2026-20-C3FLF

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Gas Discharge Tube (GDT) Arresters are extremely important components of electrical networks. They are used to protect against transient surge currents and problems associated with lightning strikes, such as power outages, equipment damage, and even fires. The 2026-20-C3FLF arrester, made by Chint, is an advanced gas discharge tube arrester that is designed to protect systems from overvoltages and faults with its impressive performance parameters.

Features:

• Nominal Discharge Current: 2 kA
• Protection Class: Up to 10 kV
• Surge Suppression Rating: Type 2+3
• Peak Clamping Voltage: Under 150 V

Working Principle

The 2026-20-C3FLF arrester is based on the principle of electrical breakdown of the gas inside a sealed tube. When a high voltage surge arrives, an electric field forms inside the gas, and it eventually reaches a level where the gas starts to break down and conduct current. This causes a spark inside the tube, reducing the surge to a safe potential. This spark continues until the current is down to zero, at which point the arrester shuts off and the system is protected.

Applications

The 2026-20-C3FLF arrester is primarily used to protect low-voltage systems from overvoltage and fault current conditions. It is ideal for use in transformer structures, main switchgear, and power distribution networks where it can protect against transient voltage spikes, lighting surge protection, and other lightning-related problems. It can also be used to protect low-voltage systems from transient overvoltages generated by large-capacity loads in motors and other equipment.

Advantages

• High lightning performance
• Low energy let-through
• Self-healing feature
• Protection against high-intensified magnetic fields
• Significant reductions in maintenance and labour costs

Conclusion

The 2026-20-C3FLF GDT arrester is an advanced and reliable solution for protecting low-voltage electrical systems from overvoltage and fault conditions. It offers an excellent combination of lightning protection, low energy let-through, and self-healing characteristics, making it ideal for critical applications where downtime and reliability are paramount. It is also cost-effective and easy to install, making it an ideal choice for a wide range of applications.

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