| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 10/19/2011 | EP1665314B1 Medium voltage vacuum circuit interrupter |
| 10/19/2011 | CN202013836U Circuit breaker with operating mechanism and rotating-shaft support devices |
| 10/19/2011 | CN202013835U Universal type vacuum circuit breaker |
| 10/19/2011 | CN202013834U Erect-type multi-break modular circuit high-voltage vacuum breaker |
| 10/19/2011 | CN202013833U Self-temperature-limit heating insulation sleeve of SF6 circuit breaker |
| 10/19/2011 | CN202013820U Series compensation bypass switchgear |
| 10/18/2011 | US8039771 Vacuum envelope including self-aligning end shield, vacuum interrupter, vacuum circuit interrupter and method including the same |
| 10/13/2011 | WO2011125120A1 Power transfer switch |
| 10/13/2011 | WO2011125092A1 Drive circuit for electromagnetic manipulation mechanism |
| 10/13/2011 | DE102010015043A1 Elektrischer Leistungsschalter The electrical circuit breaker |
| 10/12/2011 | EP2375434A1 Electric voltage switch |
| 10/12/2011 | EP2375433A1 Circuit interrupter assembly and disconnect assembly |
| 10/12/2011 | CN202008954U Novel sliding block device for vacuum load switch of high-pressure vacuum circuit breaker |
| 10/12/2011 | CN202008953U Novel cam device used in vacuum load switch of high-pressure vacuum breaker |
| 10/12/2011 | CN202008952U Short circuit resistant limit slab for vacuum isolation reversing switch |
| 10/12/2011 | CN202008951U Sulfur hexafluoride load switch |
| 10/12/2011 | CN202008950U Combined electric appliance including sulfur hexafluoride load switch and fuse |
| 10/12/2011 | CN202008949U Interlocking device for 600A vacuum contactors |
| 10/12/2011 | CN202008948U Operation mechanism of combined electrical appliance cabinet for SF6 load switch fuse protector |
| 10/12/2011 | CN202008947U Novel opening and closing operation device adopting seesaw principle |
| 10/12/2011 | CN202008932U Novel interlocking device for vacuum load switch of high-pressure vacuum circuit breaker |
| 10/12/2011 | CN202008930U Energy storing device for spring operation mechanism of high-voltage switch |
| 10/12/2011 | CN102217012A Electromagnetic device |
| 10/12/2011 | CN102214534A Circuit breaker air chamber for gas-insulated switchgear |
| 10/12/2011 | CN102214533A Railway single-phase circuit breaker |
| 10/12/2011 | CN102214532A Intelligent wire-outgoing mode of detection loop of vacuum circuit breaker |
| 10/12/2011 | CN102214531A Permanent magnet vacuum circuit breaker |
| 10/12/2011 | CN101847839B 24kV solid insulated fully-closed switch equipment |
| 10/12/2011 | CN101494124B Electrical contact for vacuum valve |
| 10/11/2011 | US8035942 Safety switch device |
| 10/11/2011 | US8035054 Vacuum insulated switchgear |
| 10/06/2011 | WO2011121909A1 Electromagnetically operated mechanism, and manual opening and closing device of same |
| 10/06/2011 | WO2011120590A1 Vacuum interrupter |
| 10/06/2011 | US20110241446 Irreversible circuit activation switch |
| 10/06/2011 | US20110240603 Contact bridge with blow magnets |
| 10/05/2011 | EP2372739A1 Phase-control switchgear and method for controlling switchgear |
| 10/05/2011 | EP2370983A1 High voltage direct current circuit breaker arrangement and method |
| 10/05/2011 | CN202004337U Vacuum arc extinguishing assembly chamber of floor box AC high-voltage intelligent switch cabinet |
| 10/05/2011 | CN202003899U High-voltage vacuum switch for independent connecting line cavity type mobile substation |
| 10/05/2011 | CN202003898U Side-mounted indoor high voltage vacuum circuit breaker |
| 10/05/2011 | CN202003897U Contact supporting structure for vacuum universal breaker |
| 10/05/2011 | CN202003896U Vacuum omnipotent breaker with adjustable connecting rod structure |
| 10/05/2011 | CN202003872U Indoor high-voltage embedded pole circuit-breaker arc extinguish chamber assembly device |
| 10/05/2011 | CN1661872B Insulated earthing switch for gas-insulated switchgear assemblies |
| 10/05/2011 | CN101256913B High-voltage circuit-breaker lateral direction magnetic field permanent magnetism straight line motor operating mechanism |
| 10/05/2011 | CN101221864B Control mechanism of breaker |
| 10/04/2011 | US8030590 Gas-circuit breaker |
| 09/29/2011 | WO2011117914A1 Vacuum valve and switchgear equipped with said vacuum valve |
| 09/29/2011 | WO2010096290A8 Manual tripping device for circuit breaker |
| 09/28/2011 | EP2369608A1 High-voltage circuit breaker |
| 09/28/2011 | CN201994237U 大电流真空断路器用固封极柱 High current vacuum circuit breaker with solid seal pole |
| 09/28/2011 | CN201994236U 高压真空断路器下出线臂 Under high pressure vacuum breaker outlet arm |
| 09/28/2011 | CN201994235U 一种改进的永磁真空断路器控制器 An improved permanent magnetic vacuum circuit breaker controller |
| 09/28/2011 | CN201994234U High-voltage breaker with self-locking function |
| 09/28/2011 | CN102201297A Conductive connection structure of movable guide bar of vacuum breaker |
| 09/28/2011 | CN102201296A Vacuum switch and vacuum insulated switchgear |
| 09/28/2011 | CN101388525B Apparatus for detecting contact corona and arc-drawing of high voltage switch cabinet |
| 09/28/2011 | CN101385109B Arc-quenching chamber for a gas-insulated high voltage circuit-breaker |
| 09/22/2011 | WO2010057619A3 Process for producing a copper - chromium contact element for medium -voltage switchgear assemblies, and contact element itself |
| 09/22/2011 | US20110226740 Vacuum switch having fixed rail terminals on both sides |
| 09/21/2011 | CN201985028U 真空灭弧室动端防扭结构 Vacuum interrupter movable end anti-twist structure |
| 09/21/2011 | CN201985027U 真空灭弧室 Vacuum Interrupter |
| 09/21/2011 | CN201985026U 一种户外高压真空断路器用绝缘浇注体 Kind of outdoor high voltage vacuum circuit breaker with insulating casting body |
| 09/21/2011 | CN201985025U 固定式交流高压真空接触器与熔断器组合电器 Fixed AC high voltage vacuum contactors and fuse combination |
| 09/21/2011 | CN201985024U 自然风冷15kV户内高压真空发电机断路器 Natural air within 15kV indoor high voltage vacuum generator circuit breaker |
| 09/21/2011 | CN201985023U 一种电缆型真空断路器 A cable-type vacuum breaker |
| 09/21/2011 | CN201985022U 膜片式真空开关 Diaphragm vacuum switch |
| 09/21/2011 | CN201985021U 一种真空永磁分界开关 A vacuum switch permanent magnet boundaries |
| 09/21/2011 | CN201985020U 一种柱上断路器 One kind of column breaker |
| 09/21/2011 | CN201985019U 户外永磁真空断路器 Outdoor permanent magnet vacuum circuit breaker |
| 09/21/2011 | CN201985018U 高压开关罐体专用保温套 Dedicated high voltage switch tank insulation kits |
| 09/21/2011 | CN201985017U 一种带有隔离接地功能的弹操断路器 An isolated ground breaker with operating functions bomb |
| 09/21/2011 | CN201985016U 一种高压开关大电流辅助开关 A high voltage switch high current auxiliary switch |
| 09/21/2011 | CN201984978U 一种真空灭弧室整管装配模具 A vacuum interrupter entire tube assembly mold |
| 09/21/2011 | CN201984969U 罐式断路器储能弹簧位置观察条 Tank storage spring breaker position to observe Article |
| 09/21/2011 | CN1914704B Medium voltage switchgear assembly |
| 09/21/2011 | CN102194605A Fixed improved structure of vacuum tube of alternating current vacuum contactor |
| 09/21/2011 | CN102194604A Improved structure of terminal of alternating current vacuum contactor |
| 09/21/2011 | CN102194603A Permanent magnetic vacuum unidirectional switch and circuit breaker and contactor combined switch |
| 09/21/2011 | CN102194602A Permanent magnet vacuum unidirectional switch and multifunctional composition switch provided with same |
| 09/21/2011 | CN102194601A Permanent-magnetic vacuum one-way switch |
| 09/21/2011 | CN102074409B Sealing pole with irradiating device |
| 09/21/2011 | CN101587795B Circuit breaker and a system having the circuit breaker |
| 09/20/2011 | US8022577 Three-way and four-way switching circuit |
| 09/15/2011 | WO2011110561A1 Hybrid circuit breaker using a switch having return upon closure |
| 09/15/2011 | WO2011110557A1 Medium and high voltage electric switch having closing return and device for inserting a resistor |
| 09/15/2011 | US20110220613 Electrode structure for vacuum circuit breaker |
| 09/14/2011 | EP2365504A1 Electrode for switch and vacuum switch, and method of manufacturing electrode for switch or vacuum switch |
| 09/14/2011 | CN201975714U 新型固体绝缘开关 New Solid Insulated Switchgear |
| 09/14/2011 | CN201975705U 一种落地箱式交流高压智能开关柜 One kind of floor boxes AC high voltage intelligent switchgear |
| 09/14/2011 | CN201975356U 一种用于开关的永磁小能量过流脱扣装置 A small permanent magnet switch energy overcurrent tripping device |
| 09/14/2011 | CN201975332U 真空断路器的手动储能合闸自锁装置 Manual storage of vacuum circuit breaker closing self-locking device |
| 09/14/2011 | CN201975331U 防盗真空断路器的手动储能装置 Manual storage device security vacuum circuit breaker |
| 09/14/2011 | CN201975330U 防盗真空断路器的手动合闸装置 Manual closing device security vacuum circuit breaker |
| 09/14/2011 | CN201975329U 真空断路器操动机构的支架 Holder of a vacuum circuit breaker operating mechanism |
| 09/14/2011 | CN201975328U 真空断路器手动储能合闸压簧的防转装置 Vacuum breaker closing spring manual storage anti-rotation device |
| 09/14/2011 | CN201975327U 真空馈电开关的手动分闸自动复位装置 Manual vacuum feed switch opening automatic reset device |
| 09/14/2011 | CN201975326U 用于真空断路器的复合棘轮 Vacuum circuit breaker for composite ratchet |
| 09/14/2011 | CN201975325U 真空断路器的手动合闸储能复位装置 Manual reset switch on the energy storage device vacuum circuit breaker |
| 09/14/2011 | CN201975324U 一种高压真空断路器机械联锁 A high voltage vacuum circuit breaker mechanical interlock |