2038-47-SMLF

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Gas Discharge Tube Arresters (GDT)

Gas Discharge Tube (GDT) arresters are specialized surge protection devices used for medium voltage protection in the event of voltage fluctuation or overcharge. They combine a gas filled tube with internal electrodes designed for reliable voltage regulation, as well as to safely absorb the exceeding energy of a surge. GDT arresters are widely applied in electric power systems, telecommunication and digital networks, lightning protection and RF field protection.

A new generation of GDT arresters has been developed in recent years. Named 2038-47-SMLF, these arresters feature a hybrid dual layer, which is a combination of zinc oxide (ZnO) varistor and GDT, with wider operating range and better safety performance. The 2038-47-SMLF GDT arresters are designed to protect sensitive electric equipment from overvoltage, surges and lightning. They provide superior protection by effectively grounding the excess energy produced by these events to prevent damage to connected electronics.

The 2038-47-SMLF arrester\'s working principle can be summarized in one sentence: Its valve action opens an internal switch to ground potential. To understand the working principle in detail, we must first understand the structure of the 2038-47-SMLF arrester. It is composed of an outer shell that encloses an inner core. The inner core is composed of two different materials, a zinc oxide (ZnO) varistor and a gas filled tube (GFT).

When the voltage exceeds a certain threshold, the current passes through the GFT and the ZnO element in the multiplex inside the arrester tube. The gas inside the GFT expands and creates a force that will break down and open the internal switch. This result in the current conducting to earth, so as to protect the downstream equipment by releasing the energy safely. The varistor then absorbs the rest of the energy and prevents any further transmission of electrical current.

The technologies and materials used in the 2038-47-SMLF arrester are designed to be extremely reliable and long-lasting. They can tolerate multiple surges and have an average service life of 50 years or more. The products also incorporate advanced features like built-in thermal fuses which provide additional protection against overtemperature. Furthermore, the 2038-47-SMLF arrester has a wide operating range design that can work in temperatures ranging from -40°C to 80°C.

The 2038-47-SMLF arrester is the result of cutting-edge research and development by leading experts in the power protection industry. Its superior performance, advanced features and high quality materials make it one of the most reliable surge protection solutions available today. This makes it ideal for use in a wide variety of applications, including electric power, telecommunication networks, lightning protection and RF field protection.

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