2027-35-SM-RP

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The 2027-35-SM-RP Gas Discharge Tube Arresters are a popular piece of equipment used in high voltage transmissions. Gas Discharge Tube Arresters (GDT) are used to protect electrical systems & components from lightning strikes, surges, & high voltage transients. They provide a high-energy, low-resistance path for current to flow harmlessly through the arrester to ground. The 2027-35-SM-RP has a standing wave rating (SWR) of 35 and is designed for protection against lightning & transient voltages up to 1000 Volts.

The arrester consists of two main components: the Gas Discharge Tube (GDT) and the Resistive Path (RP). The GDT is constructed of a protective tube filled with a non-toxic gas mixture. Within the GDT is a small gap between two electrodes, where a spark discharge occurs when the voltage exceeds a critical level. This spark discharge is what safely dissipates any high-voltage surge or transient.

The RP is a wire wound inductive resistor, which is used to limit high frequency surges. The RP acts as a filter to prevent any high-frequency electrical noise from affecting the circuit it is protecting. In the 2027-35-SM-RP, the RP has a standing wave rating of 35.

The GDT and RP are connected together in series and then connected to the electrical system and to ground. The GDT is placed in front of the RP, so that any high-voltage surge that could damage the system will be dissipated by the GDT before reaching the RP. When a high-voltage transient passes through the GDT, it causes a spark discharge, which safely dissipates the energy through the RP and to ground. The RP’s low-resistance path also allows current to pass through quickly, limiting the amount of energy that can reach the protected circuit.

The 2027-35-SM-RP Gas Discharge Tube Arresters are ideal for high-voltage power line applications as well as other high-voltage electrical systems, providing unmatched protection against lightning and voltage transients. The arrester’s reliable design ensures that any major surge or transient is quickly and safely dissipated, protecting the circuit and components from damage.

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