SL1021B250C

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Gas Discharge Tube Arresters (GDT) are an important component of electrical power distribution systems. They are used to protect electrical equipment from dangerously high voltage surges. These surge protective devices (SPD) are engineered devices which have a diversion of energy from a power surge in order to protect sensitive electrical and electronic equipment. GDTs provide protection against lightning, switchgear switching, and power system faults.

The SL1021B250C GDT arrester is a type II arrestor that provides superior lightning and transients protection. The SL1021B250C arrester is designed for medium voltage applications, with a maximum of 250 Vac (50/60 Hz) and can handle up to 5000 Amps. This equipment is suitable for a wide range of applications, including high-speed communication lines, power, and industrial. It is also suitable for outdoor and underground installation. This GDT arrester is made of polyurethane material with a stainless steel end plate and is designed with an internal arc chamber which allows for quick and reliable response.

The working principle of an SL1021B250C GDT arrester is based on a combination of several components – a spark gap, a series resistance and capacitance, and a tuned secondary spark gap. The spark gap is the primary component that detects the abnormal current, while the series resistance and capacitance provide the required damping to prevent unwanted arcing or sparking. The tuned secondary spark gap is used to limit the voltage across the primary spark gap. When a high voltage surge or lightning strikes, the spark gap is activated, and the surge of energy is dispersed, allowing the rest of the protected equipment to continue operating safely.

The SL1021B250C GDT arrester has many advantages such as higher energy handling capabilities, lower thermal stress, faster response time, and more reliable performance than other GDT arresters. Additionally, the stainless steel plates and polyurethane insulation provide superior mechanical protection and easy installation. This GDT arrester is also relatively inexpensive compared to other surge arresters, making it an excellent option for medium voltage power distribution systems.

In conclusion, the SL1021B250C GDT arrester is an effective solution for providing surge and lightning protection in medium voltage applications. This GDT arrester has a wide range of benefits including higher energy handling capabilities, faster response time, and superior mechanical protection. Furthermore, it is relatively inexpensive compared to other surge arresters, making it an economical choice for medium voltage power distribution systems.

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