| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 05/19/2010 | EP2186106A1 Quickly exchangeable switching device in fixed type medium voltage switchgear system |
| 05/19/2010 | EP2186105A1 Electronic vacuum switch with main parameters quickly settable also during operation of the plant under control |
| 05/19/2010 | EP2186104A1 Device for controlling a motor-driven switch drive for a switching device |
| 05/19/2010 | EP1504508B1 Switching installation provided with an electrically insulating barrier |
| 05/19/2010 | CN201478731U Insulating support of electric switch provided with arc-extinguishing device individually |
| 05/19/2010 | CN201478197U Vertical transmission four-linkage mechanism of vacuum circuit breaker |
| 05/19/2010 | CN201478196U Contact arm sleeve for high-voltage vacuum circuit breaker |
| 05/19/2010 | CN201478195U Main loop structure of 24 kV vacuum circuit breaker |
| 05/19/2010 | CN201478194U Insulator connection mechanism for circuit breaker |
| 05/19/2010 | CN201478193U Vacuum circuit breaker |
| 05/19/2010 | CN201478192U Direct-connected permanent magnet vacuum switch |
| 05/19/2010 | CN201478191U Vacuum circuit breaker |
| 05/19/2010 | CN201478190U Vacuum contactor |
| 05/19/2010 | CN201478189U Connecting structure inside embedded pole of circuit breaker |
| 05/19/2010 | CN201478188U High-voltage insulation ceramic vacuum switch pipe |
| 05/19/2010 | CN201478187U Manual-electric integrated operation mechanism for 10 kV vacuum circuit breaker |
| 05/19/2010 | CN201478186U Gas-insulated load switch |
| 05/19/2010 | CN201478185U Switch base frame of electric switch provided with arc-extinguishing device individually |
| 05/19/2010 | CN201478154U Novel torsion-resistant guide sleeve |
| 05/19/2010 | CN101710547A Tripping device of vacuum circuit breaker |
| 05/19/2010 | CN101710546A High-voltage three-pole AC vacuum contactor |
| 05/19/2010 | CN101710545A Horizontal vacuum circuit breaker for high-voltage alternating current generator |
| 05/19/2010 | CN101256919B Asymmetry parallel excitation type bistable state permanent magnet control mechanism |
| 05/19/2010 | CN101145677B Special gas insulation combined appliance for electric railroad |
| 05/18/2010 | US7718913 Actuation by cylindrical CAM of a circuit-breaker for an alternator |
| 05/14/2010 | WO2010052992A1 Electrode structure for vacuum circuit breaker |
| 05/14/2010 | WO2010052083A1 Switchgear arrangement having an encapsulated housing for a capacitor unit |
| 05/12/2010 | CN201466560U Environmental-friendly enclosed integrated modularized vacuum ring net switching device |
| 05/12/2010 | CN201465894U Outdoor high-voltage AC knob insulator type SF6 circuit breaker |
| 05/12/2010 | CN201465893U Emergence manual tripping mechanism of vacuum circuit breaker |
| 05/12/2010 | CN201465892U Automatic reclosure opening control mechanism of indoor high-voltage alternating-current (AC) vacuum breaker |
| 05/12/2010 | CN201465891U Integrated oxygen free copper shielding cylinder for vacuum arc extinguish chamber |
| 05/12/2010 | CN201465890U Display device of explosion-proof type high voltage vacuum feeding switch for mine |
| 05/12/2010 | CN201465889U Burglarproof housing for outdoor high-voltage vacuum breaker |
| 05/12/2010 | CN201465888U Vacuum circuit breaker for power network reactive-load compensation equipment |
| 05/12/2010 | CN201465887U Switching switch of high voltage reactive compensation capacitor |
| 05/12/2010 | CN201465886U Novel intelligent combined vacuum breaker |
| 05/12/2010 | CN201465885U Primary conductive circuit structure for indoor high-voltage alternating-current (AC) vacuum breaker |
| 05/12/2010 | CN201465884U Indoor high-voltage alternating-current (AC) vacuum breaker |
| 05/12/2010 | CN201465883U Medium voltage vacuum breaker with function of state on-line monitoring |
| 05/12/2010 | CN201465882U Outdoor vacuum circuit-breaker with integrated insulation posts |
| 05/12/2010 | CN201465881U Circuit breaker |
| 05/12/2010 | CN201465880U Vacuum feed switch with bistable double-coil permanent magnet mechanism |
| 05/12/2010 | CN201465879U Interlocking mechanism for XGN2 switch cabinet |
| 05/12/2010 | CN201465878U Gas-insulated three-stage mechanical linkage circuit breaker |
| 05/12/2010 | CN201465832U Visual off state load switch for 24kV power distribution system |
| 05/12/2010 | CN201465819U Permanent magnet mechanism of high-voltage switch |
| 05/12/2010 | CN201465818U Fracture permanent-magnet mechanism of multipath magnetic circuit for high-voltage switch |
| 05/12/2010 | CN1941244B Gas circuit-breaker used for electric power |
| 05/12/2010 | CN1909314B Electronic trip device with a power supply circuit means, and circuit breaker comprising such device |
| 05/12/2010 | CN1835151B Electrical installation device with pre-arc chamber, pre-arc chamber plates and current limiting arc extinguishing device |
| 05/12/2010 | CN1645697B Electric installation, switching room and switch board |
| 05/12/2010 | CN101707161A Permanent magnet operating mechanism for 50 kA vacuum circuit breaker |
| 05/12/2010 | CN101707160A Indoor high-voltage vacuum circuit breaker |
| 05/11/2010 | US7714464 Load control module |
| 05/06/2010 | WO2010050352A1 Electrode material for vacuum circuit breaker and method for producing same |
| 05/06/2010 | WO2010048878A1 Electromagnetic hydraulic valve type spring hydraoulic operation mechanism with the ability of self-protection |
| 05/06/2010 | WO2010048785A1 High-voltage, super-voltage and heavy current breaker |
| 05/06/2010 | US20100108643 Switching device with a vacuum interrupter chamber |
| 05/06/2010 | DE102008045641B3 Nockenwellenantrieb für eine Vakuumschaltröhre und Schaltgerät A camshaft drive for a vacuum interrupter and the switching device |
| 05/06/2010 | DE102008031472B4 Vakuumschaltröhre Vacuum interrupter |
| 05/05/2010 | EP2182536A1 Current switch on an electric line comprising a vacuum cartridge |
| 05/05/2010 | EP2181455A1 Interrupter unit of an electrical switching device |
| 05/05/2010 | CN201449932U Double-acting self energy thermal expansion type high-pressure sulfur hexafluoride breaker arc extinguish chamber |
| 05/05/2010 | CN201449931U An energy-storing bending arm of a vacuum circuit-breaker |
| 05/05/2010 | CN201449930U Low-voltage high-current vacuum arc extinguish chamber |
| 05/05/2010 | CN201449929U Control module of high-voltage vacuum circuit breaker |
| 05/05/2010 | CN201449928U Electric conducting device of indoor high voltage vacuum circuit breaker |
| 05/05/2010 | CN201449927U Novel connecting pipe of breaker pneumatic mechanism |
| 05/05/2010 | CN1965382B Power switch |
| 05/05/2010 | CN101702388A Variable-speed moving device of main contact and arc contact in arc extinguishing chamber |
| 05/05/2010 | CN101702387A Tank body of SF6 tank circuit breaker |
| 05/05/2010 | CN101702386A Major loop contact terminal of SF6 tank circuit breaker |
| 05/05/2010 | CN101702381A Design method of remanent magnetism mechanism of recombiner and remanent magnetism mechanism |
| 05/05/2010 | CN101701651A Pneumatic mechanism connecting pipe of electrical device |
| 04/29/2010 | US20100102036 Gas insulated circuit breaker system and gas insulated circuit breaker monitoring method |
| 04/29/2010 | US20100102035 Power line current interrupter having a vacuum switch chamber |
| 04/29/2010 | US20100102034 Apparatus for Monitoring Vacuum |
| 04/29/2010 | DE102005008098B4 Druckgasleistungsschalter Pressure gas circuit breaker |
| 04/28/2010 | EP2180492A1 Switching chamber for a high voltage circuit breaker and high voltage circuit breaker |
| 04/28/2010 | EP2180491A1 Gas insulated circuit breaker system and gas insulated circuit breaker monitoring method |
| 04/28/2010 | EP2179430A1 Electromagnetic actuator |
| 04/28/2010 | EP2179429A1 Switch arrangement for a switchgear assembly |
| 04/28/2010 | CN201444537U Arm insulation sleeve and vacuum circuit breaker |
| 04/28/2010 | CN201444464U Novel control system of permanent magnetic mechanism of vacuum circuit breaker |
| 04/28/2010 | CN201444463U High-voltage vacuum circuit breaker controller of double-coil bistable permanent-magnet operating mechanism |
| 04/28/2010 | CN201444462U Novel fixed contact pedestal |
| 04/28/2010 | CN201444455U Shunt device for moving conductive rod of vacuum arc extinguish chamber |
| 04/28/2010 | CN1664970B Device for fixing a shield in an electric switch, in particular a vacuum switch |
| 04/28/2010 | CN101699603A Miniaturized vacuum circuit breaker |
| 04/27/2010 | US7705263 Arc chute assembly for a circuit breaker |
| 04/27/2010 | US7705262 Alternator disconnector circuit-breaker by a servomotor |
| 04/22/2010 | WO2010043268A1 Piezoelectric sensor for the measurement of gas density |
| 04/22/2010 | US20100096363 Switching chamber for a high-voltage breaker, and a high-voltage breaker |
| 04/21/2010 | EP2178097A2 Switchgear |
| 04/21/2010 | EP2176875A1 Flow adjustment arrangement for a buchholz relay |
| 04/21/2010 | CN201440395U Vacuum arc extinguish chamber and main circuit structure using same |
| 04/21/2010 | CN201440394U High-voltage breaker connector and high-voltage breaker using connector |
| 04/21/2010 | CN101206969B High-voltage combined falling switch on pole outdoor |
| 04/15/2010 | WO2010040574A1 Cutoff chamber for high-voltage circuit breaker with improved arc quenching |