2027-15-ALF

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Gas discharge tube arresters (GDT) are an important part of any electrical system, and they are used to protect valuable equipment and limit damage caused by lightning strikes or other faults. One of the more popular GDTs is the 2027-15-ALF model. This article describes the application field and working principle of the 2027-15-ALF model.

The 2027-15-ALF model is a surge protection device designed to protect against electrical disturbances such as voltage transients, or lightning strikes. It has a voltage rating of 15kV and is designed for line-to-ground protection applications, such as protecting AC power lines in telecommunications, industrial and commercial applications. This model can be used in both indoor and outdoor applications and is suitable for installations in temperatures ranging from -40°F to 140°F.

The 2027-15-ALF model is constructed from several components, with the core being the gas discharge tube. The gas discharge tube is a sealed container that contains an inert argon and nitrogen blend gas. This gas mixture creates a spark gap within the tube, and when a transient voltage surge passes through the tube, the spark gap across the electrodes activates and discharges the transient surge, thereby protecting the device connected to the surge protection device from the destructive energy of the surge.

The 2027-15-ALF model also contains a capacitor within the device. This capacitor is connected across the electrodes of the gas discharge tube and serves to limit the rate of rise and decay of the surge current. Additionally, the device has a metal oxide element which further helps in reducing the surge current.

The 2027-15-ALF model also has an in-built self-resetting mechanism. This mechanism helps to ensure that after the device has discharged a transient surge, it can reset itself and be ready to protect against the next transient surge. This feature is important as it helps to ensure that the device does not need to be replaced every time a surge is discharged.

In summary, the 2027-15-ALF model is a surge protection device that is designed to protect against transient voltage surges. It is constructed from several components, including a gas discharge tube, a capacitor and a metal oxide element, and has a self-resetting mechanism which allows it to reset itself and be ready to protect against the next transient surge. This device is suitable for installations in both indoor and outdoor applications and is designed for use in telecommunication, industrial and commercial applications.

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