| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 01/01/2014 | CN203377160U An outdoor vacuum circuit breaker transmission mechanism |
| 01/01/2014 | CN203377159U Vertical plate type breaking device for vacuum circuit breaker |
| 01/01/2014 | CN203377158U Novel assembling device for assemblies of arc extinguish chamber of vacuum circuit breaker |
| 01/01/2014 | CN203377157U An integrated spring mechanism type vacuum circuit breaker allowing frequent operation |
| 01/01/2014 | CN203377156U Buffer-and-counter-weight-integration high-voltage circuit breaker |
| 01/01/2014 | CN203377136U Support for assembling ZW32 vacuum circuit breaker switch |
| 01/01/2014 | CN203377133U Switch cabinet switch |
| 01/01/2014 | CN103493165A Voltage converter for a switchgear |
| 01/01/2014 | CN103489704A Operating device for vacuum circuit breaker |
| 01/01/2014 | CN103489703A Spring operating mechanism applied to outdoor three-phase vertical pillar type vacuum load switch |
| 01/01/2014 | CN103489702A Breaker on-off control device based on photoelectrical position detection and control method thereof |
| 01/01/2014 | CN103489701A Multi-property contact |
| 01/01/2014 | CN103489700A Contact yielding structure |
| 01/01/2014 | CN103489699A High-voltage vacuum extinction chamber |
| 01/01/2014 | CN103489698A Brake breaking device for vacuum arc-extinguishing chamber |
| 01/01/2014 | CN103489697A Vacuum contactor |
| 01/01/2014 | CN103489696A 10kV box type double-break vacuum circuit beaker of built-in disconnector structure |
| 01/01/2014 | CN103489695A Switching device equipped with circuit breaker and disconnecting switch using shared driving devices |
| 01/01/2014 | CN103489694A GIS (Gas Insulated Switchgear) novel arc extinguishing structure |
| 01/01/2014 | CN103489671A Spring mechanism |
| 01/01/2014 | CN103489575A Electric-power fuel tank with antitheft plug and special tool for assembling and disassembling plug |
| 01/01/2014 | CN102360983B Circuit breaker control device |
| 01/01/2014 | CN102306589B Low-pressure permanent magnetic vacuum load switch |
| 01/01/2014 | CN102231345B Double-chamber three-working position vacuum arc extinguish chamber for solid switch |
| 01/01/2014 | CN102047365B Gas insulation switch |
| 12/27/2013 | WO2013190984A1 Operation device, vacuum opening/closing device, and method for assembling operation device |
| 12/27/2013 | WO2013190983A1 Operating device or vacuum switch |
| 12/27/2013 | WO2013189524A1 Direct current voltage switch for switching a direct current in a branch of a direct current voltage network node |
| 12/27/2013 | WO2013189174A1 Breaker pole connection device and breaker using same |
| 12/26/2013 | US20130342294 Contactor Arrangement For Use In Dielectric Liquid |
| 12/25/2013 | EP2677531A1 Gas sampling device for a buchholz relay, buchholz relay comprising such sampling device and method for operating said sampling device |
| 12/25/2013 | EP2487700B1 Terminals for vacuum circuit breaker and vacuum circuit breaker having the same |
| 12/25/2013 | EP2246867B1 A support bracket |
| 12/25/2013 | EP1991999B1 Electrical switching device |
| 12/25/2013 | CN203367841U Solid insulating ring main unit |
| 12/25/2013 | CN203367137U Spring operation mechanism for vacuum switch |
| 12/25/2013 | CN203367136U Controller with permanent-magnet mechanism |
| 12/25/2013 | CN203367135U Centering device used for vacuum circuit breaker and vacuum circuit breaker based on centering device |
| 12/25/2013 | CN203367134U Outdoor combined-type prepayment circuit breaker |
| 12/25/2013 | CN203367133U Novel in-and-out wiring sheath for vacuum circuit breaker |
| 12/25/2013 | CN203367132U Solid insulating pole column |
| 12/25/2013 | CN203367131U Composite insulation sleeve for pole-mounted circuit breaker |
| 12/25/2013 | CN203367130U Arc extinguishing coil of gas insulated load switch |
| 12/25/2013 | CN203367129U Solid insulating disconnecting and grounding switch |
| 12/25/2013 | CN103474288A Method for detecting vacuum degree in arc extinguish chamber of vacuum circuit breaker |
| 12/25/2013 | CN103474287A Double-acting iron core permanent magnet operating mechanism |
| 12/25/2013 | CN103474286A Outdoor high voltage vacuum circuit breaker |
| 12/25/2013 | CN103474285A Combination-type vacuum circuit breaker device |
| 12/25/2013 | CN102246254B Drive system for operating electric device |
| 12/25/2013 | CN102165551B Overvoltage suppression device |
| 12/25/2013 | CN102117712B 真空断路器 Vacuum Circuit Breaker |
| 12/25/2013 | CN102110545B Interlock apparatus of ground switch for vacuum circuit breaker |
| 12/25/2013 | CN101515519B Encapsulated pole unit conductor assembly for encapsulated pole unit and medium voltage circuit interrupter including same |
| 12/24/2013 | DE102012215482B3 Device for actuating electrical switch has housing having external auxiliary switches which are actuated when output shaft and drive shaft are simultaneously actuated with actuation of internal auxiliary switches |
| 12/24/2013 | DE102011002935B4 Vorrichtung zum Absaugen von Schutzgas aus einem Behälter Apparatus for aspirating protective gas from a container |
| 12/19/2013 | WO2013187143A1 Magnetizing inrush current suppression device |
| 12/19/2013 | WO2013187107A1 Safety device |
| 12/19/2013 | WO2013186201A1 Switching device for direct current |
| 12/19/2013 | WO2013186004A1 Apparatus for switching in a dc voltage mains |
| 12/19/2013 | WO2013185906A1 Vacuum interrupter with double coaxial contact arrangement at each side |
| 12/19/2013 | US20130334174 High interrupting rating molded case circuit breaker |
| 12/19/2013 | DE102012105152A1 Laststufenschalter OLTC |
| 12/18/2013 | EP2674955A1 Vacuum interrupter with double coaxial contact arrangement at each side |
| 12/18/2013 | EP1835520B2 Switching chamber for gasisolated high voltage switch |
| 12/18/2013 | EP1249848B1 Electric contact and manufacturing method thereof |
| 12/18/2013 | CN203351501U Vacuum circuit breaker |
| 12/18/2013 | CN203351500U Novel vacuum circuit breaker manual opening push plate |
| 12/18/2013 | CN203351499U Vacuum circuit breaker arc extinguishing chamber external insulation seal structure |
| 12/18/2013 | CN203351498U Isolated contacts structure applicable to 10kV load switch |
| 12/18/2013 | CN203351497U Frame of permanent magnet contactor |
| 12/18/2013 | CN203351496U Vacuum circuit breaker |
| 12/18/2013 | CN203351495U Vacuum circuit breaker having life management function |
| 12/18/2013 | CN203351494U Vacuum circuit breaker with permanent magnetic mechanism |
| 12/18/2013 | CN203351493U Sliding friction structure of closure pole of indoor high voltage vacuum circuit breaker |
| 12/18/2013 | CN203351492U High-voltage vacuum circuit breaker |
| 12/18/2013 | CN203351491U Novel outdoor permanent magnetic vacuum circuit breaker |
| 12/18/2013 | CN203351490U Permanent magnet drive oil immersion vacuum circuit breaker arranged in 10 kV oil immersion transformer |
| 12/18/2013 | CN203351489U Transmission device used for 126 kV GIS breaker |
| 12/18/2013 | CN1918683B Vacuum interrupter chamber with shielding |
| 12/18/2013 | CN1894762B Switchgear for medium-voltage range and high-voltage range |
| 12/18/2013 | CN103460326A Gas circuit breaker |
| 12/18/2013 | CN103460325A Vacuum interrupter and switch pole |
| 12/18/2013 | CN103460324A Tap changer and vacuum interrupter for such a tap changer |
| 12/18/2013 | CN103456558A Operating mechanism of vacuum circuit breaker |
| 12/18/2013 | CN103456557A Fast connecting device of permanent magnet circuit breaker |
| 12/18/2013 | CN103456556A Long-service life corrugated pipe for vacuum arc extinguish chamber |
| 12/18/2013 | CN103456555A Vacuum switch trigger electrode structure with arc blocking disk |
| 12/18/2013 | CN103456554A Combined vacuum circuit breaker device |
| 12/18/2013 | CN103456553A High-voltage switch barrel and high-voltage switch using same |
| 12/18/2013 | CN103456552A High-voltage switch barrel easy to detect and high-voltage switch comprising high-voltage switch barrel |
| 12/18/2013 | CN103456551A High-voltage switch barrel with easy leak detection function and high-voltage switch comprising high-voltage switch barrel |
| 12/18/2013 | CN103456550A High-voltage switch barrel easy to detect and high-voltage switch comprising high-voltage switch barrel |
| 12/18/2013 | CN103456549A Automatic mine switch |
| 12/18/2013 | CN103456432A Insulator and high-voltage switch with same |
| 12/18/2013 | CN103456431A Basin-type insulator and high-voltage switch with same |
| 12/18/2013 | CN103456430A Insulator easy to detect and high-voltage switch comprising insulator |
| 12/18/2013 | CN103456429A Insulator easy to detect and high-voltage switch comprising insulator |
| 12/18/2013 | CN102369361B Lock device for restricting rotational movement |
| 12/18/2013 | CN102231486B Handcart type permanent magnet combined breaking device |
| 12/18/2013 | CN102157297B Three-station vacuum switch tube |