Metal Oxide Zinc Resistor Disc for Lightning Arrester D42
Description:
Zinc Oxide Varistor is widely used in large filed of lightening protection,they are specified according to the voltage range that they can tolerate without damage. Other important parameters are the varistor's energy rating in joules, operating voltage, response time, maximum current, and breakdown (clamping) voltage. Energy rating is often defined using standardized transients such as 8/20 microseconds or 10/1000 microseconds, where 8 microseconds is the transient's front time and 20 microseconds is the time to half value.
Zinc oxide varistor is the core of the arrester,which main component is Zinc Oxide and with a small quantity of bismuth oxide, fluoride oxide, manganous carbonate, antimony oxide and other gleam of additive and made with high temperature.
The Parameters of the products
| Type |
D42x24 Metal Oxide Varistor(MOV) |
| Specification mm |
D42*24 |
| Voltage Gradient V/mm |
210~235 |
| Square Wave Test Valve |
400 |
| 4/20μ S High Current Withstand kA |
100 |
| 8/20μ S high current withstand kA / 5 kA |
9 |
| 8/20μ S high current withstand kA / 10 kA |
9.6 |
| DC1mA Refering Voltage kV |
5.35 |
| 0.75Times U1mA Leak current μ A < |
30 |
| Residual Votage Ratio |
1.79 |
| Aging Load Point Ratio% |
90 |
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Zinc Metal Oxide Varistor for Lightning Arrester Lightening Protection Images
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