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Lightning Arrester
















                        (220、380V)



















                              12KV               24KV               66KV               110KV





          Porcelain Housed Metal Oxide Surge Arrester With Series Gaps

                                                             Max current impusse Residual
                                     Nominal  MCOV    Direct         voltage            2ms      4/10μs  0.75Direct
                                                                                                  High
                                                     (U1mA)
           Service   Type     Rated  voltage  (virtval   reference  1/4μs  8/20μs  30/60μs  Rectangular  current  reference
                                     (virtval
                                                                                        current
           condition         voltage  value)  value)  voltage  steep  Lightning  Lightning  impulse  impulse  current
                                                                             impulse
                                                                     impulse
                                      KV      KV      ≥Kv    current  Residual  Residual  withstand  with stand  μA
                                                             impulse  Voltage  Voltage             KA
                  Y5WZ-42/134  42      35      23      73     154     134     114
                  Y5WZ-51/134  51      35     40.8     73     154     134     114
           Substation
           (Z)       Y5WZ-                                                              150        65      50
                    52.7/134  52.7     35     40.8     73     154     134     114
                   Y5W-54/134  54      35      41      73     154     134     114
                   Y5W-75/215  75      66      60     123     248     215     183
                   Y5W-90/224  90      66     72.5    130     258     224     190
           Substation Y5W-100/260  100  110    78     145     291     260     221       400        65      50
                  Y5W-102/260  102    110     79.6    148     297     266     226
                  Y5W-108/281  108    110      84     157     315     281     239
                  Y10W-75/250  75      66      60     127     288     250     213
                  Y10W-75/223  75      66      60     127     256     223     190
                  Y10W-75/230  75      66      60     127     265     230     196
           Substation                                                                   600       100      50
                  Y10W-90/224  90      66     72.5    130     258     224     190
                  Y10W-90/232  90      66     72.5    130     266     232     198
                  Y10W-90/235  90      66     72.5    130     270     235     201
                  Y10W-10/260  100    110      78     145     291     260     221
                     Y10W-
           Substation  102/226  102   110     79.6    148     297     266     226       600       100      50
                     Y10W-
                    108/281   108     110      84     157     315     281     239
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