| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 02/22/2012 | CN102360985A High-voltage vacuum circuit breaker |
| 02/22/2012 | CN102360984A Device for connecting circuit breaker with sulfur hexafluoride gas tank |
| 02/22/2012 | CN102360983A Circuit breaker control device |
| 02/22/2012 | CN102360982A Electronic electromagnetic type intelligent switch |
| 02/22/2012 | CN102360851A Combined permanent-magnetic mechanism voltage/capacity adjusting switch |
| 02/22/2012 | CN101814382B 弹簧操动机构的储能部件与分合闸部件结合装置及方法 Energy storage component spring actuator components combined with sub-closing device and method |
| 02/22/2012 | CN101533725B 高压断路器电液伺服操动机构 Electro-hydraulic servo actuator high voltage circuit breakers |
| 02/21/2012 | US8120211 Timing-device equipped energy-saving socket |
| 02/21/2012 | US8120209 Voltage sensing device for an individual cell of a group of battery cells |
| 02/21/2012 | US8119946 Electrical switching device having a contact piece which can move along a movement axis |
| 02/16/2012 | WO2012021430A1 Semiconductor assisted dc load break contactor |
| 02/16/2012 | WO2012020853A1 Method of extinguishing an electric arc in a low or high voltage switchgear by pulse discharge |
| 02/16/2012 | WO2012020285A1 Fail-open mechanism for motorized switch |
| 02/16/2012 | WO2012019775A1 Medium voltage circuit breaker arrangement operated by special transmission means |
| 02/16/2012 | WO2012019774A1 Fibre reinforced insulation material for embedded vacuum interrupters |
| 02/16/2012 | WO2012019773A1 Electrical contact arrangement, especially for an air insulated medium voltage circuit breaker |
| 02/16/2012 | US20120037599 Circuit breaker |
| 02/16/2012 | US20120037598 Circuit interrupter with enhanced arc quenching capabilities |
| 02/16/2012 | CA2808011A1 Fail-open mechanism for motorized switch |
| 02/15/2012 | EP2418670A1 Fibre reinforced insulation material for embedded vacuum interrupters |
| 02/15/2012 | EP2418669A1 Gas insulation device |
| 02/15/2012 | EP2418666A1 Electrical contact arrangement, especially for an air insulated medium voltage circuit breaker |
| 02/15/2012 | CN202145436U 配用弹簧机构的小型化252kV罐式断路器 Tank equipped with miniaturized 252kV circuit breaker spring mechanism |
| 02/15/2012 | CN102356447A Gas-insulated vacuum breaker |
| 02/15/2012 | CN102354632A Vacuum interrupter and vacuum circuit breaker using same |
| 02/15/2012 | CN102354631A Outdoor embedded pole |
| 02/15/2012 | CN101452755B 适用于电磁斥力推斥机构的大电流脉冲电源 Applies to the electromagnetic repulsion repulsion large current pulse power supply |
| 02/15/2012 | CN101252055B 断路器及其开闭方法 Circuit breakers and switching method |
| 02/15/2012 | CN101106034B 提供电流中断、隔离和接地的三位置真空断续器隔离开关 Provide current interruption, isolation and grounding of the three-position vacuum interrupter disconnectors |
| 02/14/2012 | US8115134 Arc extinguishing resin processed article and circuit breaker using the same |
| 02/14/2012 | US8115133 Gas-insulated circuit breaker |
| 02/14/2012 | US8115132 Heavy-duty circuit breaker with a housing |
| 02/14/2012 | US8115124 Circuit breaker |
| 02/09/2012 | DE102011008959B3 Stufenschalter mit Vakuumschaltröhren Tap changer with vacuum interrupters |
| 02/09/2012 | DE102009043553B4 Schaltungsanordnung zum phasengenauen Schalten einer Wechselspannung Circuitry for accurate phase switching of AC voltage |
| 02/09/2012 | DE102006056655B4 Schaltermodul für eine elektrische Schaltanlage Switch module for an electrical switchgear |
| 02/08/2012 | EP2415133A1 Bushing for connecting gas insulated switchgear with air insulated switchgear |
| 02/08/2012 | EP2415060A1 Circuit breaker |
| 02/08/2012 | EP2415059A1 Hydromechanical drive for electrical circuit breakers |
| 02/08/2012 | CN202142469U 开断63kA短路电流的252kV罐式断路器 Breaking 63kA short-circuit current of 252kV tank circuit breakers |
| 02/08/2012 | CN202142468U 三工位真空开关管 Three-position vacuum switch |
| 02/08/2012 | CN202142467U 一种断路器用的内置互感器支座 Built-in transformer with a circuit breaker seat |
| 02/08/2012 | CN202142466U 一种负荷开关壳体 A load balancing switch case |
| 02/08/2012 | CN202142465U Frame-type breaker having self-locking function |
| 02/08/2012 | CN102349127A High-voltage power switch having contact gap equipped with switching gas deflection elements |
| 02/08/2012 | CN102349126A Switchgear arrangement with a switch path |
| 02/08/2012 | CN102349124A Switch disconnector for galvanic direct current interruption |
| 02/08/2012 | CN102347168A Low-voltage intelligent circuit breaker with plastic shell |
| 02/07/2012 | US8110771 Vacuum insulating switch gear |
| 02/07/2012 | US8110770 Vacuum circuit breaker of tank type |
| 02/07/2012 | US8110769 Vacuum circuit breaker |
| 02/07/2012 | CA2606170C Actuator for use with electrical switches |
| 02/02/2012 | WO2012014282A1 Phase control switchgear |
| 02/02/2012 | WO2012013547A1 Vacuum interrupter chamber |
| 02/02/2012 | DE102010054665B3 Speichermodul für einen hydraulischen Federspeicherantrieb Memory module for a hydraulic spring operating mechanism |
| 02/02/2012 | DE102010033259A1 Vakuumschaltkammer Vacuum interrupter chamber |
| 02/02/2012 | CA2806254A1 Phase control switching device |
| 02/01/2012 | EP2411990A1 Switch disconnector for galvanic direct current interruption |
| 02/01/2012 | CN202134456U 模块式双稳态永磁机构控制器 Modular bistable permanent magnetic actuator controller |
| 02/01/2012 | CN202134455U 组合式高压转换开关 Modular high-voltage switch |
| 02/01/2012 | CN202134454U 高均匀电场型中间封接环 High-uniform electric field type intermediate sealing ring |
| 02/01/2012 | CN202134453U 真空灭弧室动静触头表面净化装置 Vacuum interrupter static and dynamic contact surface cleaning device |
| 02/01/2012 | CN202134452U 真空断路器触头 Vacuum circuit breaker contacts |
| 02/01/2012 | CN202134451U 新型连体保护罩 The new piece protective cover |
| 02/01/2012 | CN202134450U 矿用隔爆式真空馈电开关 Mine explosion-proof vacuum feed switch |
| 02/01/2012 | CN202134449U 一种拆装罐式断路器导电粒子捕捉器用托架 One kind of removable tank circuit breakers conductive particle capture Used bracket |
| 02/01/2012 | CN202134448U 瓷柱式高压六氟化硫断路器灭弧室用复合绝缘套管 Ceramic column high voltage SF6 circuit breaker compartment composite insulating sleeve |
| 02/01/2012 | CN202134429U 真空灭弧室大电流老炼装置 High current vacuum interrupter device Aging |
| 02/01/2012 | CN202134416U 永磁机构 Permanent magnetic actuator |
| 02/01/2012 | CN1677786B 高压开关器具和高压设备以及分离干扰颗粒的方法 High voltage switching equipment and high voltage equipment and method for separating particles interference |
| 02/01/2012 | CN101630818B 固封集成模块化真空环网开关设备 Integrated Modular solid seal vacuum ring network switching equipment |
| 02/01/2012 | CN101329964B 非sf6气体绝缘的户外高压真空断路器 Non-sf6 gas-insulated high-voltage vacuum circuit breaker outdoor |
| 02/01/2012 | CN101055813B 用于中压或高压开关设备的三位开关 Three-position switch for medium or high voltage switchgear |
| 01/31/2012 | US8106541 Outlet power strip with remote control |
| 01/31/2012 | US8106326 Grounding switch |
| 01/26/2012 | WO2012011119A1 Pressure propelled contact system for gas circuit breaker interrupter |
| 01/25/2012 | EP2410553A1 Gas-isolated high voltage switch |
| 01/25/2012 | CN202126962U Arc extinguishing chamber structure of 35kV sulfur hexafluoride circuit breaker |
| 01/25/2012 | CN202126961U Arc extinguish chamber structure of sulfur hexafluoride breaker |
| 01/25/2012 | CN202126960U Housing of arc extinguish chamber of automatic transfer switch |
| 01/25/2012 | CN202126959U Integrated electric conductive structure of high-voltage vacuum circuit breaker |
| 01/25/2012 | CN202126958U Safety structure of sulfur hexafluoride breaker body |
| 01/25/2012 | CN102334171A Retaining ring for a vacuum switching tube and vacuum switching tube |
| 01/25/2012 | CN102332688A 24kV small-sized vacuum load switch (circuit breaker) cabinet |
| 01/25/2012 | CN102332366A Combination device for testing large current aging and vacuum degree of a vacuum arc extinguish chamber |
| 01/25/2012 | CN102332365A Vacuum breaker isolation device and anti-maloperation method thereof |
| 01/25/2012 | CN102332364A Vacuum valve |
| 01/25/2012 | CN101807469B Lever system for driving vacuum bubble |
| 01/25/2012 | CN101661570B Expert system for measurement of vacuum degree and life management of vacuum arc extinguish chamber and application method |
| 01/25/2012 | CN101651060B Vacuum isolated phase change switch with manual-isolating switches |
| 01/25/2012 | CN101288140B Switch pole of supporting frame with lock device |
| 01/24/2012 | US8101881 Arc resistant switchgear vertical exhaust system |
| 01/21/2012 | CA2744437A1 Visible open for switchgear assembly |
| 01/19/2012 | WO2012007447A1 Interrupter tube switchgear for two confined contact electrodes |
| 01/19/2012 | WO2012007272A1 Electric switchgear panel with improved arc detection system, and related arc detecting method |
| 01/19/2012 | WO2012007173A1 Method for producing a circuit-breaker pole part |
| 01/19/2012 | WO2012007172A1 Circuit-breaker pole part and method for producing such a pole part |
| 01/19/2012 | US20120012558 Gas insulated breaking device |
| 01/19/2012 | DE102009023556B4 Elektrisches Schaltgerät mit einem thermischen Auslöser Electrical switching device having a thermal release |
| 01/18/2012 | EP2408076A1 Electric switchgear panel with improved arc detection system, and related arc detecting method |