| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 08/17/2011 | CN201936799U 一种利用接触器触头串联控制永磁机构高压开关的电路 Contactor contact a use of permanent magnetic actuator series high voltage switch control circuit |
| 08/17/2011 | CN201936758U 一种磁力保持装置 A magnetic holding device |
| 08/17/2011 | CN102157297A Three-station vacuum switch tube |
| 08/17/2011 | CN102157296A High-voltage dual-power supply changing-over combination switch |
| 08/17/2011 | CN102157295A Control element of direct current high voltage loop system |
| 08/17/2011 | CN101677176B Integrated prepackage type transformer station |
| 08/17/2011 | CN101364498B Hydraulic operating mechanism for medium/high voltage circuit breaker |
| 08/17/2011 | CN101236856B Operation machine for cylinder permanent magnetic line motor of high-voltage breaker |
| 08/11/2011 | WO2011096097A1 Gas circuit breaker |
| 08/11/2011 | US20110192822 Limiter including a number of gas channels and electrical switching apparatus employing the same |
| 08/11/2011 | US20110192821 Interrupting chamber for high-voltage circuit breaker with improved arc blow-out |
| 08/11/2011 | DE102010007691A1 Elektrisches Schaltgerät Electrical switching apparatus |
| 08/11/2011 | DE102010007535A1 Stufenschalter mit Freilaufelement Position switch with freewheeling element |
| 08/10/2011 | CN201927540U 高压真空开关的单稳态永磁机构 Monostable permanent magnetic actuator voltage vacuum switch |
| 08/10/2011 | CN201927539U 高压真空断路器用模块化弹簧操动机构 Modular high-voltage vacuum circuit breaker actuator spring |
| 08/10/2011 | CN201927538U 一种用于断路器的真空灭弧室 A vacuum interrupter circuit breaker |
| 08/10/2011 | CN201927537U 陶瓷真空继电器陶瓷孔与无氧铜胀孔封接结构 Ceramic vacuum relay ceramic hole and the hole sealed structure OFC Expansion |
| 08/10/2011 | CN201927536U 改进型户外高压真空断路器 Improved outdoor high voltage vacuum circuit breaker |
| 08/10/2011 | CN201927535U 一种高绝缘的固封极柱 A highly insulated solid seal pole |
| 08/10/2011 | CN201927534U 一种塑封真空继电器 One kind of plastic vacuum relay |
| 08/10/2011 | CN201927533U 杯状线圈结构 Cup-coil structure |
| 08/10/2011 | CN201927532U 法兰盘与定位圈一体化陶瓷真空开关管 Integration with the positioning flange ring ceramic vacuum switch tube |
| 08/10/2011 | CN102148109A Vacuum switch tube for low-voltage circuit breaker |
| 08/10/2011 | CN101546672B Manipulating mechanism of indoor HVAC vacuum circuit breaker |
| 08/10/2011 | CN101379579B Vacuum-type electrical switching apparatus |
| 08/10/2011 | CN101345156B Demarcation switch |
| 08/10/2011 | CN101297387B Circuit interrupter assembly and method of making the same |
| 08/10/2011 | CN101290846B Vacuum interrupter |
| 08/10/2011 | CN101086924B Circuit-breaker disconnecting switch of an alternator activated by a servomotor |
| 08/09/2011 | CA2508989C High current switch and method of operation |
| 08/09/2011 | CA2411644C Internal fault indicator for power electrical devices |
| 08/04/2011 | WO2011092442A1 Device for suppressing an electric arc |
| 08/04/2011 | US20110187204 Inductive touch key switch system, assembly and circuit |
| 08/04/2011 | US20110186549 Vacuum switch tube |
| 08/04/2011 | US20110186548 Vacuum switch tube |
| 08/04/2011 | US20110186547 Vacuum switch tube |
| 08/04/2011 | US20110186546 Vacuum switch tube |
| 08/03/2011 | EP2351060A1 Vacuum switch having fixed rail terminals on both sides |
| 08/03/2011 | CN201918310U 断路器双稳态选相过零通断执行机构 Bistable circuit breaker phase selection zero off actuator |
| 08/03/2011 | CN201918309U 一种用于断路器的固封极柱 Solid seal for a circuit breaker pole |
| 08/03/2011 | CN201918308U 固封式真空断路器 Solid seal vacuum breaker |
| 08/03/2011 | CN201918307U 缓冲式固封绝缘永磁户外高压真空断路器 Buffered solid seal insulated permanent magnet outdoor high voltage vacuum circuit breaker |
| 08/03/2011 | CN201918306U 带散热装置的固封极柱 Solid seal with a heat sink Poles |
| 08/03/2011 | CN201918305U 40.5kv加强型固封绝缘极柱 40.5kv reinforced solid seal insulated pole |
| 08/03/2011 | CN201918304U 一种真空断路器的真空泡导电基座 A vacuum breaker vacuum bubbles conductive base |
| 08/03/2011 | CN201918303U 上下屏蔽罩 Upper and lower shield |
| 08/03/2011 | CN201918302U 断路器弹簧储能机构的控制装置 Control unit breaker spring charging mechanism |
| 08/03/2011 | CN201918301U Rotary-arc-type arc extinguishing device of gas insulated load switch |
| 08/03/2011 | CN201918299U 一种永磁机构带隔离的配网自动化开关 A permanent magnet agency distribution network automation with isolation switch |
| 08/03/2011 | CN101465234B Device for transmitting current of isolation switch switching bus bar |
| 08/02/2011 | US7990687 Gas-insulated switchgear |
| 08/02/2011 | US7989988 Semiconductor integrated circuit device |
| 08/02/2011 | US7989726 Electrical device containing insulating gas under pressure and including a composite insulator provided with a window for observing contacts |
| 07/28/2011 | WO2011091429A2 Circuit breaker panel |
| 07/28/2011 | WO2011089741A1 Vacuum valve |
| 07/28/2011 | WO2011089034A1 Vacuum switch tube |
| 07/28/2011 | US20110180514 Gas insulated switchgear |
| 07/28/2011 | CA2787485A1 Vacuum interrupter |
| 07/28/2011 | CA2787077A1 Circuit breaker panel |
| 07/27/2011 | EP1309978B1 A method and a device for prediction of a zero-crossing of an alternating current |
| 07/27/2011 | CN201910366U Fast control mechanism for extra-high voltage vacuum circuit breaker |
| 07/27/2011 | CN201910365U Vacuum circuit breaker with integrative static conductive rod |
| 07/27/2011 | CN201910364U Pole of vacuum circuit breaker |
| 07/27/2011 | CN201910363U Self-sealing valve used for being connected with density relay |
| 07/27/2011 | CN201910362U Inhibiting device for torsional spring of indoor high-voltage isolating switch |
| 07/27/2011 | CN1776855B Electrode, electrical contact and method of manufacturing the same |
| 07/27/2011 | CN102138261A Gas-insulated device |
| 07/27/2011 | CN102136392A Gas insulated switchgear |
| 07/27/2011 | CN102136391A Electromagnetic mechanism of vacuum contactor |
| 07/27/2011 | CN102136390A Embedded pole arranged inside gas insulating mechanism |
| 07/27/2011 | CN102136389A Compact hydraulic operating mechanism |
| 07/27/2011 | CN101937793B Compact handcart type sealed insulating pole horizontal permanent magnetic vacuum breaker |
| 07/27/2011 | CN101552153B A vacuum arc-extinguishing chamber contact |
| 07/27/2011 | CN101447361B Remaining hydraulic spring mechanism |
| 07/27/2011 | CN101431218B Intelligent duplicate supply switching device |
| 07/27/2011 | CN101375359B Status holding apparatus and switching control device equipped with the same |
| 07/27/2011 | CN101350256B Operation apparatus for three-position switch |
| 07/27/2011 | CN101326605B Electro-magnetic force driving actuator and circuit breaker using the same |
| 07/27/2011 | CN101288141B Heavy-duty circuit breaker featuring arc-resistant fault current conduction |
| 07/21/2011 | WO2011086902A1 Gas insulated switchgear |
| 07/21/2011 | WO2011086699A1 Vacuum bulb |
| 07/21/2011 | WO2011086671A1 Inrush current alleviating device and inrush current alleviating method |
| 07/21/2011 | WO2011086670A1 Electromagnetically-operated switching device |
| 07/21/2011 | WO2011086028A1 Arc chamber for a circuit breaker and circuit breaker having an arc chamber |
| 07/21/2011 | WO2011085887A1 Medium voltage circuit breaker |
| 07/21/2011 | US20110174781 Arc chamber employing a number of gassing inserts to form a number of gas flow circulation paths and electrical switching apparatus including the same |
| 07/21/2011 | US20110174780 Switching installation with arc protection and arc protection method |
| 07/21/2011 | US20110174779 Switching installation with arc protection and arc protection method |
| 07/21/2011 | DE102010005090A1 Schaltkammer für einen Leistungsschalter sowie Leistungsschalter mit Schaltkammer Switching chamber for a power switch and power switch with switching chamber |
| 07/21/2011 | CA2787076A1 Arc chamber for a circuit breaker and circuit breaker having an arc chamber |
| 07/20/2011 | EP2346061A1 Electrode structure for vacuum circuit breaker |
| 07/20/2011 | EP2346060A1 Medium voltage circuit breaker. |
| 07/20/2011 | EP2346059A2 Method for switching an electric power circuit |
| 07/20/2011 | CN201904276U Driving device for vacuum circuit breaker with permanent magnetic mechanism |
| 07/20/2011 | CN201904275U Hand-operated opening mechanism for permanent magnetic vacuum circuit breaker |
| 07/20/2011 | CN201904274U Structural high-voltage vacuum load switch special for wind power generation tower column |
| 07/20/2011 | CN201904273U High-breaking vacuum load switch |
| 07/20/2011 | CN201904272U Flexible interlocking mechanism of vacuum circuit breaker |
| 07/20/2011 | CN102132371A High-voltage breaker with prods gap |
| 07/20/2011 | CN102132370A A DC current breaker |