GTCA28-302M-R03

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Gas Discharge Tube Arresters (GDT) are commonly used for surge protection in a variety of applications, including the protection of power lines, communication lines, and control systems. The GTCA28-302M-R03 is a type of GDT designed for medium-voltage protection and pack the necessary functionality in a small form factor. This article will discuss the application field of GTCA28-302M-R03 as well as its principle of operation.

The GTCA28-302M-R03 is typically used in medium-voltage power systems, such as those between 35kV to 245kV. It can also be used for medium-voltage telecommunications, factory automation, and engineering systems. In these applications, it provides effective protection against overvoltage and transient fault conditions, such as lightning and switching surges. The device also boasts a wide operating temperature range of -40°C to 85°C, making it suitable for various environmental conditions.

Subsequent to the broad range of applications, the GTCA28-302M-R03 is suitable for any overvoltage protection application, from UVLO, motor control, and contactors, to a variety of semiconductor devices. In just a single package, the GTCA28-302M-R03 is capable of providing the necessary protection for all of these devices.

In terms of its working principle, the GTCA28-302M-R03 employs the two stage principle of gas-filled surge arresters. In this principle, a semiconductor is used in conjunction with the gas arrester. As voltages rise to a certain excessive value, the semiconductor switches to the on state, which triggers the gas arrester into operation and prevents further power surge damage.

The GTCA28-302M-R03 gas tube arrester is also equipped with an insulated tube to reduce the capacitance between its pins, further making it suitable for a variety of applications. Furthermore, the package also boasts an integral temperature indicator which provides a visual indication of the temperature of the device. This temperature is visible through a window in the arrester which also acts as a guard against moisture.

In addition to the temperature indicator, the GTCA28-302M-R03 also offers low maintenance and low cost. As the device needs no calibration or adjustment, its cost is kept at a minimum. Finally, it is also designed to be highly reliable and robust and offers an excellent performance-to-price ratio.

In conclusion, the GTCA28-302M-R03 is a type of Gas Discharge Tube Arresters that is designed for medium-voltage applications. It provides effective protection against overvoltage and transient fault conditions, is suitable for a broad range of applications, and provides a number of benefits including low maintenance and cost, integral temperature indicator, and excellent performance-to-price ratio. It is an ideal device for medium-voltage protection applications.

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