PMT3(310)23001

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Gas Discharge Tube Arresters (GDTs) are devices used to protect electrical systems from transient overvoltages, usually caused by lightning or switching surges. GDTs comprise a high-voltage-voltage breakdown element and a varistor (metal oxide varistor or MOV). When subjected to an overvoltage, the GDT will "break down" or fire, leaking current to ground and thereby protecting the system. First introduced commercially in the late 1990s, GDTs have become an increasingly popular choice for protecting electrical systems from transients and surges.

PMT3 (310) 23001 is a three-channel GDT manufactured by Raychem Corp. The three channels consist of a neutral, active and grounded channel. Its working principle is based on the metal oxide varistor (MOV) that is used in the circuit. When a surge voltage occurs, the MOV will activate and conduct a small portion of the surge current away from the system, thus protecting the electrical system from voltage spikes. The MOV also clamps down on the overvoltage, preventing further increase of the voltage, and helps control the discharge of the voltage. The MOV will deactivate once the surge pulse is complete, and will reset to its pre-surge state.

PMT3 (310) 23001 is mainly designed to be used as a transient protection device in the power systems of domestic and industrial establishments. Its design enables it to operate under all three-phase supply connections and is suitable for use in insulated or un-insulated systems. The device has high voltage breakdown characteristics with good current carrying capacity. It can also handle high surge currents up to 50 kA in each of the three channels. Its low response time and high surge capacity make it an ideal choice for protecting domestic, industrial and even industrial-level transient protection systems.

PMT3 (310) 23001 is simple to install and can be placed directly in the AC power line. The device also has an equivalent series inductor which helps reduce its reactance and increases the frequency response. This improves the performance of the protection device and reduces the overall voltage and current peaks during short circuit or other high voltage events. The device is also designed to withstand mechanical and environmental conditions, such as extreme temperatures, humidity, electromagnetic interference and other environmental factors.

In summary, PMT3 (310) 23001 is a three-channel GDT designed and manufactured by Raychem Corp. The device is designed to offer transient protection to power systems and can be used in domestic and industrial installations. It is easy to install and has good current carrying capacity. It can also handle large surge currents and has an equivalent series inductor to reduce its reactance and improve the frequency response. Its design enables it to withstand mechanical and environmental conditions, such as extreme temperatures, humidity, electromagnetic interference and other environmental factors, thereby making it an ideal choice for protecting electrical systems from transients and surges.

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