| 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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| 02/11/2009 | CN201194210Y Intelligent surge protecting relay |
| 02/05/2009 | DE102007034532A1 Magnetkern, Verfahren zu seiner Herstellung sowie Fehlerstromschutzschalter Magnetic core, to processes for its preparation, and leakage circuit breaker |
| 02/04/2009 | EP2020014A1 Switching device |
| 02/04/2009 | CN201191688Y Leakage protecting plug |
| 02/04/2009 | CN201191590Y Circuit breaker having remote control function |
| 02/04/2009 | CN201191589Y Integrated circuit breaker |
| 02/03/2009 | CA2248491C Arc fault detector with limiting of sensed signal to shape response characteristic and circuit breaker incorporating same |
| 01/30/2009 | CA2635060A1 System and method for analyzing end to end testing |
| 01/28/2009 | EP2019407A1 Residual current device for an electric circuit breaker |
| 01/28/2009 | CN201188535Y Super lightning protection mobile socket |
| 01/28/2009 | CN101355249A Strong thunder buffer |
| 01/28/2009 | CN101354988A Residual current device for an electric circuit breaker |
| 01/27/2009 | CA2313631C Ground fault circuit interrupter for circuits operating with non-sinusoidal waveforms |
| 01/22/2009 | WO2008131881A3 Transmission shaft for an installation switchgear |
| 01/21/2009 | EP2016656A1 Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults |
| 01/21/2009 | CN201185279Y Earth leakage protection plug |
| 01/21/2009 | CN201185273Y Power-supply plug with cable earth leakage protection function |
| 01/20/2009 | US7479858 Reverse current relay |
| 01/15/2009 | WO2009007542A2 Electrical cut-off device having a complementary electrical function |
| 01/15/2009 | US20090015356 Current Inductive Timer Socket |
| 01/14/2009 | CN201181780Y Creepage protecting socket |
| 01/14/2009 | CN201181682Y Multifunctional small circuit breaker |
| 01/14/2009 | CN201181681Y Trip mechanism and creepage protecting socket with the same |
| 01/14/2009 | CN101345375A Novel creepage protecting socket |
| 01/14/2009 | CN101345171A Ground fault open circuit temperature controller of self-magnet compensation permanent magnet switch |
| 01/14/2009 | CN101345166A Trip device module and circuit breaker implementing the same |
| 01/14/2009 | CN101345165A Air circuit breaker with mechanical trip indicating mechanism |
| 01/14/2009 | CN100452597C Earthing failure creepage protector |
| 01/07/2009 | CN101340078A Improvements in or relating to current differential protection relays |
| 01/07/2009 | CN100449671C Fast acting high force trip actuator |
| 01/06/2009 | US7474179 Electrical switching apparatus, and movable contact assembly and contact spring assembly therefor |
| 01/06/2009 | CA2636977A1 Improvements in or relating to current differental protection relays |
| 12/31/2008 | CN201174578Y Energy storage circuit break self-cutting leakage protection switch |
| 12/31/2008 | CN201174571Y Micro circuit breaker having micro-computer protection and liquid crystal display |
| 12/31/2008 | CN201174364Y Socket type earthing fault circuit breaker |
| 12/31/2008 | CN101335165A Residual current circuit breaker |
| 12/31/2008 | CN100447927C Knob return device for circuit breakers |
| 12/30/2008 | US7471015 Electronic apparatus controlling an electric power supply to a main microprocessor and peripheral devices through an auxiliary microprocessor |
| 12/30/2008 | CA2300344C Apparatus for detecting arcing faults and ground faults in multiwire branch electric power circuits |
| 12/30/2008 | CA2220053C Method and apparatus for detecting arcing in ac power systems by monitoring high frequency noise |
| 12/25/2008 | US20080316658 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 12/24/2008 | WO2008156448A1 Mems micro-switch array based on current limiting enabled circuit interrupting apparatus |
| 12/24/2008 | CN201171031Y Minitype fireproofing circuit breaker |
| 12/24/2008 | CN101329970A Insulation monitoring system |
| 12/24/2008 | CN101329969A Disjoncteur for cable having leakage alarm function |
| 12/24/2008 | CN100446153C Leakage circuit breaker |
| 12/24/2008 | CN100446150C Circuit interrupting device |
| 12/24/2008 | CN100446149C Leakage breaker |
| 12/23/2008 | CA2267009C Plug-in multifunction tester for ac electrical distribution system |
| 12/23/2008 | CA2248493C Arc fault detector with immunity to tungsten bulb burnout and circuit breaker incorporating same |
| 12/18/2008 | WO2008153578A1 Mems micro-switch array based on current limiting arc-flash eliminator |
| 12/17/2008 | CN201167079Y Apparatus for indicating fault of an electric appliance |
| 12/17/2008 | CN201167078Y Intelligent protection switch for communication office stations |
| 12/17/2008 | CN201167077Y Residual current motion protection relay with wireless remote automatic alarm circuit |
| 12/17/2008 | CN201167076Y Residual current motion protection relay with zero-sequence current transformer |
| 12/17/2008 | CN201167075Y Current-limiting type safety unit |
| 12/17/2008 | CN101325137A Series arc fault current interrupters and methods |
| 12/17/2008 | CN100444490C Operation blocker and blocking method for user |
| 12/16/2008 | US7466040 Touch sensor controlled switch with intelligent user interface |
| 12/11/2008 | US20080304190 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 12/11/2008 | US20080303353 Network-based aircraft secondary electric power distribution system |
| 12/10/2008 | CN201163686Y Electric power plug having earth leakage protective function |
| 12/09/2008 | US7463124 Circuit interrupting device with reverse wiring protection |
| 12/04/2008 | WO2008146135A1 Residual current circuit breaker controlling and auxiliary apparatus, and residual current circuit breaker equipped thereby |
| 12/04/2008 | WO2008145511A1 An electric motor |
| 12/04/2008 | WO2008145207A1 A residual current device |
| 12/04/2008 | WO2008112901A3 Circuit breakers with ground fault and overcurrent trip |
| 12/04/2008 | DE102007025673A1 Power protection unit for use with electronic circuit of phase failure guard for distribution network, has phasing line and neutral line, where phasing line has circuit breakers assigned for disconnection of phasing line |
| 12/03/2008 | CN201160218Y Plastic-shell-type dynamoelectric integrated three phase AC electric motor protector with energy accumulation clasher |
| 12/03/2008 | CN201160054Y Overcurrent protection starting switch of double-phase, three-phase current |
| 12/03/2008 | CN101317243A Circuit breaker including open neutral interlock |
| 12/03/2008 | CN101316037A Aftercurrent action protector with self-diagnostic function |
| 12/02/2008 | CA2403047C Gapped ground safety device |
| 11/27/2008 | US20080290731 Energy Efficient Power Supply |
| 11/26/2008 | CN201156509Y Circuit breaker for transformer |
| 11/26/2008 | CN201156508Y Micro current leakage breaker |
| 11/26/2008 | CN201156505Y Intelligent digital leakage protector |
| 11/20/2008 | WO2008139176A1 Method and apparatus for executing secondary functions on an electrical switchgear device |
| 11/19/2008 | CN100435446C Overvoltage protection device with initiation electrode under vacuum environment |
| 11/13/2008 | US20080278871 Method of detecting a ground fault and electrical switching apparatus employing the same |
| 11/12/2008 | CN201149841Y Creepage breaker |
| 11/12/2008 | CN100433481C Earth fault breaker |
| 11/12/2008 | CN100433224C Grounded failure circuit breaker with reverse wiring protection function |
| 11/06/2008 | WO2008131881A2 Transmission shaft for an installation switchgear |
| 11/06/2008 | US20080272866 Overcurrent Relay |
| 11/06/2008 | CA2630760A1 Method of detecting a ground fault and electrical switching apparatus employing the same |
| 11/05/2008 | CN201146164Y Electric power exception protective circuit for breaker |
| 11/05/2008 | CN201146163Y Minitype air switch based on current rapidly-switching function |
| 11/05/2008 | CN201146162Y Earth leakage protective breaker for non-motion dead region |
| 11/05/2008 | CN101299403A Plastic case breaker electronic type release apparatus |
| 11/04/2008 | US7446437 Apparatus and method for preventing an electrical backfeed |
| 10/30/2008 | WO2007056668A3 Circuit interrupting device with reverse wiring protection |
| 10/29/2008 | EP1986211A2 Work table for hand tools and machine switches |
| 10/29/2008 | CN201142310Y Electromagnetic leakage circuit breaker |
| 10/29/2008 | CN201142309Y Multifunctional electric leakage circuit breaker |
| 10/29/2008 | CN101295610A Circuit breaker and SPD protection system employing the circuit breaker |
| 10/29/2008 | CN101295609A Circuit protection device for automatically monitoring operation disturbance |
| 10/29/2008 | CN100429734C Low-voltage circuit breaker with electronic overload trip and magnets |
| 10/23/2008 | WO2008124962A1 Trip for normal-open type ground fault circuit interrupter |
| 10/23/2008 | WO2008124961A1 Ground fault circuit interrupter with life checking and indicating circuit |