| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 06/05/2013 | CN101361151B Vacuum switchgear assembly, system and method |
| 06/04/2013 | US8455780 Low-voltage, medium-voltage or high-voltage assembly |
| 05/30/2013 | WO2013076892A1 Gas-insulated device for electrical use |
| 05/30/2013 | WO2013075931A1 Pole shell for a circuit breaker |
| 05/30/2013 | WO2013075929A1 Switch pole for a circuit breaker |
| 05/30/2013 | US20130134132 High power electrical switching device |
| 05/29/2013 | EP2596513A1 Pressure propelled contact system for gas circuit breaker interrupter |
| 05/29/2013 | CN202957196U Three-phase alternating current 50Hz outdoor high-voltage vacuum circuit breaker |
| 05/29/2013 | CN202957195U Modular spring operating device and vacuum circuit breaker |
| 05/29/2013 | CN202957194U Stress-resisting cover plate for vacuum arc extinguishing chamber |
| 05/29/2013 | CN202957193U Insulating cylinder |
| 05/29/2013 | CN202957192U Flexible coupling and conductive block fixing structure for low-voltage vacuum circuit breaker |
| 05/29/2013 | CN202957191U Vacuum circuit breaker |
| 05/29/2013 | CN202957190U Intelligent circuit breaker |
| 05/29/2013 | CN202957189U Intelligentized vacuum circuit breaker solid-sealed polar pole |
| 05/29/2013 | CN202957188U Novel modularized vacuum breaker |
| 05/29/2013 | CN202957187U Pedestal of vacuum circuit breaker on outdoor column |
| 05/29/2013 | CN202957186U Injection moulding type pole |
| 05/29/2013 | CN202957185U Spring operation mechanism used for inflatable insulation switch cabinet |
| 05/29/2013 | CN103125008A Medium voltage circuit breaker arrangement operated by special transmission means |
| 05/29/2013 | CN103123884A 触头弹簧装置 Contact spring means |
| 05/29/2013 | CN103123882A Intelligent controller of bistable permanent-magnet vacuum circuit breaker |
| 05/29/2013 | CN103123881A Three phase total box vacuum circuit breaker and circuit breaker toggle mechanism thereof |
| 05/29/2013 | CN103123880A Transmission shaft for circuit breaker and circuit breaker poking mechanism using same |
| 05/29/2013 | CN103123879A Isolating switch for outdoor high-voltage vacuum circuit breaker |
| 05/29/2013 | CN103123878A Three-phase one-tank vacuum circuit breaker and main loop structure thereof |
| 05/29/2013 | CN103123877A Integrated grounding switch |
| 05/29/2013 | CN103123876A Solid-sealed polar pole of vacuum arc-extinguishing chamber |
| 05/29/2013 | CN103123875A Insulated sealing device of solid-sealed polar pole of vacuum arc-extinguishing chamber |
| 05/29/2013 | CN103123874A Outdoor high-voltage alternating-current automatic recloser |
| 05/29/2013 | CN103123873A Bypass disconnector |
| 05/29/2013 | CN101499384B Vacuum bulb for an electric cut-off device at least providing the function of a disconnecting switch |
| 05/28/2013 | US8450630 Contact backing for a vacuum interrupter |
| 05/28/2013 | CA2699189C Arc resistant switchgear vertical exhaust system |
| 05/28/2013 | CA2632029C Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
| 05/23/2013 | WO2013074283A1 Vacuum switch and electrode assembly therefor |
| 05/23/2013 | WO2013071980A1 Hvdc hybrid circuit breaker with snubber circuit |
| 05/23/2013 | WO2013071971A1 An interlocking mechanism for switching devices |
| 05/23/2013 | US20130127571 Contact device and electromagnetic switch using contact device |
| 05/23/2013 | US20130126481 Arc-control chamber gear for two confined contact electrodes |
| 05/23/2013 | US20130126480 Circuit-breaker pole part and method for producing such a pole part |
| 05/23/2013 | US20130126479 Method for producing a circuit-breaker pole part |
| 05/23/2013 | DE102011086808A1 Schalterpol für einen Leistungsschalter A pole for a circuit breaker |
| 05/22/2013 | EP2593954A1 Interrupter tube switchgear for two confined contact electrodes |
| 05/22/2013 | EP2593953A1 Method for producing a circuit-breaker pole part |
| 05/22/2013 | EP2593952A1 Control arrangement |
| 05/22/2013 | EP2593951A1 Fail-open mechanism for motorized switch |
| 05/22/2013 | CN202948882U High voltage vacuum switch |
| 05/22/2013 | CN202948881U 高压真空开关 High-voltage vacuum switch |
| 05/22/2013 | CN202948880U 高压开关 High voltage switch |
| 05/22/2013 | CN202948879U Intelligent integrated controller for permanent magnet vacuum circuit breaker (VCB) |
| 05/22/2013 | CN202948878U Novel guide sleeve of vacuum arc-extinguishing chamber |
| 05/22/2013 | CN202948877U Contact of vacuum arc-extinguishing chamber |
| 05/22/2013 | CN202948876U High voltage switch |
| 05/22/2013 | CN202948875U High voltage permanent magnetic type vacuum circuit breaker |
| 05/22/2013 | CN202948874U High voltage breaker |
| 05/22/2013 | CN202948873U Indoor alternating-current high-voltage vacuum load switch |
| 05/22/2013 | CN202948872U 真空断路器 Vacuum Circuit Breaker |
| 05/22/2013 | CN202948871U Insulation plate of pole post |
| 05/22/2013 | CN103119680A Fibre reinforced insulation material for embedded vacuum interrupters |
| 05/22/2013 | CN103119679A Tap changer and vacuum switching tube for such a tap changer |
| 05/22/2013 | CN103119677A Gas-insulated high-voltage switch for interruption of large currents |
| 05/22/2013 | CN103117189A Solid encapsulated pole and solid insulated ring network cabinet |
| 05/22/2013 | CN103117188A High-speed switch for direct current breaker |
| 05/22/2013 | CN101770891B Gas breaker |
| 05/21/2013 | US8445805 Vacuum switch with pre-insertion contact |
| 05/21/2013 | US8445804 Vacuum cartridge for an electrical protection apparatus such as a switch or a circuit breaker |
| 05/16/2013 | WO2013068305A1 Drive assembly for a multi-pole circuit breaker |
| 05/16/2013 | US20130119022 Medium and high-voltage electric switch with return on closure and an insertion device for inserting a resistance |
| 05/16/2013 | US20130119021 Vacuum switch and electrode assembly therefor |
| 05/16/2013 | DE102011118418A1 Schaltsystem Switching system |
| 05/16/2013 | DE102011086308A1 Mehrpoliger elektrischer Schalter Multipole electrical switch |
| 05/16/2013 | DE102011085995A1 Antriebsbaugruppe für einen mehrpoligen Leistungsschalter Drive assembly for a multi-pole circuit breaker |
| 05/16/2013 | DE102011056577B3 Schaltungsanordnung zur Unterdrückung eines bei einem Schaltvorgang auftretenden Lichtbogens Circuit arrangement for the suppression of an electric arc occurring during a switching operation |
| 05/15/2013 | EP2591487A1 An electrical isolator |
| 05/15/2013 | EP2591483A1 Selector switch mechanism with compensation for position of the cam slot |
| 05/15/2013 | CN202940182U Permanent magnet breaker actuator having emergency switching-off apparatus |
| 05/15/2013 | CN202940181U E-shaped monostable permanent magnetic mechanism with closed magnetic circuit |
| 05/15/2013 | CN202940180U Intelligent modularized permanent magnetic mechanism controller |
| 05/15/2013 | CN202940179U High-voltage ceramic vacuum arc extinguishing chamber |
| 05/15/2013 | CN202940178U Medium-voltage ceramic vacuum switch tube |
| 05/15/2013 | CN202940177U Solid-sealed polar pole insulation cylinder |
| 05/15/2013 | CN202940176U Indoor high-voltage vacuum circuit breaker with integrated panel |
| 05/15/2013 | CN202940175U Secondary plug-in protection device of vacuum circuit breaker |
| 05/15/2013 | CN202940174U Air flow guide system for can-type SF6 circuit breaker |
| 05/15/2013 | CN202940173U Electric spring operation mechanism |
| 05/15/2013 | CN103109339A Interrupter tube switchgear for two confined contact electrodes |
| 05/15/2013 | CN103107044A Telescopic cavity type vacuum switch |
| 05/15/2013 | CN103107043A High pressure outdoor isolating switch |
| 05/15/2013 | CN103107042A Sulfur hexafluoride high-voltage circuit breaker for cold region |
| 05/15/2013 | CN103107041A Multipolar electrical switch |
| 05/14/2013 | US8441778 Modular substation feeder assembly |
| 05/14/2013 | US8441155 Electric timer for controlling power to a fan |
| 05/14/2013 | US8440930 Vacuum circuit breaker |
| 05/14/2013 | US8440929 Vacuum switch including an insulating body having a number of transparent portions made of a single crystal alumina |
| 05/14/2013 | US8440913 Breaker with improved shipping configuration |
| 05/14/2013 | CA2554290C Switching device |
| 05/10/2013 | WO2013065588A1 Power conversion device, and electricity storage system and method for controlling same |
| 05/10/2013 | WO2013064532A1 Electrical appliance comprising means for limiting the formation of an electric arc |
| 05/09/2013 | US20130113581 Contact switching mechanism and electromagnetic relay |