it discharges current and absorbs the excess voltage. The ZOV then works to reduce the voltage that passes through the arrester.

The 2049-47-BLF application field and working principle provides a protective function to power distribution networks that require a reliable protection against intermittent overvoltages. GDTs provide excellent protection against fault currents in situations where a Solid-State Variator (SSV) may not be able to respond fast enough. With its high current handling capacity, the 2049-47-BLF application field and working principle ensures uninterrupted power supply for critical installations and processes.

In conclusion, the 2049-47-BLF application field and working principle provide an economical and reliable means of protecting electrical circuits from damage due to overvoltage or overcurrent. The combination of ZOV and GDT provides optimal protection against intermittent overvoltages, while still offering excellent protection against fault currents. Additionally, with its high current handling capacity, this GDT is an ideal choice for critical power distribution systems.

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