| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 07/21/2010 | CN201532898U Arc control device of high-voltage load switch |
| 07/21/2010 | CN201532897U High-voltage cable tap switch unit of grading arc extinction |
| 07/21/2010 | CN201532896U High-tension cable tapping switch device with improved arc-extinguishing performance |
| 07/21/2010 | CN201532895U Insulated air flange quick leakage stopper |
| 07/21/2010 | CN201532867U Spring hydraulic operation mechanism for high voltage breaker |
| 07/21/2010 | CN101785077A Device for controlling a motor-driven switch drive for a switching device |
| 07/21/2010 | CN101783263A Bistable-state permanent magnet mechanism of parallel magnetic circuits |
| 07/21/2010 | CN101783262A Optically controlled modular type mixed breaker based on series connection of vacuum breaker and SF6 breaker |
| 07/21/2010 | CN101315836B Electromagnetic repulsion force system and permanent magnetic system coupled self-adapting control mechanism |
| 07/21/2010 | CN101281830B Radiator for high pressure vacuum circuit breaker |
| 07/21/2010 | CN101101821B Circuit breaker set with interlocking apparatus |
| 07/15/2010 | US20100176091 Electrical switchgear unit comprising a complementary electrical function |
| 07/14/2010 | EP2207193A1 Switch |
| 07/14/2010 | CN201528128U Small intelligent medium voltage vacuum circuit breaker cabinet |
| 07/14/2010 | CN201527944U Electric control opening/closing device |
| 07/14/2010 | CN201527928U Opening and closing mechanism of high-voltage vacuum circuit breaker |
| 07/14/2010 | CN201527927U Gear transmission energy-storage mechanism of a vacuum circuit breaker |
| 07/14/2010 | CN201527926U Outdoor permanent magnetic high-voltage vacuum circuit breaker with function of manual quick closing |
| 07/14/2010 | CN201527925U Indoor high-voltage vacuum circuit breaker |
| 07/14/2010 | CN201527911U Vacuum on-load tap-changer gear converter |
| 07/14/2010 | CN101779260A Electronic vacuum switch with main parameters quickly settable also during operation of the plant under control |
| 07/14/2010 | CN101777457A Operation mechanism of breaker |
| 07/14/2010 | CN101320637B Multi-force output air gap monostable permanent magnet control mechanism with manual emergency switching mechanism |
| 07/13/2010 | US7754992 High current switch and method of operation |
| 07/13/2010 | US7754991 Medium-voltage or high voltage electrical switchgear |
| 07/13/2010 | CA2326436C Motor operator for over-head air break electrical power distribution switches |
| 07/08/2010 | WO2010077024A2 Method for manufacturing a composite bushing, and partial discharge diagnosis system for a composite bushing |
| 07/08/2010 | WO2010076401A1 Medium voltage electric distribution cell |
| 07/08/2010 | US20100170876 Circuit breaker with switching gas cooling |
| 07/08/2010 | US20100170875 Arc runner assembly and electrical switching apparatus and method incorporating same |
| 07/08/2010 | US20100170874 Vacuum insulated switchgear |
| 07/08/2010 | DE102008047281B4 Leistungsschalteinrichtung Power switching device |
| 07/08/2010 | DE102008037112B4 Vakuumschaltröhre Vacuum interrupter |
| 07/08/2010 | DE102008035974B4 Löschplatte für eine Lichtbogen-Löschkammer Erase board for arc extinguishing chamber |
| 07/08/2010 | CA2747692A1 Medium voltage electric distribution cell |
| 07/07/2010 | EP2204830A1 Bushing terminal of vacuum circuit breaker and method thereof |
| 07/07/2010 | CN201522960U Indoor high-voltage vacuum circuit breaker totally enclosed solid insulating post with radiator hood |
| 07/07/2010 | CN201522959U Intelligent high pressure vacuum circuit breaker |
| 07/07/2010 | CN101772818A Pole unit for a vacuum circuit breaker |
| 07/07/2010 | CN101772817A Switching pole for a high-voltage network |
| 07/07/2010 | CN101770894A High voltage gas circuit breaker |
| 07/07/2010 | CN101770893A Bushing terminal of vacuum circuit breaker and method thereof |
| 07/07/2010 | CN101770892A Annular rotating pole type vacuum switch |
| 07/07/2010 | CN101770891A Gas breaker |
| 07/07/2010 | CN101770877A Operating device |
| 07/06/2010 | US7750264 High voltage switch configuration |
| 07/01/2010 | WO2010073331A1 Phase-control switchgear and method for controlling switchgear |
| 07/01/2010 | WO2010073317A1 Electromagnetic contactor |
| 07/01/2010 | US20100163528 Bushing terminal of vacuum circuit breaker and method thereof |
| 07/01/2010 | US20100163527 High voltage gas circuit breaker |
| 07/01/2010 | DE102008061238A1 Hydraulic drive device for electrical switchgear, has servo controller with valve providing hydraulic control of hydraulic delay element, where drive device and another drive device are in fluid connection with one another |
| 07/01/2010 | CA2748458A1 Phase-control switchgear and phase-control method for switchgear |
| 06/30/2010 | EP2201588A1 Compact common-transmission circuit breaker having two aligned cut-off chambers |
| 06/30/2010 | EP2016601B1 Power switch, especially high-current switch |
| 06/30/2010 | EP1859465B1 Electric supply circuit, switch actuating device and method for operating said switch actuating device |
| 06/30/2010 | CN201518291U Vacuum arc extinction chamber contact with supporting device |
| 06/30/2010 | CN201518290U Vacuum outdoor load isolating switch |
| 06/30/2010 | CN101765896A Opening/closing device, and opening/closing device operating mechanism |
| 06/30/2010 | CN101763978A Outdoor AC vacuum circuit breaker |
| 06/29/2010 | US7746624 Current transformer disconnect switch |
| 06/24/2010 | DE10315982B4 Schaltungsanordnung für ein hybrides Schütz Circuit arrangement for a hybrid contactor |
| 06/24/2010 | DE102008063976A1 Pressure safety switch for vacuum chamber, has housing fixed in vacuum chamber, and magnet switch actuating switching contact or producing signal when deformation or position change of pipe and membrane reaches value |
| 06/23/2010 | EP2198443A1 Gas-insulated high-voltage circuit breaker with a relief duct which is controlled by an overflow valve |
| 06/23/2010 | EP2198442A1 Hydraulic spring-loaded drive |
| 06/23/2010 | CN201514893U Thermal-expansion gas arc-extinguishing chamber |
| 06/23/2010 | CN201514892U Quick grounding switch device |
| 06/23/2010 | CN201514891U Operating mechanism of vacuum circuit breaker |
| 06/23/2010 | CN201514890U Switching operation mechanism of vacuum circuit breaker |
| 06/23/2010 | CN201514889U Terminal post enclosed in arc extinguish chamber for vacuum circuit breaker |
| 06/23/2010 | CN201514888U Railway single-phase breaker |
| 06/23/2010 | CN201514870U 电弧监测器 Arc Monitor |
| 06/23/2010 | CN201514869U Buckling mechanism for half shaft and buckling arm of switch operating mechanism |
| 06/23/2010 | CN1950917B Electrical medium- or high-voltage switch device |
| 06/23/2010 | CN1797634B 气体开关 Gas switch |
| 06/23/2010 | CN101752140A Tulip contacting device of vacuum circuit breaker |
| 06/23/2010 | CN101752108A High-speed closing switch in power distributor |
| 06/23/2010 | CN101120423B Generator switch having improved switching capacity |
| 06/23/2010 | CN101022061B Air circuit breaker with permanent magnetic operating mechanism |
| 06/22/2010 | US7741737 Solid state power control and method for reducing control power |
| 06/17/2010 | WO2010066887A1 Drive system for operating an electric device |
| 06/17/2010 | US20100147804 Puffer type gas circuit breaker |
| 06/17/2010 | DE102008059670B3 Vakuumschalter mit beidseitig fest verschienten Anschlussklemmen Vacuum switch with double-sided moving of the mounted terminals |
| 06/17/2010 | DE102008023502B4 Vakuumschaltröhre Vacuum interrupter |
| 06/16/2010 | EP2197011A1 Drive system for operating an electric device |
| 06/16/2010 | EP2195817A1 Pole part of a medium-voltage switching device |
| 06/16/2010 | CN201508803U High-voltage vacuum circuit breaker spring operating mechanism |
| 06/16/2010 | CN201508802U One-turn coil contact structure of vacuum arc-extinguishing chamber |
| 06/16/2010 | CN201508801U Large capacity low resistance contact |
| 06/16/2010 | CN201508800U Mining explosion-proof type permanent magnetic vacuum feed switch |
| 06/16/2010 | CN201508799U Electric vacuum isolating phase-change switch provided with manual isolating switches |
| 06/16/2010 | CN201508798U Permanent magnetic vacuum circuit breaker |
| 06/16/2010 | CN201508797U Interlocking mechanism for inflation-cabinet-type vacuum circuit breaker |
| 06/16/2010 | CN201508796U Mining explosion-proof type permanent magnetic vacuum feed switch |
| 06/16/2010 | CN201508786U Switching-on controlling mechanism of breaker |
| 06/16/2010 | CN201508785U Switch on/off control mechanism of side-mounting circuit breaker |
| 06/16/2010 | CN101740272A Mechanical high-voltage circuit breaker with short circuit self-locking function |
| 06/16/2010 | CN101740263A Improvement of switching-off part structure of high-voltage vacuum breaker |
| 06/16/2010 | CN101740262A Improvement of switching-on part structure of high-voltage vacuum breaker |
| 06/16/2010 | CN101740261A Driving structure improvement of high-voltage vacuum breaker sprocket wheel and driving wheel |
| 06/16/2010 | CN101740260A Vacuum switchgear |