Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
07/2012
07/04/2012CN102539281A Closed meter filled with gases or liquids
07/04/2012CN101834088B Vacuum arc-extinguishing device for ultrahigh-voltage isolation
07/04/2012CN101601111B Phase control switchgear
07/04/2012CN101459013B Longitudinal magnetic field electrode vacuum switch tube with low loop resistance
07/04/2012CN101447368B Buffering gas insullation circuit breaker
07/04/2012CN101405825B Electric power supply system and correlative method
07/04/2012CN101170033B Operation by cylindrical cam of the contacts of a dual-movement interrupter chamber
06/2012
06/28/2012WO2012086293A1 Power switch device
06/28/2012WO2012086216A1 Switching device
06/28/2012WO2012085145A1 Piston-and-cylinder device for medium- and high-voltage electrical appliances
06/28/2012WO2012084693A1 Method, circuit breaker and switching unit for switching off high-voltage dc currents
06/28/2012WO2012084246A2 Interrupter insert for a circuit breaker arrangement
06/28/2012WO2012084192A1 Vacuum interrupter arrangement for a circuit breaker
06/28/2012WO2012083997A1 High voltage vacuum interrupter
06/28/2012US20120160810 Dead tank vacuum circuit breaker
06/28/2012DE102010063893A1 Operating device for actuating electrical switch i.e. load circuit breaker, has auxiliary switch whose opening is disconnected from contacts, where output shaft and drive shaft of auxiliary switch and another auxiliary switch are actuated
06/27/2012EP2469562A1 Interrupter insert for a circuit breaker arrangement
06/27/2012EP2469561A1 Vacuum interrupter arrangement for a circuit breaker
06/27/2012EP2469560A1 Circuit breaker drive
06/27/2012EP2469552A2 Method, circuit breaker and switching unit for switching off high-voltage DC currents
06/27/2012EP2467865A1 Disconnector for switchgear
06/27/2012EP2467864A1 Retaining element for switchgear
06/27/2012EP2467863A1 Switchgear
06/27/2012CN202285215U 一种脱扣装置 One kind of trip device
06/27/2012CN202285203U 断路器操作机构 Breaker operating mechanism
06/27/2012CN102522269A Intelligent circuit breaker
06/27/2012CN102522261A Soft-switching controller for vacuum circuit breaker
06/27/2012CN102522260A Compression-type closing spring used for spring operation mechanism
06/27/2012CN102522259A Disc-type overlapping gyromagnetic longitudinal blowing vacuum arc extinguish chamber
06/27/2012CN102522258A Disc-type gyromagnetic transverse blowing vacuum arc extinguish chamber
06/27/2012CN102522257A Disk-type gyromagnet longitudinal-blowing vacuum arc extinguish chamber
06/27/2012CN102522256A Disc-type overlapping gyromagnetic vacuum arc extinguish chamber
06/27/2012CN102522255A Contact spring of vacuum circuit breaker outside air chamber and straightening device
06/27/2012CN102522254A Permanent magnet type vacuum circuit breaker
06/27/2012CN102522253A Improved vacuum circuit-breaker pole
06/27/2012CN102522252A Fracture structure of non-SF6 gas-insulated metal-enclosed isolating switch
06/27/2012CN102522251A Gyromagnetic-type arc extinguish chamber structure of SF6 circuit breaker
06/27/2012CN102522233A Double cam spring device
06/27/2012CN101908436B Arc extinguish chamber structure for lifting arc voltage
06/27/2012CN101859653B Monostable permanent magnetic mechanism
06/27/2012CN101789321B Device for interlocking electronic high-voltage circuit breaker and high-voltage isolating switch
06/27/2012CN101651059B Electric vacuum isolated phase change switch
06/27/2012CN101599388B Insulating pull rod for breaker
06/26/2012US8206861 Intermediate circuit with a first switch for switching a fuel cell stack and second switch for short-circuting the fuel stack, fuel cell system with an intermediate circuit, and method for controlling the intermediate circuit
06/21/2012WO2012081818A1 Gas insulated switching device
06/21/2012WO2012081129A1 Inrush current suppression device
06/21/2012WO2012081108A1 Electric current switching device
06/21/2012WO2012079667A1 Storage module for a hydraulic stored-energy spring mechanism
06/21/2012US20120152904 Encapsulated switchgear
06/21/2012DE112009005004T5 Niederfrequenz-stromunterbrecher Low Frequency Circuit Breakers
06/21/2012DE102010063131A1 Antriebseinheit zum Betreiben eines Schalters einer Mittel- oder Hochspannungsschaltanlage Drive unit for operating a switch of a medium or high voltage switchgear
06/21/2012DE102010063130A1 Schaltschrank zum Betreiben einer Mittel- oder Hochspannungsschaltanlage Control cabinet for operating a medium or high voltage switchgear
06/21/2012DE102010063111A1 Umgehäuse eines Leistungsschalters, insbesondere eines Leistungsschalters für Nennströme oberhalb von 250A Surrounding housing of a circuit breaker, especially a circuit breaker for nominal currents above 250A
06/21/2012CA2815464A1 Inrush current suppressing device
06/20/2012EP2466604A1 Drive unit for operating a switch of a medium or high voltage switching system
06/20/2012EP2465127A1 Cutoff chamber for medium- or high-voltage circuit breaker with reduced controlling power
06/20/2012EP2465126A1 Method for functionally checking a vacuum switch of a traction inverter
06/20/2012CN202282564U 真空泡的更换辅助工具 Vacuum bulb replacement aids
06/20/2012CN202282293U 户内交流高压真空接触器 Indoor AC high voltage vacuum contactors
06/20/2012CN202282292U 一种户内侧装固封极柱式真空断路器 One kind of household solid letters column mounted inside of the vacuum breaker
06/20/2012CN202282291U 一种断路器气管汇流体 A circuit breaker tracheal fluid sinks
06/20/2012CN202282276U Mr真空开关注油装置 Mr vacuum switch oiling device
06/20/2012CN202282261U 立挂式弹簧操动机构 Li hanging spring mechanism
06/20/2012CN102509669A Online monitoring and alarm device for abnormal open circuit of vacuum circuit breaker
06/20/2012CN101517683B Breaker open/closure controller
06/19/2012US8203156 Light-emitting diode structure
06/14/2012WO2012077963A1 Switch for a gas insulated switchgear
06/14/2012WO2012077436A1 Gas-blast circuit breaker
06/14/2012WO2012076613A1 Thermal separating device
06/14/2012WO2012075926A1 Highly insulative small vacuum arc-quenching chamber
06/14/2012US20120145675 Single direct current arc chamber, and bi-directional direct current electrical switching apparatus employing the same
06/14/2012US20120145674 Device for detecting vacuum loss in a vacuum breaking apparatus and vacuum breaking apparatus comprising one such device
06/14/2012DE102011017307B3 Hochspannungsschaltanlage High-voltage switchgear
06/13/2012EP2463883A1 Device for detecting a loss of vacuum in a vacuum cutting device and vacuum cutting device comprising such a device
06/13/2012EP2462606A1 Gas-insulated high-voltage switching system
06/13/2012EP2462602A1 Spring-operated mechanism having delay circuit
06/13/2012CN202276065U 户内高压交流真空负荷开关-熔断器组合电器 Indoor high-voltage AC vacuum load switch - fuse combinations
06/13/2012CN202275777U 真空隔离分闸装置 Vacuum isolation opening device
06/13/2012CN202275776U 一种交流高压真空断路器的导电触臂 An AC high voltage vacuum circuit breaker conductive contact arm
06/13/2012CN202275775U 一种12kV户内正装固封绝缘极柱的真空断路器结构 An in indoor 12kV insulation being installed solid seal pole vacuum breaker structure
06/13/2012CN202275774U 一种导电触臂的结构 A conductive contact arm structure
06/13/2012CN202275773U 一种真空断路器 A vacuum breaker
06/13/2012CN202275772U 一种断路器与六氟化硫气箱的连接装置 A circuit breaker with sulfur hexafluoride gas tank connecting means
06/13/2012CN102496519A Vacuum circuit breaker mechanism
06/13/2012CN102496518A Disk-type gyromagnetic vacuum arc extinguish chamber
06/13/2012CN102496517A Novel load switch arcing contact and fixed contact thereof
06/13/2012CN101997273B Insulating cover for solid insulating fully sealed switch
06/13/2012CN101728781B Solid isolated vacuum ring main unit
06/12/2012US8199445 Gas insulated circuit breaker system and gas insulated circuit breaker monitoring method
06/12/2012US8198563 Socket structure with duplex electrical connection
06/12/2012US8198562 Vacuum circuit breaker
06/07/2012WO2012072810A1 Method and device for monitoring switching devices
06/07/2012WO2012072410A1 Electrical contact arrangement
06/07/2012WO2012072395A1 Pressure-resistant fluid encapsulation
06/07/2012WO2012072261A1 Method of manufacturing a push rod of a vacuum interrupter
06/07/2012US20120138575 Electric circuit breaker and switchgear panel with circuit breaker
06/07/2012US20120138574 Tank type vacuum circuit breaker
06/07/2012US20120138573 Plug-in primary power connections of two modules of a gas-insulated high-voltage switchgear assembly
06/07/2012CA2819282A1 Pressure-resistant fluid encapsulation
06/06/2012EP2461339A1 Circuit breaker pole
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