| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 01/30/2013 | CN202712034U Long-life indoor medium-voltage sulfur hexafluoride breaker |
| 01/30/2013 | CN202712033U Air-blowing arc extinguishing load switch |
| 01/30/2013 | CN202712032U Load switch for 10kV aeration cabinet |
| 01/30/2013 | CN202712031U Moving contact structure of 12kV three-position SF6 load switch |
| 01/30/2013 | CN102903567A Power transmission device for vacuum interrupter and vacuum breaker having the same |
| 01/30/2013 | CN102903566A Arc extinguishing shield of vacuum alternating-current contactor |
| 01/30/2013 | CN102903565A Vacuum switch with selective functions |
| 01/30/2013 | CN102903564A Outdoor high-voltage vacuum circuit breaker |
| 01/30/2013 | CN102903548A Pushrod assembly for circuit breaker |
| 01/30/2013 | CN101986407B Quick control mechanism of ultrahigh pressure vacuum circuit breaker and control method thereof |
| 01/30/2013 | CN101911412B Three-positions disconnector for medium voltage panels |
| 01/24/2013 | WO2013013112A1 Gas blast interrupter |
| 01/24/2013 | WO2013011009A1 Isolator for a gas-insulated installation comprising a vacuum bulb |
| 01/24/2013 | WO2013010378A1 High-voltage switch permanent magnet operating mechanism with adjustable attractive force characteristic |
| 01/24/2013 | US20130021711 Residual Current Protection Device |
| 01/24/2013 | US20130020286 Gas circuit breaker |
| 01/24/2013 | US20130020285 Gas blast interrupter |
| 01/23/2013 | EP2549604A1 Conductor arrangement for reducing impact of very fast transients |
| 01/23/2013 | EP2549503A1 Vacuum interrupter with integrated double gap and single drive |
| 01/23/2013 | EP2549502A1 Generator breaker with SAW sensor |
| 01/23/2013 | CN202695339U Novel vertical type integrated manual and automatic locking device |
| 01/23/2013 | CN202695281U Manual switching-off device for permanent magnet vacuum circuit breaker |
| 01/23/2013 | CN202695280U Open type monostable permanent magnetic operating mechanism |
| 01/23/2013 | CN202695279U Manually operated separating brake press-button |
| 01/23/2013 | CN202695278U Vacuum circuit breaker |
| 01/23/2013 | CN202695277U Permanent-magnet vacuum recloser |
| 01/23/2013 | CN202695276U Mining explosion-proof vacuum feeder switch |
| 01/23/2013 | CN202695275U Outdoor alternating-current high-voltage vacuum circuit breaker |
| 01/23/2013 | CN202695274U 真空断路器 Vacuum Circuit Breaker |
| 01/23/2013 | CN202695273U Structure for reducing switching-on bounce |
| 01/23/2013 | CN202695272U Outdoor high-voltage pre-payment vacuum circuit breaker |
| 01/23/2013 | CN202695271U Vacuum opening and closing device |
| 01/23/2013 | CN202695270U Vacuum shutter |
| 01/23/2013 | CN202695269U Intelligent self-energy-fetching vacuum circuit breaker |
| 01/23/2013 | CN202695268U Novel pressure release valve plate stabilizing device for tank circuit breaker |
| 01/23/2013 | CN202695267U Anti-explosion structure for 12 kV three-position SF6 load switch |
| 01/23/2013 | CN202695266U Upper support of high-voltage circuit breaker |
| 01/23/2013 | CN202695265U Energy-storage on-off mechanism of breaker |
| 01/23/2013 | CN202695264U Heating device for low-temperature sulfur-hexafluoride live tank circuit-breakers |
| 01/23/2013 | CN202695263U Grounding structure for 12-kilovot three-station sulfur hexafluoride (SF6) load switch |
| 01/23/2013 | CN202695179U Electromagnetism-operated on-off device |
| 01/23/2013 | CN102893362A Very fast transient suppressing device |
| 01/23/2013 | CN102891035A Sealing pole |
| 01/23/2013 | CN102891034A High-voltage circuit breaker and operating mechanism thereof |
| 01/23/2013 | CN101901715B Circuit breaker |
| 01/23/2013 | CN101740260B Vacuum switchgear |
| 01/23/2013 | CN101341563B Method and apparatus for the sonic detection of high pressure conditions in a vacuum switching device |
| 01/18/2013 | DE202011110166U1 Kühivorrichtung für eine elektrische Schaltanlage insbesondere derMittel- und Hochspannungstechnik Cooling device for an electrical switchgear particular derMittel- and High Voltage Engineering |
| 01/17/2013 | US20130015161 Vacuum interrupter |
| 01/17/2013 | DE102010031907B9 Unidirektional schaltendes DC-Schütz Unidirectional-switching DC contactor |
| 01/16/2013 | EP2546851A1 High-voltage switching device in an electric grid |
| 01/16/2013 | EP2546850A2 Switchgear and method for operating switchgear |
| 01/16/2013 | EP2546848A1 Fast switch with non-circular Thomson coil |
| 01/16/2013 | EP2546847A1 Fast switch with Thomson coil and damping |
| 01/16/2013 | EP2545574A1 Medium and high voltage electric switch having closing return and device for inserting a resistor |
| 01/16/2013 | EP2545573A1 Hybrid circuit breaker using a switch having return upon closure |
| 01/16/2013 | CN202678810U Vacuum contactor-fuse combined electric device |
| 01/16/2013 | CN202678205U Transmission mechanism of high-voltage vacuum circuit breaker |
| 01/16/2013 | CN202678204U Electromagnetic operation type open and close apparatus |
| 01/16/2013 | CN202678203U Central-positioned moving-away type vacuum circuit breaker |
| 01/16/2013 | CN202678202U Serial structure of a high-voltage vacuum arc extinguish chamber |
| 01/16/2013 | CN202678201U 户外真空断路器 Outdoor vacuum circuit breaker |
| 01/16/2013 | CN202678200U A safety device used for preventing misoperation of a vacuum circuit breaker |
| 01/16/2013 | CN202678199U A high-voltage vacuum circuit breaker on an outdoor column |
| 01/16/2013 | CN202678198U Multi-break series-connection structure high voltage vacuum switch |
| 01/16/2013 | CN202678197U Vacuum switch tube used in 12 kilovolt miniaturization solid sealing pole column |
| 01/16/2013 | CN202678196U Vacuum tube used in 12 kilovolt load switch |
| 01/16/2013 | CN202678195U Vacuum switch tube for 12-kilovolt guide sleeve anti-torsion type circuit breaker |
| 01/16/2013 | CN202678194U 12-kilovolt spline type vacuum switch tube |
| 01/16/2013 | CN202678193U Side-installed type high-voltage vacuum circuit breaker |
| 01/16/2013 | CN202678192U Lift prevention device of high-voltage vacuum circuit breaker |
| 01/16/2013 | CN202678191U An intellectualized high-voltage vacuum circuit breaker |
| 01/16/2013 | CN202678190U A pot-type high-voltage vacuum circuit breaker with compound insulation structure |
| 01/16/2013 | CN202678189U Auxiliary device capable of improving recovery efficiency of SF6 gas |
| 01/16/2013 | CN202678188U Blocking device for mine high-voltage vacuum electromagnetic starter |
| 01/16/2013 | CN202678187U Three-position isolation grounding combination switch |
| 01/16/2013 | CN202678186U 363kV tank circuit breaker with switching capacity of 50kA |
| 01/16/2013 | CN202678138U Electromagnetic operation type open and close apparatus |
| 01/16/2013 | CN102884687A A switch arrangement for an electrical switchgear |
| 01/16/2013 | CN102884601A 真空阀 Vacuum valve |
| 01/16/2013 | CN102881512A Manual quickly-closed breaker mechanism with free tripping function |
| 01/16/2013 | CN102881511A Contact with function of controlling directional extension movement of vacuum arc |
| 01/16/2013 | CN102881510A Three-station vacuum arc extinguishing chamber |
| 01/16/2013 | CN102881509A Grading shield for circuit breaker |
| 01/16/2013 | CN102881508A Solid insulating pole |
| 01/16/2013 | CN102881477A Double glide transmission mechanism |
| 01/16/2013 | CN102881474A Spring energy storage control module, operating mechanism and circuit breaker |
| 01/16/2013 | CN101887819B Vacuum switch |
| 01/16/2013 | CN101877288B Preparation method of vacuum arc extinction terminal post for high-voltage vacuum breaker |
| 01/16/2013 | CN101483114B Method of diagnosing vacuum pressure of vacuum switchgear |
| 01/16/2013 | CN101442156B Connecting bar with flat interface |
| 01/15/2013 | US8354607 Switchgear having main circuit switches disposed in separate vacuum chambers |
| 01/15/2013 | US8354603 Switching device |
| 01/10/2013 | WO2013005348A1 Electromagnetic control device |
| 01/10/2013 | WO2013004798A1 Use of a mixture comprising a hydrofluoroolefin as a high-voltage arc-extinguishing and/or insulating gas and high-voltage electrical device comprising same |
| 01/10/2013 | WO2013004796A1 Use of a mixture comprising a hydrofluoroolefin as a medium-voltage arc-extinguishing and/or insulating gas and medium-voltage electrical device comprising same |
| 01/10/2013 | WO2013004662A1 Dc current interruption system able to open a dc line with inductive behaviour |
| 01/10/2013 | WO2013004660A1 Spring-based control device for a high or medium voltage switchgear |
| 01/10/2013 | WO2013004467A1 Drive for a switching device |
| 01/10/2013 | DE112011101118T5 Elektomagnetischer Mechanismus und manuelle Schaltanlage eines elektromagnetischen Mechanismus Elektomagnetischer mechanism and manual switching of an electromagnetic mechanism |