GTCN28-401L-P05

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Gas Discharge Tube Arresters (GDT) are components used to protect electrical systems and circuits from damage caused by power surges and lightning strikes. The GTCN28-401L-P05, specifically, is a gas tube arrester which is mainly designed for outdoor lightning protection. It is rated at 400KA 8/20 μs per phase.

The GTCN28-401L-P05 works by an electrical process called “avalanche breakdown”. When a voltage overload is applied to the GTCN28, the electrons gain enough energy to overcome the otherwise insulating barrier of the tube’s gas. This allows them to accelerate within the gas, creating a “charge avalanche” which further raises the local electric field. This rapidly increases current flow and dissipates the excess energy into the atmosphere.

This device can be utilized in a variety of applications requiring outdoor protection from over voltages. Key applications for the GTCN28-401L-P05 are telecommunications networks, LANs, data processing systems, solar converters, optical communication systems, and industrial control systems. These systems may be used in combination with lightning protection earthing systems to protect against external overvoltage impulses.

The GTCN28-401L-P05 features a built-in varistor, allowing it to performance efficiently in harsh environments. This device is UL and CE certified and is also protected against surges based on IEC61643-11. The device has a standard Type 5 surge current discharge capability of 10KA (8/20 μs) with a maximum discharge current of 40KA (8/20 μs). It is able to operate at temperatures between -40°C and +55°C with a response time of less than 10 μs.

The GTCN28-401L-P05 is suitable for applications requiring rapid response time and reliability. It is a low-cost solution for outdoor protection and can be applied for a wide range of applications. The device is designed to meet industry standards and is certified and tested both in the lab and in the field for quality assurance.

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