AC240

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Gas Discharge Tube Arresters (GDT) are a type of surge arrester, which is a protective device used to protect circuits from voltage surges. The AC240 is a high-performance surge arrester designed and developed by Littelfuse Inc. It provides the ultimate protection against AC power surges from lightning, utility transients, malicious acts, and CEMF. The AC240 is ideal for high-voltage commercial and industrial applications, where high sustained voltage and quick response to transients are essential.

The AC240 is small in size, measuring at just 11mm diameter and 8mm in height, yet includes sophisticated internal technology to provide protection against AC power surges. This surge arrester is designed with two layers of gas. The first layer is a highly conductive copper mesh, which dissipates surface arcing and absorbs most of the voltage surge and residual voltage. The second layer is a transparent polycarbonate membrane, which is designed to release additional voltage up to a preset threshold voltage over a specified period of time, allowing the AC240 to limit excessive voltage overshoot.

The AC240 is also designed to have high thermal conductivity, which helps to dissipate heat buildup during arcing and switching operations. This helps to maintain performance and prevent over-current and thermal shut-down. This surge arrester also features a 9,000V rating that helps protect against transient overloads and short-term overvoltage conditions, ensuring reliable performance.

The AC240 also provides fast response times, allowing the surge arrester to quickly absorb and dissipate surge energy, ensuring that critical loads are protected. Additionally, the AC240 is designed with a gold plated lead frame to ensure long term reliability, even in harsh environments. As well, the AC240 includes an LED indicator, which will light up if the arrester is damaged or is no longer protecting the equipment.

The AC240 surge arrester is suitable for a variety of applications, including high voltage motor drives, LED lighting, elevators, and other heavy-duty commercial and industrial equipment. The AC240 is also designed with a unique internal architecture and construction, allowing it to operate dependably and consistently in extreme temperatures, humidity, dust, salt fog, pollution, and more.

The AC240 provides the ultimate protection against AC power surge currents, making it an ideal choice for high-voltage applications. With its small size, fast response times, gold plated lead frame, LED indicator, and reliable protection against voltage surges, the AC240 surge arrester is an excellent choice for commercial and industrial applications.

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