Zinc-oxide Varistor
Specifications
Zinc-oxide varistor1.Diameter:50-58mm
2.Used:lightnng arrester
3.Reference voltage:4.6-5.5KV
4.Used in arrester
Usage:Used in arrester and insulator,Distribution,power station,Electric machinery
Pomanique has been manufacturing the metal-oxide varistor for years and acquired a lot of production experience. The varistor is manufactured in accordance with IEC and ANSI standards in ISO9001 certified factory. Every varistor is subjected to a series of physical and electrical tests to ensure the reliability and protective ability. The varistor with high level of over-voltage protection is widely used in all sorts of surge arresters now.
Detailed Specifications of Varistor:
| Modle | SIZE | Valtage at 1mA D.C. KV | Min. leakage current(A) at 75%U 1mA ≤u A | Ratio of votage of Residual voltage at 8/20us ligtning impulse and 1mA D.C. | current impulse withstand capability | |||||
| Outside Diameter | Inside Diameter | Height mm | 2ms recangular A | 4/10us high current KA | ||||||
| mm | mm |
5KA |
10KA | 20KA | ||||||
| D5 | 50±0.5 | 24±0.5 | 4.6-5.5 | 15 | 1.65 | 1.75 | 450 | 100 | ||
| 52±0.5 | 24±0.5 | 4.6-5.5 | 15 | 1.63 | 1.74 | 500 | 100 | |||
| 58±0.5 | 24±0.5 | 4.6-5.5 | 15 | 1.62 | 1.71 | 600 | 100 |
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