| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 08/25/2010 | CN201562904U Novel AC high-voltage switch device |
| 08/25/2010 | CN201562644U Mechanical high-voltage circuit breaker having short circuit self-locking function |
| 08/25/2010 | CN201562626U GIS high voltage sulfur hexafluoride circuit breaker arc extinguish chamber with post terminals arranged in same case at different heights |
| 08/25/2010 | CN201562625U Safe operation mechanism of high-voltage vacuum circuit breaker |
| 08/25/2010 | CN201562624U Vacuum circuit breaker for gas insulated switchgear of railway system |
| 08/25/2010 | CN201562623U High voltage vacuum circuit breaker used on outdoor post |
| 08/25/2010 | CN201562622U Inflatable high-voltage switchgear vacuum circuit-breaker |
| 08/25/2010 | CN201562621U Multifunctional insulating sleeve of outdoor circuit breaker |
| 08/25/2010 | CN201562620U Outdoor circuit breaker with dual-power lead-in function |
| 08/25/2010 | CN201562619U Insulating sealing structure of breaker |
| 08/25/2010 | CN201562618U Miniaturized vacuum circuit breaker |
| 08/25/2010 | CN201562606U Switch contact installer |
| 08/25/2010 | CN101814400A Automatic high-voltage circuit breaker |
| 08/25/2010 | CN101814395A Linkage structure between vacuum circuit breaker operating mechanism and sealed pole |
| 08/25/2010 | CN101814394A Permanent-magnetic high-voltage vacuum circuit breaker |
| 08/25/2010 | CN101814393A Vacuum contactor with mixed magnetic field |
| 08/25/2010 | CN101814392A Commutation type DC breaker |
| 08/25/2010 | CN101814382A Energy storing part and switching-off and switching-on part combining device and method of spring operating mechanism |
| 08/24/2010 | US7781694 Vacuum fault interrupter |
| 08/19/2010 | WO2010091944A1 Switchgear arrangement with a switch path |
| 08/19/2010 | WO2010091943A1 Switchgear arrangement |
| 08/19/2010 | WO2010091933A1 High-voltage power switch having a contact gap equipped with switching gas deflection elements |
| 08/19/2010 | US20100206848 Method for production of a pole part of a medium-voltage switching device, as well as the pole part itself |
| 08/19/2010 | DE102009009452A1 Schaltgeräteanordnung mit einer Schaltstrecke Switchgear arrangement with a switching path |
| 08/19/2010 | DE102009009451A1 Schaltgeräteanordnung mit einer Schaltstrecke Switchgear arrangement with a switching path |
| 08/19/2010 | DE102009009450A1 Schaltgeräteanordnung Switchgear arrangement |
| 08/18/2010 | EP2218085A1 Device for detecting and locating electrical discharges in a fluid-insulated electrical apparatus |
| 08/18/2010 | EP1805774B1 Circuit interrupting device with a turnbuckle and weld break assembly |
| 08/18/2010 | EP1366499B1 Insulating material for over-moulding on medium and high voltage appliances, and medium and high voltage electric appliances using same |
| 08/18/2010 | CN201556567U High-voltage vacuum switch cable entry device |
| 08/18/2010 | CN101809702A Method for producing a hollow cylindrical component, in particular a shielding for a vacuum switching tube, and vacuum switching tube |
| 08/18/2010 | CN101809701A Tubular component usable as a shield in a vacuum switch tube and method for producing a tubular component usable as a shield in a vacuum switch tube |
| 08/18/2010 | CN101809700A Pole part of a medium-voltage switching device |
| 08/18/2010 | CN101807493A Ferromagnetic movement telescopic power system magnetic drive switch device |
| 08/18/2010 | CN101807489A Three-station switching tube |
| 08/18/2010 | CN101807488A Three-position device of vacuum interrupter |
| 08/18/2010 | CN101807487A Permanent magnet high-voltage vacuum circuit breaker |
| 08/18/2010 | CN101807486A Manual brake separating mechanism for high voltage switch |
| 08/18/2010 | CN101807472A Vacuum tube group for replacing copper-tungsten contact group of on-load tap changer |
| 08/18/2010 | CN101807471A Application of phased permanent magnet mechanism in on-load tap-changer and no-arc transferring on-load tap-changer |
| 08/18/2010 | CN101807469A Lever system for driving vacuum bubble |
| 08/18/2010 | CN101807468A Punch holder capable of accommodating vacuum bubbles |
| 08/18/2010 | CN101430974B Assembly device for energy accumulation spring |
| 08/17/2010 | US7777150 Three-pole apparatus for a medium or high voltage cubicle and associated cubicle comprising such a three-pole apparatus |
| 08/12/2010 | DE102009007474A1 Vakuumschaltröhre Vacuum interrupter |
| 08/11/2010 | CN201549440U Novel single fracture and singlecylinder arc extinguish chamber of self-energized type high pressure sulfur hexafluoride breaker |
| 08/11/2010 | CN201549439U Energy storage indicating mechanism of outdoor high-voltage vacuum circuit breaker |
| 08/11/2010 | CN201549438U Epoxy-enclosed contact arm sleeve |
| 08/11/2010 | CN201549437U Indoor fixed-sealing type permanent magnet vacuum circuit breaker |
| 08/11/2010 | CN201549436U Novel monopole phase control permanent-magnet mechanism vacuum switch |
| 08/11/2010 | CN201549435U Vacuum breaker cup |
| 08/11/2010 | CN201549434U Buffering mechanism of high-voltage breaker pole |
| 08/11/2010 | CN201549433U Buffering mechanism of high-voltage breaker pole |
| 08/11/2010 | CN201549432U Vacuum circuit breaker with insulation and protection device |
| 08/11/2010 | CN201549431U Electric vacuum isolation phase-change switch |
| 08/11/2010 | CN201549430U Gas filling tool for SF6 breaker |
| 08/11/2010 | CN201549429U Permanent magnetic actuator of SF6 high voltage circuit breaker |
| 08/11/2010 | CN201549428U Novel connecting pipe for pneumatic mechanism for circuit breaker |
| 08/11/2010 | CN201549427U Static arc contact terminal |
| 08/11/2010 | CN201549426U Outdoor high-voltage AC porcelain pole circuit breaker SF6 |
| 08/11/2010 | CN201549425U Static side device of outdoor high-voltage AC porcelain knob type SF6 breaker |
| 08/11/2010 | CN201549391U Residual magnetism mechanism for recloser |
| 08/11/2010 | CN201548578U Three-phase change-over switch used for GIS product test butt joint |
| 08/11/2010 | CN101800137A 真空负荷开关 Vacuum load switch |
| 08/11/2010 | CN101800136A Non-time difference double-power supply breaker |
| 08/11/2010 | CN101123150B Quick electromagnetic push driven machine |
| 08/10/2010 | US7772945 Electrical switching device |
| 08/10/2010 | US7772943 Design and method for keeping electrical contacts closed during short circuits |
| 08/10/2010 | US7772724 Load control device for use with lighting circuits having three-way switches |
| 08/10/2010 | US7772515 Vacuum switchgear assembly and system |
| 08/05/2010 | WO2010086236A1 Vacuum interrupter |
| 08/05/2010 | WO2010086024A1 Mesuring device for determining the fill quantity of an sf6 gas in an isolation chamber or a switchgear, and corresponding method |
| 08/05/2010 | US20100193475 Electromagnetic relay |
| 08/05/2010 | US20100193474 Limited flash-over electric power switch |
| 08/05/2010 | US20100192360 Axial magnetic field vacuum fault interrupter |
| 08/04/2010 | EP2214191A2 Gas-insulated equipment |
| 08/04/2010 | CN201540851U High-voltage vacuum circuit breaker polar post |
| 08/04/2010 | CN201540850U Inflatable vacuum circuit breaker solid sealed pole for switch apparatus |
| 08/04/2010 | CN201540849U Explosion-proof high-pressure vacuum switch |
| 08/04/2010 | CN201540848U Main circuit contact of SF6 tank-type circuit breaker |
| 08/04/2010 | CN101796603A Method for production of a pole part of a medium- voltage switching device, as well as the pole part itself |
| 08/04/2010 | CN101796602A Quickly exchangeable switching device in fixed type medium voltage switchgear system |
| 08/04/2010 | CN101794971A Vacuum insulated switch gear |
| 08/04/2010 | CN101794676A Vacuum switch tube of electrode with external magnetism gathering rings |
| 08/03/2010 | US7767917 Switch disconnector and switchgear assembly with a switch disconnector |
| 07/29/2010 | US20100187916 Magnetic flux measuring device and magnetic flux measuring method for stationary induction electrical apparatus, and synchronous switching control gear for circuit breaker |
| 07/28/2010 | CN201536083U 一种真空断路器的弹簧操动机构 A vacuum breaker spring mechanism |
| 07/28/2010 | CN201536082U Vacuum contactor apparatus |
| 07/28/2010 | CN201536081U 高压真空接触器双机互锁机构 Dual-voltage vacuum contactor interlock mechanism |
| 07/28/2010 | CN201536080U 一种电子电磁式智能开关 An electronic electromagnetic type smart switch |
| 07/28/2010 | CN101789328A Three-station vacuum arc extinguish chamber for all-solid switch cabinet |
| 07/28/2010 | CN101789327A Combined appliance of indoor high-voltage vacuum load switch and high-voltage fuse |
| 07/28/2010 | CN101789326A Remote-control high-voltage switch |
| 07/28/2010 | CN101789321A Device for interlocking electronic high-voltage circuit breaker and high-voltage isolating switch |
| 07/27/2010 | US7763821 Puffer-type gas blast circuit breaker |
| 07/22/2010 | US20100181291 Pole part of a medium-voltage switching device |
| 07/21/2010 | EP2209014A1 Partial corona discharge detection |
| 07/21/2010 | EP1623440B2 Electromagnetic actuator |
| 07/21/2010 | CN201533107U Miniature intelligent middle-pressure vacuum load switch cabinet |
| 07/21/2010 | CN201532899U Indicating interlocking device of electric operating mechanism |