JS-8 is connected under the arrester in serial, it isused for recording the operating times of arrester. JS-8 type is allied for 6KV -220KV arrester. The environment condition shall meet the requirement of the arrester, for example, the altititude doesn’t exceed 4000m, the environment temperature is -40 Centigrade, the counter can’t be put in the place that includes gas eroding metal and insulation parts, serious pollution and drastic vibration.
| specification | Nominal current | Min. operating current under 8/20μs (A)peak | Max. operating current under 8/20μs (A)peak | Residual voltage lightning impulse current≤ | 2ms rectangular current impulse | High current impulse | Powefrequency current withstand |
| JS-8 | 10 | 50 | 10 | 1.5 | 1200 | 120 | 20 |
Manufacturer of power transmission and distribution equipments.
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