GTCN38-421M-Q10

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Gas discharge tube arresters (GDT) are protective devices made up of an insulating material and two electrodes, sometimes referred to as spark gaps. They are connected in parallel to an electrical power line or other type of system. GDTs are used to limit the growth and magnitude of voltage surges by diverting unwanted high voltages away from sensitive equipment and back to ground or the power source. The GDT38-421M-Q10 is a widely used GDT type which is suitable for a wide variety of applications.

The GDT38-421M-Q10 is an air-powered device that offers excellent protection against both short-term (<10ms) and long-term surges (>10ms) such as generated from lightning strikes or switching transients. The device\'s design allows for flexible mounting and is capable of withstanding voltages up to 420V with currents up to 10kA. It is certified compliant with IEC 61643-1 and UL 1449-4 standards, making it suitable for both residential and commercial applications. It also features an LED indicator, which shows the status of the device at all times. This device can be used in outdoor or indoor applications such as electrical equipment, power transformers, and substations.

The working principle behind GDTs is rather simple. The GDT38-421M-Q10 is designed specifically to respond quickly to sudden high voltage surges, such as those generated by lightning strikes or switching transients. When this occurs, the device conducts the energy away from sensitive equipment and back to either the ground or the power source. The device is made of an insulating material which allows it to break down in response to a surge, and then reform when the surge passes. This process helps to limit the growth and magnitude of the voltage surge.

Another important feature of GDTs is their reliability. They are designed to be extremely durable and reliable, as they are able to withstand high voltages and surges for long periods of time. This makes them an excellent choice for outdoor applications where the potential for a surge is greater than normal. Furthermore, the GDT38-421M-Q10 features an LED indicator which shows the status of the device at all times, allowing for quick and easy inspection of its current status.

In conclusion, the GDT38-421M-Q10 is a reliable and widely used GDT type designed to protect against both short-term (<10ms) and long-term surges (>10ms). The device is certified compliant with IEC 61643-1 and UL 1449-4 standards, making it suitable for both residential and commercial applications. Its working principle is based on the ability of the insulating material to break down in response to a surge, and then reform when the surge passes, while its LED indicator allows for quick and easy inspection of its current status. This makes it an ideal choice for applications where a surge is a possibility, such as electrical equipment, power transformers, and substations.

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