| Patents for H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current (5,042) |
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| 03/27/2013 | CN101694823B B type intelligent circuit breaker with automatic switching-in function |
| 03/27/2013 | CN101689447B Transmission shaft for an installation switchgear |
| 03/27/2013 | CN101409181B Protective switch assembly and protective switch device |
| 03/26/2013 | US8405253 Mechanically energized eService connector system |
| 03/21/2013 | US20130070378 Recloser device and method of operation |
| 03/20/2013 | CN202816841U Residual current operated circuit-breaker with film cable structure |
| 03/20/2013 | CN202816840U Low voltage intelligent double power source change-over switch |
| 03/20/2013 | CN202816815U Intelligent fireproof type multifunctional breaker |
| 03/20/2013 | CN102985992A Leakage breaker |
| 03/20/2013 | CN101924344B Multifunction control and protection switch device |
| 03/14/2013 | WO2013033759A1 Control system and method |
| 03/13/2013 | EP2568557A1 Method of operating a residual current circuit breaker and residual current circuit breaker for a frequency converter |
| 03/13/2013 | EP2568494A2 Leakage current detector and circuit interrupter |
| 03/13/2013 | CN202796813U Leakage protection switch |
| 03/13/2013 | CN102969208A Improved magnetic core coupling in a current transformer with integrated magnetic actuator |
| 03/07/2013 | DE102011082172A1 Leistungsschalter sowie Verfahren zum Überprüfen eines Rogowskiwandlers in einem Leistungsschalter Circuit breaker as well as a method for checking in a circuit breaker Rogowskiwandlers |
| 03/06/2013 | CN202772090U Electric leakage protection moulded case circuit breaker |
| 03/06/2013 | CN202772089U Intelligent controller device of residual current breaker |
| 03/06/2013 | CN202772088U Lightning protection device capable of automatic release under overcurrent and overheat |
| 03/06/2013 | CN202772087U Leakage action mechanism protection device of leakage circuit breaker |
| 03/06/2013 | CN202772068U Assembly structure of leakage circuit breaker and air circuit breaker |
| 03/05/2013 | US8390405 Circuit breaker |
| 03/05/2013 | US8390404 Power plug with cable leakage protective function |
| 02/28/2013 | US20130049904 Trip unit |
| 02/26/2013 | US8384502 Circuit breaker |
| 02/20/2013 | EP2559048A1 Residual current protection device |
| 02/20/2013 | CN202749318U Electromagnetic electric leakage protection switch |
| 02/14/2013 | WO2013020273A1 Leakage protection plug |
| 02/13/2013 | CN202736868U Leakage protector |
| 02/13/2013 | CN101567510B Novel electric leakage protection socket |
| 02/13/2013 | CN101562302B Novel earth leakage protection socket |
| 02/12/2013 | US8373523 Electromagnetic trip device |
| 02/08/2013 | DE202011110186U1 Schalteinheit zum Schalten von hohen Gleichspannungen Switching unit for switching high DC voltages |
| 02/06/2013 | EP2553691A1 Overvoltage protection device having at least one surge arrester |
| 02/06/2013 | CN102915895A Moving contact component of leakage protection switch and contact system thereof |
| 02/06/2013 | CN102915857A Wall-mounted switch |
| 02/05/2013 | US8368489 Circuit breaker having trip cause indicating mechanism |
| 02/05/2013 | CA2512692C Circuit interrupter including arc fault test and/or ground fault test failure indicator |
| 01/31/2013 | WO2013014251A2 Switching device |
| 01/31/2013 | DE102011089211A1 Low voltage power switch has lower voltage unit that provides signal to electronic trip unit using interface for triggering switching contact, when line voltage is below threshold value |
| 01/30/2013 | CN102906847A Electrical leakage detection apparatus with unexpected motion blocking function |
| 01/30/2013 | CN102904208A Leakage breaker |
| 01/30/2013 | CN102903582A Controller device of intelligent residual current circuit breaker |
| 01/30/2013 | CN101615538B Release filter method |
| 01/24/2013 | US20130021710 Switch comprising a testable current transformer, and method for testing a current transformer of a switch |
| 01/23/2013 | EP2548214A1 Residual-current circuit breaker |
| 01/23/2013 | CN202695357U Lengthening-free 18mm-wide multifunctional leakage circuit breaker |
| 01/23/2013 | CN202695350U Under-voltage tripper for breaker |
| 01/23/2013 | CN102891050A Socket type ground fault circuit interrupter |
| 01/23/2013 | CN101710554B A-type intelligent circuit breaker with automatic switching-on function |
| 01/23/2013 | CN101340078B Improvements in or relating to current differential protection relays |
| 01/17/2013 | US20130015929 Intelligent switch system and assembly having integrated protection circuitry |
| 01/16/2013 | CN202678249U Remote control system of residual current circuit breaker |
| 01/16/2013 | CN202678242U A signal output device of an undervoltage releaser |
| 01/16/2013 | CN102884678A Lightning protection device for an antenna receiver, and aircraft comprising same |
| 01/16/2013 | CN102884603A 剩余电流保护装置 Residual current protection device |
| 01/16/2013 | CN102013367B Circuit breaker |
| 01/16/2013 | CN101388309B Electric device with differential protection |
| 01/15/2013 | US8354999 Button assembly and computer mouse having the same |
| 01/09/2013 | EP2544209A2 Design for a current transformer with an integrated magnetic actuator |
| 01/09/2013 | CN102870186A Residual-current circuit breaker |
| 01/09/2013 | CN102867712A Breaker for solar cell component string and protecting method |
| 01/08/2013 | CA2514197C Gfci receptacle having plug blocking means |
| 01/08/2013 | CA2508102C Arc fault circuit breaker and apparatus for detecting wet track arc fault |
| 01/02/2013 | CN102859375A Protective switch with status detection |
| 01/02/2013 | CN102856137A Low-voltage intelligent double-power-source change-over switch |
| 01/02/2013 | CN101574804B Hairdressing hair direr with internal breaker |
| 12/27/2012 | US20120327545 Recloser device and method of operation |
| 12/19/2012 | EP2535916A2 Improved magnetic core coupling in a current transformer with integrated magnetic actuator |
| 12/19/2012 | CN202616164U Permanent magnet under-voltage release |
| 12/19/2012 | CN102136401B Miniature circuit breaker with leakage protection function |
| 12/18/2012 | US8334739 Circuit breaker with short circuit self-locking function |
| 12/18/2012 | US8334621 Electronic equipment and power supply state control method for electronic equipment |
| 12/18/2012 | CA2491087C Circuit breaker latching mechanism |
| 12/13/2012 | WO2012169975A1 Electromagnetic relay with improved yoke, in particular a relay for interruption of electric circuit in the case of diffferential current, and switch comprising such relay |
| 12/12/2012 | CN202601540U Residual current action breaker |
| 12/12/2012 | CN202601539U High-voltage discharge switch |
| 12/12/2012 | CN102820187A Residual current operated circuit breaker with film cable structure |
| 12/12/2012 | CN102818988A Testing device system of circuit breaker for earth fault currents or residual currents |
| 12/12/2012 | CN101685725B Circuit breaker and current transformer for corresponding circuit breaker |
| 12/05/2012 | CN202585299U Open phase tripping device for low-voltage circuit breaker |
| 12/05/2012 | CN102810841A Residual current protective device and circuit breaker |
| 12/05/2012 | CN101794689B Small-sized plastic-shell combined switch |
| 12/04/2012 | US8324992 Electromagnetic contactor |
| 11/29/2012 | WO2012160647A1 Electronic circuit breaker |
| 11/29/2012 | WO2012159714A1 Residual-current protection for electric tools |
| 11/28/2012 | CN202564161U Protective power switch |
| 11/28/2012 | CN101882539B Locking device of under-voltage relay and tripping device |
| 11/27/2012 | CA2411238C Circuit breaker for detecting an excessive voltage and tripping responsive thereto |
| 11/23/2012 | DE202010017867U1 Vorrichtung zur sicheren Abschaltung einer Energiequelle, insbesondere eines Solarmoduls A device for safe disconnection of an energy source, in particular a solar module |
| 11/21/2012 | CN202549759U Residual-current high-breaking-capacity circuit breaker with controller reclosure |
| 11/21/2012 | CN202549657U Maloperation-preventing knife switch |
| 11/21/2012 | CN102789932A Electronic circuit breaker for solar cell module string and protection method |
| 11/21/2012 | CN101937812B Earth fault breaker having functions of over-current protection, end-of-life automatic trip and caution |
| 11/21/2012 | CN101354988B Residual current device for an electric circuit breaker |
| 11/20/2012 | US8314516 Self-reactivating electrical appliance |
| 11/15/2012 | US20120286905 Bistable magnetic actuator for a medium voltage circuit breaker |
| 11/14/2012 | CN102782794A Electrical line protection lock mechanism with a differential function |
| 11/13/2012 | US8310322 Solenoid actuator with an integrated mechanical locking and unlocking fixture |
| 11/13/2012 | US8310111 Switching phase offset for contactor optimization |