2038-42-SM

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Gas Discharge Tube Arresters (GDT) have been around for many years and have been described as the most reliable form of lightning protection for electronic equipment and software in most environments. 2038-42-SM gas discharge tube arrester is the latest of such power-protective devices, offering excellent protection for an array of highly sensitive electronic equipment in a broad range of operating conditions.

This unique GDT arrester is designed to shield user equipment from voltage and current spikes that can cause system damage, failure, or even render entire networks inaccessible. With a maximum DC sparkover voltage of 42V, the 2038-42-SM provides direct line-of-sight protection from the most common high voltage transients encountered by sensitive equipment, such as lightning and power line transients. It is particularly suited for data, telecommunication, and medical-imaging applications that demand superior protection from external power transients.

The 2038-42-SM GDT arrester is designed to conform to the most stringent UL/CSA/IEC/EN 4441 requirements. Its construction consists of multiple layers of metal oxide layers that create a durable dielectric barrier with low resistance and high breakdown voltage. Additionally, the 2038-42-SM also comes with shielded and insulated metalized shields that further protect the arrester from over-voltage/overload fluctuations. This combination of features, combined with its robust construction, makes it one of the most reliable GDT arresters on the market.

The working principle of a GDT arrester is fairly simple: when a sufficient electrical surge is detected at its terminals, the arrester immediately responds by discharging the energy onto an external ground connection, thus limiting the level of destruction caused to the system. In the case of the 2038-42-SM, this external ground connection is a secured metal connecting plate that is securely mounted on the main circuit board. This connection prevents the lightning surge from reaching the sensitive microelectronics of the device, thus saving them from destruction.

To ensure reliable performance, the 2038-42-SM is equipped with a robust static hold-down (SHD) capability. This feature allows it to remain in the location and in perfect functioning condition even after prolonged exposure to adverse environment conditions. The SHD ensures that the device remains in the same state of protection until the electrical surge dissipates and the arrester returns to its original position. This feature is particularly useful for highly sensitive equipment, such as medical imaging systems, which must be protected with the highest level of accuracy.

Finally, the 2038-42-SM features a built-in thermal cut-off mechanism that allows it to protect itself from thermal overloads by automatically shutting off its operation when the threshold has been reached. This feature ensures that the device is not subjected to any damage due to excessively high levels of current, thus prolonging its service life. Additionally, the 2038-42-SM also offers a convenient installation, with secure mounting holes and optional mounting brackets.

In summary, the 2038-42-SM GDT arrester is an excellent choice for providing adequate protection from both high voltage transients and thermal overloads in a broad range of operating conditions. The device is designed to conform to stringent UL/CSA/IEC/EN 4441 requirements, and offers reliable performance, a robust thermal cut-off feature, and convenient installation options. All of these features make the 2038-42-SM arrester an ideal choice for protecting sensitive electronic and software equipment in a variety of environments.

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