SA2-6200-CLT-STD Circuit Protection |
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| Allicdata Part #: | SA2-6200-CLT-STDTR-ND |
| Manufacturer Part#: |
SA2-6200-CLT-STD |
| Price: | $ 1.04 |
| Product Category: | Circuit Protection |
| Manufacturer: | Bourns Inc. |
| Short Description: | GDT 6200V 20% 5KA THROUGH HOLE |
| More Detail: | Gas Discharge Tube 6200V 5000A (5kA) ±20% 2 Pole T... |
| DataSheet: |  SA2-6200-CLT-STD Datasheet/PDF |
| Quantity: | 5000 |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 1000 +: | $ 0.95256 |
| 2000 +: | $ 0.88452 |
| 3000 +: | $ 0.85050 |
| Series: | SA2 |
| Packaging: | Tape & Reel (TR) |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Active |
| Moisture Sensitivity Level (MSL): | -- |
| Voltage - DC Spark Over (Nom): | 6200V |
| Impulse Discharge Current (8/20µs): | 5000A (5kA) |
| Tolerance: | ±20% |
| Number of Poles: | 2 |
| Fail Short: | No |
| Mounting Type: | Through Hole |
| Package / Case: | Axial Cylinder |
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< body>Application Field and Working Principle for Gas Discharge Tube Arresters (GDT)
Gas Discharge Tube Arresters (GDT) are the most widely used form of lightning protection and surge protection devices worldwide. The SA2-6200-CLT-STD is a form of GDT made by Emerson Electric Co. that is specifically used for two-wire AC power sources.
The SA2-6200-CLT-STD is an AC three-phase current-limiting GDT which can limit the current value to less than 6KA. It has a high-voltage and a low-voltage connection. The high-voltage connection is connected from a lightning arrester to the line side of the AC circuit breaker while the low-voltage connection is connected from the phase side of the AC circuit breaker to the load.
The device limits currents rating at 6KA or lower due to its internal design which consists of multiple sections of GDT connected in a cascading sequence. The high-voltage connection is connected to the first section while the low-voltage connection is connected to the last section. The arrangement is such that the lightning current is diverted through each section sequentially as it passes through the GDT.
When a high energy surge is detected, the GDT will initiate several processes. First, the capacitance between the two terminals initiates a rapid equalization of potential between the two terminals. Then, the high voltage applied to the GDT causes it to break down the gas inside, releasing a large number of electrons. The electrons then interact with the electrodes inside the GDT, forming a conductive path that can limit the current flow. Finally, the residual voltage across the GDT is reduced and reset.
When the surge is over, the GDT returns to its normal state by resetting the residual voltage. This process is known as the resetting time and is usually shorter than 100 nanoseconds. The resetting time is essential for the proper functioning of the GDT since it prevents overvoltage across the terminals of the GDT.
The SA2-6200-CLT-STD is designed to offer protection against high voltage and high current discharges. Its design ensures that the surge voltage or discharge current is limited to a much lower value than what would otherwise occur in the circuit, so that the electrical equipments are protected from a possible inrush current. This device also helps to maintain the power system stability by providing large and fast discharges.
GDT devices are an ideal choice for surge protection due to their fast response times, high surge current rating, and easy installation. The SA2-6200-CLT-STD is well-suited for AC power sources, providing a reliable and long-lasting surge protection solution.