| 摘要 |
Disconnecting switch of a valve arrester, particularly for non-spark gap valve arresters, which consists of a temporary fastening operating under the increasing temperature, internal resistors and a hollow insulator characterised in that it has a series spark gap (7) single- or multi-gap, shorted by a bar electrode (5) going through extinguishing chambers (16) of the spark gap (7), whose contact end (6) is part of the temporary fastening.<IMAGE>
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