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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06/09/2009 | CA2248924C Arc fault detector with multiple channel sensing and circuit breaker incorporating |
06/03/2009 | EP2065914A1 Tripping interface, module for protection against voltage surges connected to such an interface and device for protection against voltage surges comprising such a module |
06/03/2009 | EP2064724A1 Auxiliary release for a circuit breaker |
06/03/2009 | CN101447375A Combined low-voltage direct current limit switch electric appliance |
06/02/2009 | US7541899 Multi-pole circuit breaker and apparatus for preventing deformation of driving shaft thereof |
05/30/2009 | CA2645469A1 Gfci with miswire protection having unitary receptacle and load conductors after proper installation |
05/27/2009 | CN201247746Y Multifunctional instant consumption mechanical switch |
05/27/2009 | CN101443976A Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults |
05/27/2009 | CN101442201A Tripping interface, module for protection against voltage surges and device for protection against voltage surges |
05/27/2009 | CN101441959A Electrical leakage tripping device with alarm |
05/27/2009 | CN100492796C Creepage circuit breaker |
05/27/2009 | CN100492579C Grounding fault breaker |
05/27/2009 | CN100492573C High energy vacuum CROWBAR switch based on high permitivity planar flashover |
05/26/2009 | US7538994 GFCI that cannot be reset unit wired correctly on line side and power is applied |
05/26/2009 | US7538644 Multi-pole circuit breaker |
05/20/2009 | EP2061062A1 Electrical switchgear |
05/20/2009 | CN201243140Y Novel leakage protection socket |
05/20/2009 | CN101436496A Multifunctional electric leakage circuit breaker |
05/20/2009 | CN101436492A Secondary trip system for circuit breaker |
05/20/2009 | CN100490045C Leading auxiliary switch for protection switch |
05/19/2009 | US7535280 Apparatus and method for shifting a signal from a first reference level to a second reference level |
05/19/2009 | CA2291461C Residential load center with arcing fault protection |
05/13/2009 | EP1769518B1 Circuit breaker with a narrow structure |
05/12/2009 | CA2290212C Intelligent ground fault circuit interrupter employing miswiring detection and user testing |
05/06/2009 | CN101427339A Switching device |
05/06/2009 | CN101427338A Circuit breaker having fault-current cutoff |
05/05/2009 | US7528690 Electrical switching device |
05/05/2009 | US7528507 Current sensing load demand apparatus and methods |
04/30/2009 | US20090108967 Circuit interrupter and method of processor phase synchronization |
04/29/2009 | CN201230073Y Plug having electricity leakage protection function |
04/29/2009 | CN101419882A Multiple axis transmission system |
04/29/2009 | CN100483882C Integrated breaker for electric leakage and manufacturing method thereof |
04/28/2009 | US7525402 Circuit interruption device with indicator having function of auto-monitoring and multi-protecting circuit |
04/28/2009 | CA2428361C Gfci that cannot be reset until wired correctly on line side and power is applied |
04/24/2009 | CA2641836A1 Circuit interrupter and method of processor phase synchronization |
04/23/2009 | DE102007048412A1 Schutzschalteinrichtung und Schutzschaltgerät Protection switching device and protective switching device |
04/23/2009 | DE102007046356A1 Schaltmechanik einer Fehlerstromschutzeinrichtung, Fehlerstromschutzeinrichtung sowie System mit einer Fehlerstromschutzeinrichtung und einem Leitungsschutzschalter A switching mechanism RCD, RCD and system with a residual current device and circuit breaker |
04/22/2009 | CN101414530A Electric appliance rapid disjunction motion mechanism based on main circuit current excitation |
04/15/2009 | EP2048685A2 Protective switch assembly and protective switch device |
04/15/2009 | CN201222471Y Single-phase overcurrent, overpressure, electrical leakage global function protective circuit breaker |
04/15/2009 | CN201222464Y Novel circuit breaker |
04/15/2009 | CN101409185A Circuit interrupting device |
04/15/2009 | CN101409181A Protective switch assembly and protective switch device |
04/09/2009 | WO2009043075A2 Ground fault circuit interrupter |
04/09/2009 | WO2008104850A3 Configurable arc fault or ground fault circuit interrupter and method |
04/09/2009 | US20090091192 Socket Assembly With Standby Sockets |
04/08/2009 | CN201219092Y Ground fault interrupter |
04/08/2009 | CN201219090Y Creepage tripping mechanism of creepage breaker |
04/08/2009 | CN201219089Y Ground fault interrupter tripping and resetting mechanism with locking structure |
04/02/2009 | US20090086396 Current fault detector and circuit interrupter and packaging thereof |
04/01/2009 | CN201215792Y Circuit breaker for electricity leakage |
04/01/2009 | CN101399418A Novel leakage protection socket |
03/27/2009 | CA2639864A1 Circuit interrupter |
03/26/2009 | WO2009007542A3 Electrical cut-off device having a complementary electrical function |
03/25/2009 | EP1108260A4 Dual-rated current transformer circuit |
03/25/2009 | CN201213179Y Novel leakage protection socket |
03/25/2009 | CN201213119Y Auxiliary circuit for electromagnetic time delay type circuit breaker |
03/25/2009 | CN201213118Y Auxiliary circuit for electromagnetic AC pulse DC circuit breaker |
03/25/2009 | CN100472908C Double-magnetic control type creepage protective device |
03/25/2009 | CN100472693C Multifunctional coupled switch-fuse combined electrical equipment |
03/19/2009 | WO2009035191A1 Instant current limiter using a magnet switching for dc circuit breaker |
03/19/2009 | DE102007044844A1 Switch i.e. low-voltage circuit-breaker, for interrupting current to protect downstream loads during short-circuit, has cover connected with armature and present between opening and coil, where cover closes can in its holding position |
03/18/2009 | EP2037477A1 Electric device with differential protection |
03/18/2009 | CN201210473Y Circuit breaker having secondary protection function |
03/18/2009 | CN201210472Y Leakage protection circuit breaker |
03/18/2009 | CN201210469Y Assistant tripping mechanism for circuit breaker |
03/18/2009 | CN201210467Y Control and protection switch electric appliance |
03/18/2009 | CN101388538A Stepped locking explosion-proof switch |
03/18/2009 | CN101388508A Oscillating arm type tripolar on-off apparatus for leakage protecting plug |
03/18/2009 | CN101388309A Electric device with differential protection |
03/18/2009 | CN101388308A Breaker of plastic casing |
03/18/2009 | CN100470706C Differential switch provided with a test circuit |
03/17/2009 | US7504914 Electrical switchgear |
03/17/2009 | CA2382914C Molded case circuit breaker with current flow indicating handle mechanism |
03/11/2009 | CN201207564Y Protection device for transformer earthing |
03/11/2009 | CN201207359Y 漏电保护器 Leakage protection |
03/11/2009 | CN100468279C External clock to obtain multiple synchronized computers |
03/10/2009 | US7502212 IDCI with reset lockout and independent trip |
03/05/2009 | WO2008146135A4 Residual current circuit breaker controlling and auxiliary apparatus, and residual current circuit breaker equipped thereby |
03/05/2009 | US20090058574 Electronic circuit breaker and method |
03/05/2009 | US20090058573 Power switching apparatus and method of controlling the same |
03/04/2009 | EP2031627A2 Construction unit made of a ground fault circuit breaker and an overvoltage protection device |
03/04/2009 | CN201204170Y Novel intelligent release for plastic case circuit breaker |
03/04/2009 | CN201204169Y Zero line grounding definition circuit for residual current motion protection relay |
03/04/2009 | CN100466142C Special equipment for no ground electrode lightening proof |
03/04/2009 | CN100466141C Leakage circuit breaker |
03/04/2009 | CN100466136C Heat overload tripping device used on a circuit breaker |
03/03/2009 | US7498910 Ground fault circuit interrupter device |
03/03/2009 | US7498909 Ground-fault circuit interrupter with reverse wiring protection |
02/26/2009 | US20090052098 Circuit interrupting device with reverse wiring protection |
02/25/2009 | EP2028677A2 Method and electrical switching apparatus including a number of accessories employing wireless communication |
02/25/2009 | EP1495477B1 Circuit breaker having fault-current cutoff |
02/25/2009 | CN101373690A Shunt release capable of being controlled by exterior power-off protection signal |
02/25/2009 | CN100464389C Socket type earth-fault breaker |
02/18/2009 | CN100463326C Concave, convex shaped or biconcave groove electrode overvoltage protection device under vacuum environment |
02/18/2009 | CN100463320C Master control automatic electric appliance turn-off device |
02/17/2009 | US7492558 Reset lockout for sliding latch GFCI |
02/17/2009 | US7492557 Switching device and electric apparatus |
02/11/2009 | CN201194289Y Novel leakage protection socket |
02/11/2009 | CN201194288Y Novel leakage protection socket |