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surge arrester monitoring,
lightning arrester counter
Surge Counter Used in Substation Lightning Surge Protection Device
The Surge Counter 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|
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