SA2-5500-DLT-STD

Series:	SA2
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	5500V
Impulse Discharge Current (8/20µs):	5000A (5kA)
Tolerance:	-15%, +20%
Number of Poles:	2
Fail Short:	No
Mounting Type:	Through Hole
Package / Case:	Axial Cylinder

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Gas Discharge Tube Arresters (GDT) are an important component in the electrical protection of electrical systems. They are designed to protect the system against voltage transients caused by an overvoltage or lightning strike. They are used in a variety of applications, such as power transformers, motors, and lines.The SA2-5500-DLT-STD is a Gas Discharge Tube Arrestor that is designed for outdoor use. This arrester has an operating voltage range of 2.5kV – 5.5kV and a maximum continuous operating voltage of 6kV. It is manufactured with a stainless steel housing and has an insulation class of IP55. It is also equipped with two sets of contacts, one for power supply and one for alarm output.The SA2-5500-DLT-STD arrester can be used in many applications such as: transformer stations, distribution lines, motors, and any industrial and commercial buildings. It is designed to provide electrical and thermal protection for the system during normal operating conditions as well as overvoltage. The arrester is also designed to provide lightning and voltages transient protection.The working principle of a GDT arrester is based on the reverse breakdown of the gas inside the tube when an overvoltage is present. When an overvoltage occurs, the electrons are accelerated towards the cathode and the anode which causes an ionization of the gas in the tube making it conductive. The current then follows the path of the least resistance into the anode of the GDT. This process is known as reverse breakdown. During normal operation, the potential difference between the anode and cathode is maintained at a minimum.The SA2-5500-DLT-STD arrester is equipped with a peak current limit and surge monitoring unit. This unit is designed to measure the peak overvoltage during a lightning strike. If the limit is exceeded the arrester will initiate a disconnection between the power supply and alarm output. This is done to prevent any further damage and possible fire caused by an overvoltage.The SA2-5500-DLT-STD arrester also provides thermal protection. This is done by the use of a thermal fuse which is designed to disconnect the power supply and the alarm output once the temperature reaches a certain predetermined level. This thermal protection prevents any overheating of the arrester preventing any further damage to the system due to an overvoltage.The SA2-5500-DLT-STD arrester is also equipped with a maintenance indicator. This indicator is designed to indicate when the arrester needs to be replaced or cleaned. The maintenance indicator monitors the condition of the device and triggers an alarm when it detects an abnormality.In conclusion, the SA2-5500-DLT-STD arrester is a reliable and effective solution for voltage transient protection. It is designed to provide protection against overvoltages as well as lightning and voltages transients. It is also equipped with a maintainance indicator and thermal protection. All of these features combine to make it a reliable and effective solution for protecting electrical systems from voltage transients.

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