| 摘要 |
This invention deals with a new chamber meant to be used in insulating operation shafts or rods, with a view to disconnect electric switches, connect them again, or, besides, to act as contactors, so as to extinguish the electric are formed during the operation, specially in medium and high voltage overhead lines. In its general lines, the innovation consists in a chamber for breaking and/or re-connecting of section switches quencher of electric arc formed by an insulated body in the interior of which there is arranged an actuating movable contact in one or two fixed contacts, this movable contact being driven by a shaft provided in the chamber and tripped by a spring assembly provided in an appropriate mechanism, said chamber being closed and sealed, containing in its interior sulfur hexafluoride gas (SF6) under pressure.
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