GTCA26-251M-R05

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Gas Discharge Tube Arresters (GDT) are electrical devices used to protect electrical equipment, such as power plants, distribution networks, and substations, from lightning strikes and other electrical faults. The GTCA26-251M-R05 is a type of GDT arrester that is designed for use in environments with high voltage and electrical transient currents. It is a single-stage GDT with a nominal voltage rating of 250 kV.

The GTCA26-251M-R05 employs a variety of protective measures to prevent potential damage to equipment. First, it utilizes an internally-mounted gas discharge tube (GDT) to reduce electrical disturbances and reduce the voltage across the arrester when active protection is needed. Additionally, the turret-type arrester design includes a three-layer metal oxide varistor element (MOV) that limits the discharge voltage of the tube. The MOV is protected by a surge limiter circuit to protect the arrester circuit and connected equipment.

The GTCA26-251M-R05 can be used in telecommunication applications and distribution networks where high brightness can be harmful to static charges. In these applications, it is able to reduce noise and improve signal quality. Additionally, it can be used to protect industrial facilities from lightning damage. It has a high insulation strength and a maximum sparkover voltage of 3kV.

The GTCA26-251M-R05 is designed for operation with electricity of both AC and DC. The GDT device is housed in a surge arrestor and is composed of an internal metal oxide semiconductor (MOS) which is capable of withstanding high voltage, and a spark gap for high current-resistance in overvolatge conditions. A surge limiter circuit is integrated to protect the MOV from the transient voltages and currents of lightning strikes.

The GTCA26-251M-R05 is designed to be used where safety is paramount and where reliability is crucial. It is a low impedance device that helps protect equipment from over-voltage and current. It can be used in telecom applications where it is able to reduce noise and improve signal quality, in industrial facilities for lightning surge protection, and in distribution networks where it is able to develop a strong electrical discharge to dissipate electric charges.

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