| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 08/14/2014 | US20140224769 Power Switching Apparatus |
| 08/14/2014 | DE102013202177A1 Elektrisches Bauelement Electrical component |
| 08/13/2014 | CN203774172U 高压负荷开关 High voltage load switch |
| 08/13/2014 | CN203774171U 一种真空断路器的合闸机构 Closing mechanism for a vacuum circuit breaker |
| 08/13/2014 | CN203774170U 一种带缓冲的真空断路器分闸机构 A vacuum circuit breaker opening mechanism buffered |
| 08/13/2014 | CN203774169U 一种真空断路器的分闸机构 A vacuum circuit breaker opening mechanism |
| 08/13/2014 | CN203774168U 一种带缓冲的真空断路器分闸机构 A vacuum circuit breaker opening mechanism buffered |
| 08/13/2014 | CN203774167U 一种小型的真空断路器弹簧操动机构 A small vacuum breaker spring mechanism |
| 08/13/2014 | CN203774166U 一种真空断路器手动操作专用工具 A vacuum breaker manually operated special tools |
| 08/13/2014 | CN203774165U 触头阻尼系统减震结构 Contact damping system damping structure |
| 08/13/2014 | CN203774164U 设置有阻尼结构的触头座 Set damping structure contacts seat |
| 08/13/2014 | CN203774163U 户内高压真空断路器 Indoor high voltage vacuum circuit breaker |
| 08/13/2014 | CN203774162U 一种高压真空断路器 A high voltage vacuum circuit breaker |
| 08/13/2014 | CN203774161U 高压负荷开关装置 High voltage load switch devices |
| 08/13/2014 | CN203774160U 一种户内高压真空断路器固封极柱与传动机构的连接结构 Indoor high voltage vacuum circuit breaker within a solid seal pole connection structure and drive mechanism |
| 08/13/2014 | CN203774159U 一种多角度套管的户外真空断路器 A multi-angle casing outdoor vacuum circuit breaker |
| 08/13/2014 | CN203774158U 一种手车式户内真空断路器 Households within a handcart type vacuum breaker |
| 08/13/2014 | CN203774157U 一种固封极柱 One kind of solid seal pole |
| 08/13/2014 | CN203774156U 一种可调试动触头拉杆装置 One kind of adjustable tie means moving contact |
| 08/13/2014 | CN203774155U 柱上断路器 Column breaker |
| 08/13/2014 | CN203774154U 一种高压断路器防跳回路 A high voltage circuit breaker tripping circuit proof |
| 08/13/2014 | CN103988074A 确定流体绝缘电气设备的操作参数的方法和装置 Method and apparatus for determining operational parameters of fluid-insulated electric apparatus |
| 08/13/2014 | CN103985592A 一种带双隔离开关的真空断路器 A vacuum circuit breaker with a double isolation switch |
| 08/13/2014 | CN102683100B 高压真空灭弧室串联结构 High voltage vacuum interrupter tandem structure |
| 08/13/2014 | CN102683094B 一种高压断路器的上支架 A high-voltage circuit breaker bracket |
| 08/13/2014 | CN102575738B 开闭装置用操作机构的缓冲装置及其注油方法 Buffer means and the fuel injection apparatus method of operation of the opening and closing mechanism |
| 08/13/2014 | CN102568917B 盘式旋转型四断口真空灭弧室 Rotating disc type four fracture vacuum interrupter |
| 08/13/2014 | CN102543560B 一种刚性动力传递装置 Power transmission means of a rigid |
| 08/13/2014 | CN102522233B 双凸轮弹簧装置 Dual cam spring means |
| 08/13/2014 | CN102388514B 连接气体绝缘开关柜与空气绝缘开关柜的套管 Connecting the gas insulated switchgear and air-insulated switchgear sleeve |
| 08/12/2014 | US8803642 Electromagnetic contactor and electromagnetic contactor gas encapsulating method |
| 08/12/2014 | US8803457 AC motor drive control device |
| 08/12/2014 | US8803358 HVDC switchyard and an HVDC switchyard system |
| 08/12/2014 | US8803021 Switch unit, method for assembling a switch unit, and circuit breaker for a medium voltage circuit |
| 08/12/2014 | US8803012 High-voltage assembly |
| 08/12/2014 | US8803011 Sequential switching device with surrounding distinctive joint points structure |
| 08/06/2014 | EP2763152A1 An electric switching device and related electric apparatus |
| 08/06/2014 | EP2761639A1 Vacuum switching apparatus including first and second movable contact assemblies, and vacuum electrical switching apparatus including the same |
| 08/06/2014 | EP2761638A1 Vacuum switch and hybrid switch assembly therefor |
| 08/06/2014 | CN203760370U 一种隔离组合极柱 An isolating a combination of pole |
| 08/06/2014 | CN203760369U 一种注塑型极柱 An injection Poles |
| 08/06/2014 | CN203760368U 全绝缘固封真空断路器 Fully insulated solid seal vacuum breaker |
| 08/06/2014 | CN203760367U 一种智能断路器永磁操动机构 An intelligent breaker permanent magnetic actuator |
| 08/06/2014 | CN103975406A 用于中压开关元件装置的驱动杆 Driving lever means for medium voltage switching element of |
| 08/06/2014 | CN103975397A 电磁致动器 Electromagnetic actuator |
| 08/06/2014 | CN103971986A 一种有载分接开关的真空管驱动机构 A kind of vacuum tube drive mechanism load tap |
| 08/06/2014 | CN103971985A 真空开关管的接触件以及接触系统 Contact vacuum interrupters and the contact system |
| 08/06/2014 | CN103971984A 智能真空断路器 Intelligent vacuum breaker |
| 08/06/2014 | CN103971983A 一种真空开关管的安装结构及其安装工艺 A vacuum switch mounting structure and the installation process |
| 08/06/2014 | CN103971982A 一种gis电压互感器操纵装置 One kind of voltage transformer gis manipulator |
| 08/06/2014 | CN103971981A 气体绝缘开关装置 Gas insulated switchgear |
| 08/06/2014 | CN102349127B 带有配备灭弧气体偏转元件的断路间隔的高压断路器 Equipped with a high-voltage arc-extinguishing gas deflecting elements spaced breaker breaker |
| 08/06/2014 | CN102136392B 气体绝缘开关装置 Gas insulated switchgear |
| 08/05/2014 | US8797128 Switch having two sets of contact elements and two drives |
| 08/05/2014 | CA2627916C Current interrupter device having a double compression chamber |
| 07/31/2014 | US20140209569 Tank type vacuum circuit breaker |
| 07/31/2014 | US20140209568 Circuit breaker unit |
| 07/30/2014 | EP2760039A1 Switchgear operating mechanism and switchgear |
| 07/30/2014 | EP2760038A1 Solenoid operating device and opening and closing device using same |
| 07/30/2014 | EP2760034A1 On-load tap changing device and energizing mechanism thereof |
| 07/30/2014 | EP2758976A1 Mixture of hydrofluoroolefin and fluoroketone for use as an insulation and/or arc-extinguishing medium and a gas insulated medium-voltage electrical device comprising same |
| 07/30/2014 | CN203746744U 水下开关器 Underwater switching device |
| 07/30/2014 | CN203746742U 一种永磁驱动高压断路器机构 A permanent magnet drive high voltage circuit breaker mechanism |
| 07/30/2014 | CN203746741U 大电流自散热真空接触器 Since a large current heat vacuum contactors |
| 07/30/2014 | CN203746740U 真空断路器 Vacuum Circuit Breaker |
| 07/30/2014 | CN203746739U 一种一体化智能中压断路器 An integrated intelligent medium voltage circuit breaker |
| 07/30/2014 | CN203746738U 真空灭弧室固封极柱 Vacuum interrupters embedded pole |
| 07/30/2014 | CN203746737U 一种多功能灭弧室罐体 A multifunctional interrupter tank |
| 07/30/2014 | CN203746736U 隔离开关 Disconnectors |
| 07/30/2014 | CN203746735U 机械极性转换型隔离开关 Mechanical polar conversion type isolating switch |
| 07/30/2014 | CN103959420A 多相中压真空接触器 Multi-phase medium voltage vacuum contactors |
| 07/30/2014 | CN103959417A 开关装置 Switching device |
| 07/30/2014 | CN103956296A 一种用于控制真空有载分接开关真空管的驱动装置 A drive device vacuum tube-load tap changer for control |
| 07/30/2014 | CN103956295A 一种侧装式真空断路器 One kind of side-mounted vacuum circuit breaker |
| 07/30/2014 | CN103956294A 固封绝缘户外高压开关设备 Solid seal insulated outdoor high voltage switchgear |
| 07/30/2014 | CN102568910B 一种1100kV特高压串补旁路开关 One kind 1100kV UHV series compensated bypass switch |
| 07/30/2014 | CN102446655B 气体断路器 Gas circuit breaker |
| 07/30/2014 | CN102349126B 带有断路间隔的开关装置 Circuit switching device with a spacing |
| 07/30/2014 | CN102187209B 用于测量气体密度的压电传感器 For measuring the gas density of the piezoelectric transducer |
| 07/29/2014 | US8791779 Fast switch with non-circular Thomson coil |
| 07/24/2014 | US20140203548 Electrical switchgear unit |
| 07/24/2014 | US20140202990 Arc runners suitable for dc molded case circuit breakers and related methods |
| 07/24/2014 | DE112012004048T5 Tank-Vakuum-Leistungsschalter Tank Vacuum Circuit Breaker |
| 07/24/2014 | DE112005003632B4 Leistungsschalter Circuit breaker |
| 07/24/2014 | DE102013200918A1 Schaltgeräteanordnung Switchgear arrangement |
| 07/24/2014 | DE102013200914A1 Schaltverfahren und Schalteinrichtung Switching method and switching device |
| 07/24/2014 | DE102013200913A1 Schaltanordnung Switching arrangement |
| 07/23/2014 | EP2756568A1 Busbar connection |
| 07/23/2014 | EP2756512A1 Interrupting chamber for a circuit breaker |
| 07/23/2014 | CN203734141U 一种110kV户外高压智能隔离式断路器 One kind of outdoor high voltage 110kV circuit breaker intelligent isolated |
| 07/23/2014 | CN203733709U 真空断路器的合闸电磁铁安装结构 Closing solenoid mounting structure of the vacuum circuit breaker |
| 07/23/2014 | CN203733708U 固定式真空断路器的分合闸联锁机构 Stationary vacuum circuit breaker open and close interlocking mechanism |
| 07/23/2014 | CN203733707U 户外高压开关用操动机构 Outdoor high-voltage switching actuator |
| 07/23/2014 | CN203733706U 一种真空断路器储能传动机构 A vacuum breaker storage drive mechanism |
| 07/23/2014 | CN203733705U 真空断路器用双传动触头簧装置 Vacuum circuit breaker contacts with double drive spring means |
| 07/23/2014 | CN203733704U 户外永磁真空断路器绝缘座 Outdoor permanent magnet vacuum circuit breaker insulation seat |
| 07/23/2014 | CN203733703U 用于充气环网柜的极柱式真空负荷开关 Polar column vacuum load switch for inflatable RMU |
| 07/23/2014 | CN203733702U 一种高可靠性的新型高压真空断路器触头簧传动装置 A high-reliability, high-voltage vacuum circuit breaker contacts new spring gear |
| 07/23/2014 | CN203733701U 具有航空插头保护结构的真空断路器 A vacuum breaker air plugs protective structure |
| 07/23/2014 | CN203733700U 带方向性判断的零序接地保护的zw32型智能开关 Ground zero sequence directional protection zw32 judgment intelligent switch |