| 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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| 10/21/2009 | CN100553060C Socket type earthing fault circuit breaker with function of coil broken circuit fault indication |
| 10/15/2009 | US20090257158 Circuit breaker zone selective interlock for differentiated faults and method of operation |
| 10/15/2009 | US20090257157 Circuit breaker having separate restrained and unrestrained zone selective interlock setting capability |
| 10/15/2009 | US20090256661 Disconnect mechanism in a power receptacle with ground-fault circuit interruption functions |
| 10/15/2009 | CA2662244A1 Current gain control of circuit breaker trip unit |
| 10/14/2009 | CN100549713C Insulation monitoring system |
| 10/13/2009 | US7602083 Apparatus and method for powering load center circuits with an auxiliary power source |
| 10/08/2009 | US20090253371 Modular device for turning on the power supply of an electronic item of equipment in a secure manner |
| 10/07/2009 | EP2107662A2 Residual current circuit breaker device |
| 10/07/2009 | CN201323171Y Socket type ground fault breaker |
| 10/07/2009 | CN201323167Y Earth leakage circuit breaker |
| 10/07/2009 | CN101552412A Novel electric leakage protecting socket |
| 10/07/2009 | CN100547712C Creepage circuit breaker |
| 10/06/2009 | US7598830 Electromagnetic coil apparatus employing a magnetic flux enhancer, and accessory and electrical switching apparatus employing the same |
| 10/06/2009 | US7598828 Protection device with a sandwiched cantilever breaker mechanism |
| 10/01/2009 | US20090243768 Varistor |
| 10/01/2009 | CA2660132A1 Full-protection circuit breaker |
| 09/30/2009 | CN201319358Y Low voltage circuit breaker |
| 09/30/2009 | CN100546145C Voltage surge protection device |
| 09/29/2009 | US7595970 Electronic trip indicator |
| 09/24/2009 | US20090237187 Auxiliary release for a circuit breaker |
| 09/23/2009 | CN101542669A Fault-current circuit breaker or residual-current circuit breaker |
| 09/23/2009 | CN101540250A Ground-fault circuit interrupter |
| 09/23/2009 | CN101540249A Creepage breaker |
| 09/23/2009 | CN101540244A Tripping device |
| 09/16/2009 | CN201311899Y Large capacity combined overvoltage protector |
| 09/16/2009 | CN201311898Y Electricity leakage tripping mechanism with alarm |
| 09/16/2009 | CN101536132A Protection unit |
| 09/16/2009 | CN101533742A Electric switchgear with top and bottom connection |
| 09/16/2009 | CN100541699C Dielectric test switch and earth leakage breaker |
| 09/15/2009 | US7589438 Source phase sensitive transfer method and apparatus |
| 09/11/2009 | WO2009109106A1 Leakage protective plug |
| 09/10/2009 | US20090224861 Switching device |
| 09/09/2009 | CN101527234A Shunt release capable of detecting abnormal power state |
| 09/09/2009 | CN100539343C Electronic trip unit with user-adjustable sensitivity to current spikes |
| 09/03/2009 | DE102008004870A1 Mit einem Schutzschalter mechanisch koppelbares Modul With a circuit breaker mechanically linkable module |
| 09/02/2009 | EP2096657A1 Device for protecting against voltage surges comprising selective disconnection means |
| 09/02/2009 | EP2095389A1 Fault-current circuit breaker or residual-current circuit breaker |
| 08/27/2009 | WO2009105180A1 Moisture resistant push to test button for circuit breakers |
| 08/27/2009 | WO2009103896A2 Protection device against overvoltage including a disconnection accessory |
| 08/27/2009 | US20090212643 Systems and Methods of Dynamic Reactive Support for a Power Transmission System |
| 08/27/2009 | CA2656319A1 System and method for mitigating an electrical arc fault |
| 08/26/2009 | EP2092354A1 Method and apparatus for detection of resistive fault conditions |
| 08/26/2009 | CN201298521Y 剩余电流动作断路器 Residual current operated circuit breaker |
| 08/26/2009 | CN201298520Y Residual current operated circuit breaker with inverse incoming-line protecting function |
| 08/26/2009 | CN201298515Y Overload protection electronic miniature current leakage breaker |
| 08/26/2009 | CN201298513Y A rotary mechanical operating mechanism electric appliance with a rapid breaking action mechanism |
| 08/26/2009 | CN201298512Y A rotary electric appliance with a rapid breaking action mechanism |
| 08/25/2009 | US7579933 Electrical installation switching device |
| 08/25/2009 | US7579707 Discharge prevention circuit and electronic equipment provided with the discharge prevention circuit |
| 08/20/2009 | WO2009100470A1 Fault current circuit breaker |
| 08/20/2009 | CA2714967A1 A residual-current circuit breaker |
| 08/19/2009 | EP1208388B1 Connection tester for an electronic trip unit |
| 08/19/2009 | CN201294335Y Wireless explosion-proof electric tow control box |
| 08/19/2009 | CN201294201Y Novel circuit breaker |
| 08/19/2009 | CN101512704A Assistant release for circuit breaker |
| 08/19/2009 | CN100530879C Differential protection device with simplified protection parameter adjustment means |
| 08/19/2009 | CN100530874C Dual core intelligent communication control for plastic shell low voltage breaker |
| 08/13/2009 | US20090200875 Apparatus for supporting design of semiconductor integrated circuit device and method for designing semiconductor integrated circuit device |
| 08/12/2009 | CN201290001Y Emergency current failure loop with undervoltage thread-losing safety design |
| 08/12/2009 | CN201289832Y Electronic type release device of plastic circuit breaker |
| 08/12/2009 | CN201289831Y Socket type earthing fault circuit breaker |
| 08/12/2009 | CN100526888C Differential current measuring apparatus, tripping device and switchgear |
| 08/06/2009 | WO2009095304A1 Fault current circuit breaker and method for carrying out a self-test of a fault current circuit breaker |
| 08/06/2009 | US20090195337 Manually selectable instantaneous current settings for a trip unit and electrical switching apparatus including the same |
| 08/05/2009 | EP2085998A1 Electric switchgear with top and bottom connection |
| 08/05/2009 | CN201286007Y Residual current protecting relay |
| 08/05/2009 | CN101499591A Electric lever type leakage preventing socket |
| 08/04/2009 | US7570146 Circuit breaker including ambient compensation bimetal holding and releasing arc fault indicator |
| 08/04/2009 | US7570140 Magnetic trip mechanism including a plunger member engaging a support structure, and circuit breaker including the same |
| 07/30/2009 | WO2009043075A3 Ground fault circuit interrupter |
| 07/30/2009 | US20090190275 System and method for ground fault detection and interruption |
| 07/30/2009 | DE102007063636A1 Fehlerstromschutzschalter, Differenzstromschutzschalter sowie Kombigerät aus Leitungsschutzschalter und Fehlerstromschutzschalter bzw. Differenzstromschutzschalter Leakage circuit breaker, residual current circuit breaker and Unit combining circuit breaker and residual current circuit breakers and residual current circuit breaker |
| 07/29/2009 | CN100521432C Grounding leakage circuit breaker |
| 07/29/2009 | CN100521033C Leakage circuit breaker |
| 07/23/2009 | WO2009089995A1 Residual current device |
| 07/23/2009 | WO2009089994A1 Arc protection module |
| 07/23/2009 | DE102008006360B3 Fehlerstromschutzschalter sowie Verfahren zum Durchführen eines Selbsttestes eines Fehlerstromschutzschalters Residual current circuit breakers and method for performing a self-test of a residual current circuit breaker |
| 07/22/2009 | CN201278339Y Load limiting intelligent circuit breaker |
| 07/21/2009 | US7564329 Ground fault circuit interrupter device |
| 07/15/2009 | CN101484961A Ground fault circuit interrupter with reverse wiring and end-of-life protection |
| 07/14/2009 | CA2335895C Circuit protection device with half cycle self test |
| 07/09/2009 | US20090174508 Circuit Breaker with Electronic Sensing and De-Latch Activation |
| 07/08/2009 | CN101477927A Electricity exception protection circuit applied to circuit breaker |
| 07/08/2009 | CN100511906C Electronic trip unit, protection method used therein and selection system comprising the electronic trip unit |
| 07/08/2009 | CN100511905C Method and apparatus for ground fault protection |
| 07/08/2009 | CN100511551C Protective switch device comprising a differential current triggering device |
| 07/07/2009 | US7557681 Electrical switching apparatus accessory sub-assembly employing reversible coil frame, and accessory and electrical switching apparatus employing the same |
| 07/02/2009 | WO2009082358A1 Electric automatic switc |
| 06/24/2009 | EP2073336A1 Electrical device for managing several electric consumer branch pipes |
| 06/24/2009 | EP2073240A1 Modular electric protection device comprising an additional electric function such as the differential protection function |
| 06/24/2009 | CN201262930Y Switch |
| 06/24/2009 | CN100505462C Leakage circuit breaker |
| 06/23/2009 | US7551047 Tamper resistant ground fault circuit interrupter receptacle having dual function shutters |
| 06/18/2009 | DE102007058989A1 Fehlerstromschutzschalter und Verfahren zum Durchführen eines Selbsttestes eines Fehlerstromschutzschalters Residual current circuit breakers and method for performing a self-test of a residual current circuit breaker |
| 06/17/2009 | CN100501898C Circuit breaking apparatus |
| 06/11/2009 | WO2009071552A1 Automatic switch for low voltage application |
| 06/10/2009 | EP2068338A2 Fault current circuit breaker and method of implementing a self-test for a fault current circuit breaker |
| 06/10/2009 | CN100499304C Power supply apparatus |
| 06/09/2009 | US7545244 Circuit breaker with independent trip and reset lockout |