SH75 Circuit Protection

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Gas Discharge Tube Arresters (GDT) have been used in electrical systems for well over 100 years. SH75 series GDTs are now the preferred choice for many applications. These devices are typically used for surge suppression and lightning protection in power distribution systems.

The SH75 series GDTs are designed to protect electrical systems from transient over-voltages caused by lightning or switching surges. These devices provide an effective protection level by rapidly diverting excessive currents away from the system. They can provide protection from over-voltage transients up to 35kV.

The SH75 series GDTs are an all-metal construction, which allows them to be hermetically sealed. This makes them suitable for use in harsh environments and also ensures they are able to withstand high temperatures and resistant to corrosion. The design of the SH75 series GDTs also offers an extended life expectancy compared to other GDT designs.

The working principle of the SH75 series GDTs relies on the formation of an arc when the device is exposed to an excessive voltage. The arc is formed between two metal electrodes inside the device, which is then used to divert the electrical current away from the system. The arc can be triggered by a lightening strike or other electrical surge, and the device will reset itself when the surge has passed.

The SH75 GDTs are available in a variety of sizes and configurations, making them suitable for a wide range of applications. The devices can be used for protection of industrial machinery, power distribution systems, data centers, as well as telecommunications networks.

The SH75 series GDTs provide an effective level of protection from electrical surges and lightning strikes, making them the preferred choice for many applications. The devices are designed to be reliable, durable, and corrosion resistant, making them suitable for use in harsh and demanding environments. With their longer lifespan compared to other GDT designs, the SH75 series GDTs are an excellent choice for surge protection applications.

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