Air-break switches for high tension without arc-extinguishing or arc-preventing means

Industry

  • CPC
  • H01H31/00
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Sub Industries

H01H31/003Earthing switches H01H31/006adapted to be operated by a hot stick; Hot sticks therefor H01H31/02Details H01H31/023Base and stationary contacts mounted thereon H01H31/026Movable parts and contacts mounted thereon H01H31/04Interlocking mechanisms H01H31/06for interlocking between casing, cover, or protective shutter and mechanism for operating contacts H01H31/08for interlocking two or more parts of the mechanism for operating contacts H01H31/10for interlocking two or more switches H01H31/12Adaptation for built-in fuse H01H31/122Fuses mounted on, or constituting the movable contact parts of, the switch H01H31/125with a pivotally supported fuse, hanging on a fixed contact in the open position of the switch H01H31/127Drop-out fuses H01H31/14with bridging contact that is not electrically connected to either line contact in open position of switch H01H31/16with angularly-movable bridging contact or contact-carrying member H01H31/18actuated through the movement of one or more insulators H01H31/20at least one insulator being rotatable about its own geometrical axis H01H31/22wherein the contact or contacts are rectilinearly movable with respect to the carrying member H01H31/24with rectilinearly-movable bridging contact H01H31/26with movable contact that remains electrically connected to one line in open position of switch H01H31/28with angularly-movable contact H01H31/283wherein the contact or contacts are rectilinearly movable with respect to the carrying member H01H31/30actuated through the movement of one or more insulators H01H31/32with rectilinearly-movable contact H01H31/34with movable contact adapted to engage an overhead transmission line H01H31/36Contact moved by pantograph