Allicdata Part #: | 2028-42-CFLF-ND |
Manufacturer Part#: |
2028-42-CFLF |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | Bourns Inc. |
Short Description: | GDT 420V 20% 20KA T/H FAIL SHORT |
More Detail: | Gas Discharge Tube 420V 20000A (20kA) ±20% 3 Pole ... |
DataSheet: | 2028-42-CFLF Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | 0.00000 |
Series: | 2028 |
Packaging: | Tray |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Voltage - DC Spark Over (Nom): | 420V |
Impulse Discharge Current (8/20µs): | 20000A (20kA) |
Tolerance: | ±20% |
Number of Poles: | 3 |
Fail Short: | Yes |
Mounting Type: | Through Hole |
Package / Case: | Axial Cylinder, 3 Lead (T-Shape) |
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Gas Discharge Tube Arresters (GDT) is a form of electrical protection that utilizes a low-power gas-filled electric field to limit current flow in an electrical system. This type of protection is commonly used in power distribution networks, telecommunication systems, and even in automotive applications. The GDT operates by limiting the transformer current threshold, thus preventing damaging and disruptive transients. In this way, the GDT can reduce equipment downtime and prevent loss of electrical service.
2028-42-CFLF is a type of GDT that is specifically designed for power distribution systems. It is made up of two major components: the hot discharge tube and the DC blocking resistor. The hot discharge tube is responsible for limiting the current flow in the system, while the resistor is used to reduce stray voltage when the tube’s current limitation is exceeded. Other components of the GDT include a series resistor, a surge limiter, and a reverse current blocker.
The 2028-42-CFLF works by limiting the maximum current that can flow through a transformer. The device does this by reacting to voltage in the circuit. If the voltage of the circuit exceeds the specified value, the device becomes saturated, activating an internal switching mechanism that limits current flow. This process is known as the charge/discharge process. When the rated voltage is reached, a reverse current flows, limiting the voltage on the transformer. This protects the transformer from damage due to overspeed or overloading. The GDT also provides a second level of protection by providing a current limitation at a higher voltage.
In addition to protecting the transformer from damage due to overspeed or overloading, the 2028-42-CFLF also provides a number of other features. For instance, it has built-in surge suppression, as well as a fail safe, short circuit protection. It also provides noise suppression and can be programmed to automatically reset after a power outage.
The 2028-42-CFLF is typically installed in an outdoor environment, such as in a power substation. It should be safely secured, and all installation and maintenance should be done according to the manufacturer\'s instructions. With proper installation and maintenance, the 2028-42-CFLF can provide reliable protection from overspeed and overloading.
The specific data is subject to PDF, and the above content is for reference
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