SL1021A145C

Series:	SL1021A
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	145V
Impulse Discharge Current (8/20µs):	10000A (10kA)
Tolerance:	--
Number of Poles:	3
Fail Short:	No
Mounting Type:	User Defined
Package / Case:	Cylinder No Lead, 3 Terminal

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Gas Discharge Tube Arresters (GDT): SL1021A145C Application Field and Working PrincipleGas Discharge Tube (GDT) arresters are an essential component in modern electrical systems. They are used to protect other components from potential reactive voltage transients such as lightning, power surges, or sudden changes in the connected system. GDT arresters have been used for decades, and have evolved with improvements in reliability and performance.The SL1021A145C GDT arrester is an example of a state-of-the-art device manufactured by KEC Incorporated. This device is a low-capacitance, high-speed, two-electrode spark gap arrester. It has been designed for use in medium-voltage applications up to 34.5 KV, and can be used to protect circuit breakers, transformer windings, and capacitor banks.The SL1021A145C has an asymmetrical construction, which allows for easier installation in most transformers, breakers, or other circuit components. The two electrodes of the arrester have different shapes and sizes, meaning that it can operate in both direct and reverse currents. The device is also highly resistant to corrosion, temperature, and pressure, and is capable of enduring extreme weather conditions.The working principle of a GDT arrester is based on the same principles that govern arc extinction in an electrical circuit. When a surge of current is introduced to the system, the gap between the electrodes of the arrester is ionized, creating a path for the current to flow. The current flow between the electrodes causes a spark, which quickly fatigues the gas molecules in the gap and extinguishes the arc. This helps to prevent any further damage to the components of the system.The SL1021A145C GDT arrester is designed to handle sudden surges in voltage, and can operate over a wide range of frequencies. It has an excellent lightning protection capability and low residual voltage, making it an ideal choice for protecting low and medium voltage equipment from voltage transients. Additionally, the SL1021A145C is reliable and has a long life expectancy, making it a cost-effective choice for protection. The SL1021A145C GDT arrester is an essential component for any medium-voltage system. It is capable of acting quickly to protect sensitive equipment from sudden voltage surges, and provides reliable protection with minimal maintenance required. In addition to its safety and performance benefits, it is also cost-effective and long-lasting, making it an ideal choice for protecting electrical systems.

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