| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 04/21/2011 | WO2011045062A1 Circuit-breaker with a common housing |
| 04/21/2011 | WO2011045061A1 Bistable magnetic actuator for a medium voltage circuit breaker |
| 04/21/2011 | WO2011045060A1 Electrical device with a multi-chamber housing |
| 04/21/2011 | WO2011045046A1 Medium voltage switchgear having disconnecting switches and three-position switches |
| 04/21/2011 | WO2011044983A1 Rotary switch- disconnector |
| 04/21/2011 | CA2777491A1 Medium voltage switchgear having disconnecting switches and three-position switches |
| 04/20/2011 | EP2312606A1 Circuit-breaker with a common housing |
| 04/20/2011 | EP2312605A1 Bistable magnetic actuator for a medium voltage circuit breaker |
| 04/20/2011 | EP2312604A1 Electrical device with a multi-chamber housing |
| 04/20/2011 | EP2312603A1 Rotary switch-disconnector |
| 04/20/2011 | EP1756846B1 Method and apparatus for the detection of high pressure conditions in a vacuum switching device |
| 04/20/2011 | EP1092226B2 Electric railway vehicle and electric powering unit in particular for such a vehicle |
| 04/20/2011 | EP0958643B1 Circuit breaker for disconnecting an electrical apparatus from electrical network |
| 04/20/2011 | CN201804789U Vacuum arc extinguishing chamber capable of improving external insulation level of vacuum arc extinguishing chamber |
| 04/20/2011 | CN201804788U Breaking spring structure of vacuum circuit breaker |
| 04/20/2011 | CN201804787U Assembly structure of contact and electric conduction rod |
| 04/20/2011 | CN201804786U Combined structure of ceramic case |
| 04/20/2011 | CN201804785U Vacuum circuit breaker based on quick two-way electromagnetic repulsion mechanism |
| 04/20/2011 | CN201804784U Medium-voltage gas insulated circuit breaker and control switch board |
| 04/20/2011 | CN201804783U Three-phase interlock type sulfur hexafluoride porcelain pole circuit breaker |
| 04/20/2011 | CN201804782U AC contactor |
| 04/20/2011 | CN201804781U An outdoor switch |
| 04/20/2011 | CN201804780U Arc striking device for high-voltage grounding switch |
| 04/20/2011 | CN201804779U 1100kV ultra-high voltage isolation switch with high-parameter bus converting current for on and off |
| 04/20/2011 | CN201804747U Chuck plate for vacuum breaker clamp device |
| 04/20/2011 | CN201804746U Positioning workbench for vacuum circuit breaker |
| 04/20/2011 | CN201804730U 油缓冲器 Oil buffer |
| 04/20/2011 | CN1945771B Outdoor high voltage double power source vacuum breaker |
| 04/20/2011 | CN102024619A Self-blow switch with filling and excess pressure valve |
| 04/20/2011 | CN102024618A Valve for gas circuit breaker and gas circuit breaker with the same |
| 04/20/2011 | CN102024617A Operating handle for handcart type vacuum circuit breaker |
| 04/20/2011 | CN102024616A Switching operation mechanism of vacuum circuit breaker |
| 04/20/2011 | CN102024615A Pole column of vacuum circuit breaker |
| 04/20/2011 | CN102024614A Breaker switch |
| 04/20/2011 | CN102024613A Cam interlocking mechanism of vacuum switch |
| 04/20/2011 | CN102024612A Soakage contact intelligent control power load switch |
| 04/20/2011 | CN102024611A Three-position disconnecting switch |
| 04/20/2011 | CN102024610A Circuit breaker |
| 04/20/2011 | CN102024609A Method and device for blocking leakage of sulfur hexafluoride |
| 04/19/2011 | CA2390595C Operating arrangement for mechanism |
| 04/14/2011 | WO2011043076A1 Shock absorber of operation mechanism for opening and closing device and method for lubricating same |
| 04/14/2011 | WO2011042782A1 Direct current breaker device |
| 04/14/2011 | US20110084558 Motion sensor switch for 3-way light circuit and method of lighting control using the same |
| 04/14/2011 | US20110084048 Circuit breaker with parallel rated current paths |
| 04/13/2011 | EP2309527A2 Device for joining by welding of a cover on end of cylinder body and vacuum bulb having such a device |
| 04/13/2011 | EP2309526A1 Voltage switch with parallel nominal current paths |
| 04/13/2011 | EP2308069A1 Generator circuit breaker with fiber-optic current sensor |
| 04/13/2011 | CN201797234U Small-sized vacuum ring main unit |
| 04/13/2011 | CN201796812U Energy storage mechanism of vacuum breaker |
| 04/13/2011 | CN201796811U Indoor operating mechanism for high-voltage vacuum circuit breakers |
| 04/13/2011 | CN201796810U Asymmetric vacuum arc extinguish chamber longitudinal magnetic field contact structure |
| 04/13/2011 | CN201796809U 真空灭弧室 Vacuum Interrupter |
| 04/13/2011 | CN201796808U External insulation sealing device of vacuum arc-extinguishing chamber |
| 04/13/2011 | CN201796807U Sound insulation structure of running-in chamber of vacuum breaker |
| 04/13/2011 | CN201796806U Wire outlet seat with variable phase distance for vacuum circuit breaker |
| 04/13/2011 | CN201796805U Heavy-current embedded pole for indoor high-voltage vacuum circuit breaker |
| 04/13/2011 | CN201796804U 户外真空断路器 Outdoor vacuum circuit breaker |
| 04/13/2011 | CN201796803U Automatic insulating device of tank type high-voltage circuit breaker |
| 04/13/2011 | CN201796802U High-pressure gas insulating load switch |
| 04/13/2011 | CN201796801U 72.5kV three-phase outdoor high-voltage tank type breaker |
| 04/13/2011 | CN102017040A Vacuum circuit breaker |
| 04/13/2011 | CN102017039A Heat dissipating means for circuit-breaker and circuit-breaker with such heat dissipating means |
| 04/13/2011 | CN102017038A Medium voltage switch unit |
| 04/13/2011 | CN102013642A Vacuum insulated switchgear |
| 04/13/2011 | CN102013356A Arc extinguish chambers of high voltage alternating current SF6 pot-type breaker |
| 04/13/2011 | CN102013355A Control method for prolonging service life of permanent magnet driven vacuum circuit breaker |
| 04/13/2011 | CN101477903B Permanent magnet mechanism controller |
| 04/13/2011 | CN101297386B Vacuum insulation switch equipment |
| 04/12/2011 | US7924540 Over-voltage protection circuit |
| 04/07/2011 | WO2011039133A1 Winding for a contact of a medium-voltage vacuum bulb having improved arc cutoff, and related vacuum bulb and circuit breaker, such as an alternator disconnect circuit breaker |
| 04/07/2011 | US20110079583 Circuit breaker having dual arc chamber |
| 04/07/2011 | DE10355568B4 Schaltgerät für den Mittel- und Hochspannungsbereich Switching device for medium and high voltage |
| 04/07/2011 | DE10351766B4 Metallgekapselte Schaltvorrichtung Metal-encapsulated switching device |
| 04/06/2011 | EP2306482A1 Main circuit terminal assembly for vacuum circuit breaker |
| 04/06/2011 | EP2306481A1 Electrode for switch and vacuum switch, and method of manufacturing electrode for switch or vacuum switch |
| 04/06/2011 | EP2304753A1 Controller unit for switching device |
| 04/06/2011 | EP2304752A1 Controller unit for switching device |
| 04/06/2011 | EP1336231B1 Device for earthing a switching device arranged in a module frame in a displaceable manner |
| 04/06/2011 | CN201788892U Alternating current high voltage vacuum circuit breaker |
| 04/06/2011 | CN201788891U Operating mechanism of universal vacuum circuit breaker |
| 04/06/2011 | CN201788890U Integral contact terminal for 12-kilovolt vacuum switch pipe |
| 04/06/2011 | CN201788889U Technical positioning structure of vacuum arc extinguishing chamber of vacuum circuit breaker |
| 04/06/2011 | CN201788888U Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode |
| 04/06/2011 | CN201788887U Direct-acting vacuum breaker equipped with bistable permanent-magnetic operating mechanism |
| 04/06/2011 | CN201788886U Sealing device of draw bar of moving end of gaseous insulation circuit breaker |
| 04/06/2011 | CN201788885U Portable GIS (geographic information system) gas recovering device |
| 04/06/2011 | CN201788884U Gas seal groove |
| 04/06/2011 | CN201788883U Cooling device of GIS circuit breaker arc-extinguishing chamber |
| 04/06/2011 | CN201788882U Main transmission shaft kit of SF6 load switch |
| 04/06/2011 | CN201788877U Multi-station high-voltage switch |
| 04/06/2011 | CN102005329A Connection structure of tension spring type balance spring of double-arm folding type high-voltage alternating current isolating switch |
| 04/06/2011 | CN102005328A Rotating arc type arc-extinguishing method of gas insulating load switch |
| 04/05/2011 | US7920037 Fault interrupter and load break switch |
| 04/05/2011 | US7919720 Earthing switch |
| 03/31/2011 | WO2011035781A1 Burn-off element to be arranged on a switch contact of a power circuit breaker |
| 03/31/2011 | US20110073568 Shield Apparatus for Circuit Breaker |
| 03/31/2011 | US20110073567 Electrode for Switch and Vacuum Switch, and Method of Manufacturing Electrode for Switch or Vacuum Switch |
| 03/31/2011 | US20110073446 Switchgear and switchgear operating mechanism |
| 03/31/2011 | DE102009043553A1 Switching arrangement for phase exact switching of alternating voltage, has relay with switching contact lying in load current cycle, where load current cycle has pair of connections |
| 03/31/2011 | DE102009043195A1 Abbrandelement zur Anordnung an einem Schaltkontakt eines Leistungsschalters Abbrandelement for arrangement on a switching contact of a circuit breaker |