| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 01/18/2012 | EP2407991A1 Vacuum valve |
| 01/18/2012 | EP2407990A1 Circuit-breaker pole part and method for producing such a pole part |
| 01/18/2012 | EP2407989A1 Method for producing a circuit-breaker pole part |
| 01/18/2012 | EP2407988A1 Medium voltage circuit-breaker for outdoor use |
| 01/18/2012 | EP2407987A2 Method for manufacturing a composite bushing, and partial discharge diagnosis system for a composite bushing |
| 01/18/2012 | EP2406802A1 Circuit for controlling an electromagnetic actuator for a vacuum switch |
| 01/18/2012 | CN202121249U Air channel communication structure for high voltage switchgear |
| 01/18/2012 | CN202120816U Fuse electric appliance combination type insulating support |
| 01/18/2012 | CN202120815U Fuse electric appliance combination type vacuum load switch |
| 01/18/2012 | CN202120814U Load type vacuum load switch |
| 01/18/2012 | CN202120813U Load type insulation support |
| 01/18/2012 | CN202120812U VLP solid-sealed polar pole structure |
| 01/18/2012 | CN202120811U User boundary circuit breaker |
| 01/18/2012 | CN202120810U 220kV three phase mechanical linkage sulfur hexafluoride breaker |
| 01/18/2012 | CN202120773U Insulation pull bar and connection structure employing the insulation pull bar |
| 01/18/2012 | CN102324339A Electrified railway switching equipment |
| 01/18/2012 | CN102324338A Circuit breaker with online over-travel monitoring function and monitoring method thereof |
| 01/18/2012 | CN102324337A Circuit breaker with vacuum degree online monitoring function and monitoring method for circuit breaker |
| 01/18/2012 | CN102324333A Prepulse switch for isolating waterline from oil line |
| 01/18/2012 | CN101783263B Bistable-state permanent magnet mechanism of parallel magnetic circuits |
| 01/17/2012 | US8097824 Arc extinguishing device of circuit breaker for manual motor starter |
| 01/12/2012 | WO2012005865A1 Arcing fault and arc flash protection system having a high-speed switch |
| 01/12/2012 | WO2012003863A1 Selector switch mechanism with compensation for position of the cam slot |
| 01/12/2012 | WO2012003527A1 An electrical isolator |
| 01/12/2012 | US20120006791 Arc extinguishing mechanism for mold cased circuit breaker |
| 01/12/2012 | DE102010026528A1 Elektrischer Leistungsschalter und Verfahren zum Betreiben eines elektrischen Leistungsschalters Electrical circuit breakers and method for operating an electrical circuit breaker |
| 01/12/2012 | CA2804380A1 An electrical isolator |
| 01/12/2012 | CA2802983A1 Arcing fault and arc flash protection system having a high-speed switch |
| 01/11/2012 | CN202111408U Air passage connecting structure for high voltage switch equipment |
| 01/11/2012 | CN202111402U 3AH5 vacuum circuit breaker handcart |
| 01/11/2012 | CN202110999U Device for on-line monitoring vacuum degree of intelligent switch cabinet vacuum switch arc-extinguishing chamber |
| 01/11/2012 | CN202110998U Outdoor high-voltage vacuum circuit breaker |
| 01/11/2012 | CN202110997U Separate vacuum circuit breaker |
| 01/11/2012 | CN202110996U Control module special for alternating current vacuum contactor |
| 01/11/2012 | CN202110995U Vacuum disconnector |
| 01/11/2012 | CN202110930U Distribution transformer capable of automatically regulating capacity and voltage |
| 01/11/2012 | CN1825725B Vacuum switchgear |
| 01/11/2012 | CN102318026A Switchgear arrangement |
| 01/11/2012 | CN102318025A Mesuring device for determining the fill quantity of an SF6 gas in an isolation chamber or a switchgear, and corresponding method |
| 01/11/2012 | CN102315041A Embedded pole applied to high-altitude region |
| 01/11/2012 | CN101826407B Arc-less switch and manufacturing method and using method thereof |
| 01/11/2012 | CN101710546B High-voltage three-pole AC vacuum contactor |
| 01/11/2012 | CN101447363B Cylindrical linear induction motor control device of a high voltage circuit breaker and application method thereof |
| 01/11/2012 | CN101395686B Vacuum circuit breaker of tank type |
| 01/11/2012 | CN101359553B Vacuum switch tube |
| 01/11/2012 | CN101359549B Vacuum switch tube |
| 01/11/2012 | CN101252054B Gas switch |
| 01/10/2012 | US8093762 Semiconductor integrated circuit device |
| 01/05/2012 | WO2012002677A2 Hybrid extinction-type gas circuit breaker for a gas insulated switchgear |
| 01/04/2012 | EP2402970A1 Arc chamber for a medium- or high-voltage circuit breaker with reduced operating energy and dimensions |
| 01/04/2012 | EP2402969A1 Arc chamber for a medium- or high-voltage circuit breaker with reduced operating energy |
| 01/04/2012 | EP2401753A1 Retaining ring for a vacuum switching tube and vacuum switching tube |
| 01/04/2012 | EP2313901B1 Spring-loaded switch |
| 01/04/2012 | CN202103354U Handcart-type permanent magnet combination open circuit device |
| 01/04/2012 | CN202102959U Circuit breaker arc-extinguishing chamber |
| 01/04/2012 | CN202102958U Arc extinguishing device used for outdoor pole mounted SF6 load switch |
| 01/04/2012 | CN202102957U Separating position-limiting structure of outdoor high-voltage alternating-current vacuum circuit breaker |
| 01/04/2012 | CN202102956U Opening release device for solid sealing type vacuum circuit breaker |
| 01/04/2012 | CN202102955U Mining explosion-proof combined starter |
| 01/04/2012 | CN202102954U Structure of top surface outgoing type solid-sealed polar pole |
| 01/04/2012 | CN202102953U Novel solid sealing post |
| 01/04/2012 | CN202102952U Mining feed switch |
| 01/04/2012 | CN202102951U Sealing structure of gas-filled circuit breaker |
| 01/04/2012 | CN202102950U Three-station operation mechanism |
| 01/04/2012 | CN102308353A Electrical contact for vacuum valve and vacuum circuit breaker using the same |
| 01/04/2012 | CN102306591A Self-energy arc extinguishing switch device comprising composite insulation cylinder |
| 01/04/2012 | CN102306590A Arc extinguishing chamber of circuit breaker |
| 01/04/2012 | CN102306589A Low-pressure permanent magnetic vacuum load switch |
| 01/04/2012 | CN102306588A Combined electrode column of vacuum arc extinguishing chamber |
| 01/04/2012 | CN102306587A Inner and outer corrugated tube structure of dry high-pressure air or nitrogen gas insulating vacuum arc extinguishing chamber |
| 01/04/2012 | CN101546670B Zero current disjunction AC vacuum contactor |
| 01/03/2012 | US8089023 Arc-extinguishing processed resin article and circuit breaker that uses same |
| 01/03/2012 | US8089020 Gas-insulated switching apparatus |
| 01/03/2012 | US8087166 Method for making an axial magnetic field vacuum fault interrupter |
| 12/29/2011 | WO2011162398A1 Method for producing electrode material for vacuum circuit breaker, electrode material for vacuum circuit breaker and electrode for vacuum circuit breaker |
| 12/29/2011 | WO2011161121A1 High-voltage switching unit |
| 12/29/2011 | US20110315663 Magnetic actuator circuit for high-voltage switchgear |
| 12/29/2011 | US20110315662 Arcing fault and arc flash protection system having a high-speed switch |
| 12/28/2011 | CN202094068U 一种真空接触器-熔断器组合电器专用撞针结构 A vacuum contactor - fuse combinations dedicated striker structure |
| 12/28/2011 | CN202094045U 一种10kV真空断路器合闸线圈的安装结构 Install the 10kV vacuum circuit breaker closing coil structure |
| 12/28/2011 | CN202094044U 真空断路器真空管用静件及具有该静件的真空管 Vacuum circuit breaker with a static vacuum parts and has the quiet parts of the vacuum |
| 12/28/2011 | CN202094043U 动触头组件及其应用动触头组件的电磁隔离驱动智能开关 Electromagnetic isolation movable contact assembly movable contact assembly and its applications driven intelligent switch |
| 12/28/2011 | CN202094042U 一种真空灭弧室部件封接模具 A vacuum interrupter component sealing dies |
| 12/28/2011 | CN202094041U 一种矿用隔爆型真空馈电开关 One kind of flameproof vacuum feed switch |
| 12/28/2011 | CN202094040U 一种用于高压无线计量终端的真空断路器 A high-voltage vacuum circuit breaker terminal wireless metering |
| 12/28/2011 | CN202094039U 用于SF<sub>6</sub>高压开关的保温加热器 For SF <sub> insulation heater 6 </ sub> high voltage switch |
| 12/28/2011 | CN202094038U 直抡两步动作式户外高压交流接地开关 Straight whirl-step action type outdoor high-voltage AC grounding switch |
| 12/28/2011 | CN101373910B 用于空气断路器的接通弹簧储能装置中的驱动电动机 Energy storage device is used to put a spring in the air circuit breaker drive motor |
| 12/28/2011 | CN101048836B 具有运动反转的大功率开关 Power switches with motion reversal |
| 12/27/2011 | US8085123 Wear indicator for a circuit interrupter exhaust control device |
| 12/22/2011 | WO2011159248A1 Switchgear with single-phase insulation comprising air and screens |
| 12/22/2011 | US20110309715 Dielectric insulation medium |
| 12/22/2011 | US20110309052 Moving seal with arc creepage surface for an air circuit breaker |
| 12/21/2011 | EP2396800A1 Switchgear arrangement with a switch path |
| 12/21/2011 | EP2396799A1 Switchgear arrangement |
| 12/21/2011 | EP2396798A1 High-voltage power switch having a contact gap equipped with switching gas deflection elements |
| 12/21/2011 | CN202084471U 一种高寿命、免维护新型真空断路器 A high-life, maintenance-free new vacuum breaker |
| 12/21/2011 | CN202084470U 一种真空灭弧室的封接环与固定环连接结构 A vacuum interrupter sealing ring and retaining ring connecting structure |
| 12/21/2011 | CN202084469U 一种低重击穿概率及高容性电流开断能力的真空开断器 A low weight and high breakdown probability capacitive current breaking capacity of the vacuum breaker open |
| 12/21/2011 | CN202084468U 一种固封极柱 One kind of solid seal pole |