SL1003A300C

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Gas Discharge Tube Arresters (GDT) are a type of electrical equipment used to protect against damage from lightning strikes, power surges and other transient voltage spikes caused by natural and man-made sources. The SL1003A300C GDT is a three-terminal device that offers excellent surge protection for a variety of applications. This article will discuss the application field and working principle of the SL1003A300C.

The SL1003A300C is a medium-voltage GDT that provides excellent protection against transient voltage spikes. It offers a combination of voltage and current protection that allows it to withstand higher currents than traditional GDTs without degrading performance. Its wide voltage ratings, from 600V to 4kV, make it suitable for most medium-voltage applications. This includes telecommunications equipment, power distribution systems, industrial and commercial equipment, and residential applications.

The SL1003A300C is designed to be easy to install and maintain. It has two terminal screws on the top for easy connection to the the power source, and two grounding screws on the bottom for system earthing. It also features an inspection window on the top for easy visual inspection of the arrester’s condition. This GDT can be used in conjunction with fuses and other circuit protection devices for additional protection against power surges.

The SL1003A300C is designed to operate with two different mechanisms. The first is resistive limiting, which is the process of gradually reducing the current flowing through the GDT as the voltage increases. This process occurs until the arrester’s voltage rating is reached, at which point the arrester’s temperature is increased and it becomes an open circuit. The second mechanism is linear voltage protection, which is the process of limiting the voltage across the device’s terminals when a transient voltage surge occurs.

The SL1003A300C is designed to protect against both overvoltage and overcurrent conditions. Its ratings are based on a 4kV surge, and it is capable of withstand high currents of up to 10kA. It is also designed to be surge resistant and is capable of withstanding 8kA of current for an extended period of time. The SL1003A300C is designed to be lightweight and compact, enabling installation in tight spaces.

In conclusion, the SL1003A300C GDT is a reliable and robust three-terminal device that offers excellent surge protection for a variety of applications. Its wide voltage ratings and robust surge protection make it ideal for medium-voltage applications, such as telecommunications equipment, power distribution systems, industrial and commercial equipment, and residential applications. Its two mechanisms of operation—resistive limiting and linear voltage protection—make it capable of withstanding high currents and extending its life expectancy. In addition, its lightweight and compact design make it easy to install and maintain in small spaces.

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