| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 04/25/2012 | CN102426975A 一种永磁操动机构 A permanent magnet actuator |
| 04/25/2012 | CN102426974A 双分闸速度永磁操动机构及真空断路器 Double opening speed permanent magnetic actuator and vacuum circuit breakers |
| 04/25/2012 | CN102426973A 一种高压真空断路器 A high voltage vacuum circuit breaker |
| 04/25/2012 | CN102426972A 真空开关设备 Vacuum switchgear |
| 04/25/2012 | CN102426971A 品字形相间全固体绝缘中高压开关设备 Triangle and white all-solid-insulated high-voltage switchgear |
| 04/25/2012 | CN101866764B 真空浇注绝缘拉杆后固化工装结构 After curing vacuum insulated rod casting tooling structure |
| 04/25/2012 | CN101582347B 永磁式35kv真空断路器 Permanent Magnet 35kv Vacuum Circuit Breaker |
| 04/25/2012 | CN101425404B 永磁式双电源转换开关 Permanent magnet dual power switch |
| 04/25/2012 | CN101393816B 具有自卫能力的电磁液压阀型弹簧液压操动机构 Electromagnetic hydraulic valve springs hydraulic actuator having a self-defense capability |
| 04/25/2012 | CN101383242B 智能双电源投切开关装置 Intelligent dual power switching switching device |
| 04/25/2012 | CN101331573B 用于真空式电气装置高气压条件检测的方法和设备 Method and apparatus for vacuum-type high-pressure conditions of the electrical device detection |
| 04/24/2012 | US8164404 Electromagnetic relay |
| 04/24/2012 | US8164019 Contact for a medium-voltage vacuum circuit-breaker with improved arc extinction, and an associated circuit-breaker or vacuum circuit-breaker, such as an AC generator disconnector circuit-breaker |
| 04/24/2012 | US8164018 Circuit breaker arc chambers and methods for operating same |
| 04/19/2012 | WO2012049730A1 Gas circuit breaker |
| 04/19/2012 | US20120091102 Contact for vacuum interrupter |
| 04/19/2012 | US20120091101 Contact assembly for vacuum interrupter |
| 04/19/2012 | DE10301270B4 Trennschalter für die Installierung in einem Schaltvorrichtungsgehäuse Isolating switch for installing in a switching device housing |
| 04/18/2012 | EP2442344A1 Electromagnetic switching device |
| 04/18/2012 | EP2442339A1 Contact assembly for vacuum interrupter |
| 04/18/2012 | EP2442338A1 Contact for vacuum interrupter |
| 04/18/2012 | EP2441081A1 Drive mechanism for electric switching devices having three separate positions |
| 04/18/2012 | CN202196693U 一种高压真空断路器 A high voltage vacuum circuit breaker |
| 04/18/2012 | CN202196692U 基于真空断路器的跪式缓冲限位装置 Based kneeling cushion stopper vacuum circuit breaker |
| 04/18/2012 | CN202196691U 固体极柱 Solid pole |
| 04/18/2012 | CN102420074A 真空接触器的电动合分闸装置 Electric vacuum contactor sub-gate device |
| 04/18/2012 | CN102420073A 双向负荷绝缘拉杆 Bidirectional load insulated rod |
| 04/18/2012 | CN102420072A 一种三相共体的真空灭弧室 A three-phase vacuum interrupter ECOWAS |
| 04/18/2012 | CN102420071A 全封闭固封极柱 Closed embedded pole |
| 04/18/2012 | CN102420070A 不停电作业用快装真空负荷开关 Does not work with a quick power vacuum load switch |
| 04/18/2012 | CN102420069A Switchgear and method for operating switchgear |
| 04/18/2012 | CN101840808B 电气化铁道专用断路器 Railway electrification dedicated circuit breaker |
| 04/18/2012 | CN101728140B High voltage or ultra-high voltage high-current circuit breaker |
| 04/18/2012 | CN101599389B 双动式自能热膨胀型高压六氟化硫断路器灭弧室 Double-acting self-energy thermal expansion-type high voltage SF6 circuit breaker compartment |
| 04/18/2012 | CN101465236B 真空绝缘开关机构 The vacuum insulated switchgear |
| 04/18/2012 | CN101111915B 用于电动开关装置的断续器单元 The interrupter unit for an electric switching device |
| 04/18/2012 | CN101088135B 具有针对热气的密封件的大功率开关 With a heat seal for high-power switch |
| 04/12/2012 | WO2012046729A1 Circuit breaker phase control switching system and circuit breaker control unit |
| 04/12/2012 | WO2012045360A1 Direct current circuit breaker |
| 04/12/2012 | US20120085735 Gas insulation apparatus |
| 04/12/2012 | US20120085628 Electrical apparatus, and racking assembly and coupling therefor |
| 04/11/2012 | CN202189725U 单级直动低压永磁真空负荷开关 Single-stage low-pressure direct drive permanent magnet vacuum load switch |
| 04/11/2012 | CN202189724U 一种高压真空开关 A high voltage vacuum switch |
| 04/11/2012 | CN202189723U 一种无需外供电源的户外交流高压真空自动分段器 An outdoor AC high voltage without external power supply vacuum automatic slicer |
| 04/11/2012 | CN202189722U 一种固封真空开关 One kind of solid seal vacuum switch |
| 04/11/2012 | CN202189721U 双接地三工位真空开关管 Dual grounded three-position vacuum switch |
| 04/11/2012 | CN202189720U 具有电动力补偿回路的真空断路器 Vacuum circuit breaker with electric power compensation circuit |
| 04/11/2012 | CN202189719U 可调节的六氟化硫断路器充放气工具 Adjustable charge-discharge gas sulfur hexafluoride circuit breaker tool |
| 04/11/2012 | CN202189718U 户内断路器联锁装置 Indoor breaker interlock device |
| 04/11/2012 | CN202189664U 自动调容调压配电变压器 Auto-regulating distribution transformer capacity |
| 04/11/2012 | CN202189663U 组合式永磁机构调压调容开关 Combined permanent magnetic actuator voltage regulation tolerance switch |
| 04/11/2012 | CN102414769A 支撑托架 Support bracket |
| 04/11/2012 | CN102414766A 一种用于控制真空开关的电磁致动器的电路 Electromagnetic actuator for controlling a circuit of the vacuum switch |
| 04/11/2012 | CN102412519A Solid-sealed polar pole with insulation and switch cabinet |
| 04/11/2012 | CN102412091A 用于空气断路器的具有爬电表面的活动密封件 Activities for the air circuit breaker having a seal surface creepage |
| 04/11/2012 | CN102412090A 一种在线监测真空灭弧室真空度的断路器及其监测方法 Breakers and monitoring methods, an online monitoring vacuum interrupter vacuum |
| 04/11/2012 | CN102412089A 内置冷阴极规管的真空灭弧室真空度测量装置 Built-in cold cathode regulatory vacuum interrupter vacuum measurement device |
| 04/11/2012 | CN102412088A Breaker manipulator |
| 04/11/2012 | CN102412087A 真空灭弧室动静触头表面净化系统 Vacuum interrupter static and dynamic contact surface cleaning systems |
| 04/11/2012 | CN102412070A 动触头的导向与缓冲装置 Guiding and moving contact the cushioning device |
| 04/10/2012 | US8154839 High voltage surge arrester and method of operating the same |
| 04/05/2012 | WO2012045057A1 Bus transfer device |
| 04/05/2012 | WO2012042294A1 Compact vacuum interrupter with selective encapsulation |
| 04/05/2012 | WO2012042124A1 Electromagnetic actuator comprising a magnetic latch and cut-off device comprising such an actuator. |
| 04/05/2012 | WO2012041643A1 Resonant magnetic actuator |
| 04/05/2012 | WO2012041501A1 Medium voltage circuit breaker arrangement |
| 04/05/2012 | WO2012041484A1 Magnetic actuator with a non-magnetic insert |
| 04/05/2012 | WO2011134566A3 Method for monitoring insulating gases in gas-insulated switching systems |
| 04/05/2012 | DE19732882B4 Leistungsschalter Circuit breaker |
| 04/05/2012 | DE102010063866B3 Load circuit breaker, has coupling unit including transmission slider, and spring i.e. opened spring, arranged at bolts, where one of bolts of transmission slider is arranged on load-circuit breaker-support |
| 04/04/2012 | EP2437277A1 Medium voltage circuit breaker arrangement |
| 04/04/2012 | EP2076914B1 Interrupter tube with field distribution cylinder for high- or medium-voltage circuit breakers |
| 04/04/2012 | CN202183333U 铁道真空断路器电动推进联锁机构 Railway vacuum circuit breaker electric propulsion interlock mechanism |
| 04/04/2012 | CN202183332U 户外交流高压开关 Outdoor AC high voltage switch |
| 04/04/2012 | CN202183331U 一种真空灭弧室 A vacuum interrupter |
| 04/04/2012 | CN202183330U 高压真空断路器 High voltage vacuum circuit breaker |
| 04/04/2012 | CN202183329U 10kV柱上真空断路器 10kV pole vacuum breaker |
| 04/04/2012 | CN202183328U 一种断路器操作机构储能轴端防松装置 A circuit breaker operating mechanism storage shaft locking device |
| 04/04/2012 | CN202183327U Energy storage module for hydraulic spring energy storage driver and high-voltage circuit breaker driver |
| 04/04/2012 | CN202183320U 一种真空灭弧室老炼及真空度测试组合装置 A vacuum interrupter Aging and the degree of vacuum test combination device |
| 04/04/2012 | CN102403165A 10kV vacuum switch operating mechanism |
| 04/04/2012 | CN102403164A 真空断路器闭锁驱动机构 Vacuum circuit breaker lockout drive mechanism |
| 04/04/2012 | CN102403163A 柔性输电用快速卧式真空开关 FACTS with fast horizontal vacuum switch |
| 04/04/2012 | CN102403162A 气体断路器 Gas circuit breaker |
| 04/04/2012 | CN102403161A 一种具有开断母线转移电流能力的三工位开关 Having a breaking capacity of the bus transfer current three-position switch |
| 04/04/2012 | CN102403160A 快速三工位隔离开关 Fast three-position disconnector |
| 04/04/2012 | CN101587796B 断路器可调式分闸弹簧结构 Adjustable opening spring breaker structure |
| 04/04/2012 | CN101375357B 带有嵌入电阻的交流发电机断路器 With embedded resistors alternator circuit breaker |
| 04/04/2012 | CN101320650B 真空有载分接开关的真空泡系统整体式单元结构 Vacuum-load tap-vacuum bubble system monolithic unit structure |
| 04/03/2012 | US8148660 Gas-insulated high-voltage circuit breaker with a relief duct which is controlled by an overflow valve |
| 03/29/2012 | WO2012039373A1 Rush-current limiting apparatus |
| 03/29/2012 | WO2012038405A1 Circuit breaker for a high-voltage power line, comprising an insertion device arranged in a connecting channel |
| 03/29/2012 | WO2012038401A1 Circuit breaker comprising a device for inserting a resistor into a power line |
| 03/29/2012 | WO2012038227A1 Gas-insulated high-voltage switch for interruption of large currents |
| 03/29/2012 | WO2012038092A1 Vacuum interrupter for a circuit breaker arrangement |
| 03/29/2012 | WO2012038090A1 Electrical contact arrangement for vacuum interrupter arrangement |
| 03/28/2012 | EP2434515A1 Gas-insulated vacuum breaker |
| 03/28/2012 | EP2434514A1 Vacuum interrupter for a circuit breaker arrangement |
| 03/28/2012 | EP2434513A1 Electrical contact arrangement for vacuum interrupter arrangement |
| 03/28/2012 | EP2434503A1 Magnetic actuator with a non-magnetic insert |