Patents
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)
05/2005
05/11/2005CN1201362C Heat overload tripping device for circuit breaker
05/10/2005US6892145 Method and system for conditionally triggered system data capture
05/10/2005US6892115 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment
05/05/2005US20050093371 Automatic battery disconnect system
05/04/2005DE19632462B4 Schutzschalter mit Zwangstrennung Breakers with forcing
05/04/2005CN1200444C Circuit breaker with tripping rod assembling capable of adapting internal space restraint
04/2005
04/27/2005CN2696109Y No-voltage electronic protector
04/27/2005CN2696108Y Electromagnet electrical shock protective device
04/27/2005CN1610959A Circuit breakers with integrated current and/or voltage sensors
04/26/2005CA2176447C Ground fault circuit interrupter plug
04/21/2005WO2004070906A3 Gfci receptacle having blocking means
04/21/2005WO2004070901A3 Circuit interrupting device with lock out and reversible wiring
04/19/2005US6882257 Earth Leakage Breaker
04/19/2005CA2298193C Loadbreak connector assembly which prevents switching flashover
04/12/2005US6879230 Multi-pole contactor-circuit breaker type switch
04/07/2005WO2004070753A3 Circuit interrupting device with single throw, double mode button for test-reset function
03/2005
03/30/2005EP1466340A4 Control system for electrical switchgear
03/30/2005CN1195311C Reverse connection protector for grounding failure breaker
03/29/2005US6873231 GFCI receptacle having blocking means
03/29/2005US6873158 Circuit protection device with half cycle self test
03/24/2005WO2005010905A3 Differential switch provided with a test circuit
03/24/2005US20050063110 Circuit interrupting device with reverse wiring protection
03/23/2005CN2687923Y Overhead circuit parallel gap lightning protection device
03/23/2005CN2687826Y Safety unit open-circuit protection and warning device
03/22/2005CA2254252C Circuit breaker switch apparatus
03/15/2005US6867954 Reverse wiring protection device for ground fault circuit interrupter
03/15/2005CA2124506C Manually set ground fault circuit interrupter
03/09/2005EP1512207A1 Residual current circuit breaker
03/09/2005CN1591732A Heat overload tripping device for circuit breaker
03/09/2005CN1192411C 剩余电流装置 Residual Current Devices
03/09/2005CN1192405C Thermal overload relay provided with spring leaf mechanism
03/08/2005US6864766 Circuit interrupting device with reverse wiring protection
03/02/2005CN2682552Y Permanent-magnet mechanism with built-in under-voltage release
03/02/2005CN1191595C Dual-rated current transformer circuit
02/2005
02/24/2005WO2005017935A1 Test pushbutton module
02/24/2005WO2004066327A3 Gfci receptacle having plug blocking means
02/23/2005EP1508150A1 Overvoltage protection device
02/23/2005CN2681317Y Earth fault protecting device
02/23/2005CN1586028A Current fault detector and circuit interrupter and packaging thereof
02/18/2005WO2006049372A1 Knob return device for circuit breakers
02/16/2005CN1581396A Leakage breaker
02/16/2005CN1580796A DC. detection circuit and DC. earthing current detection circuit
02/15/2005CA2093061C Leakage current protection device adapted to a wide variety of domestic and international applications
02/10/2005US20050030685 Circuit interrupting device with lock out and reversible wiring
02/10/2005US20050030005 Direct current detection circuit
02/10/2005DE10330646A1 Ground-fault circuit interrupter GFCI for three-phase system, uses summation transformer so that total current flows through piezo-actuator
02/09/2005EP1505398A1 Direct current detection circuit
02/09/2005CN1577691A Leakage indication device for earth leakage breaker
02/09/2005CN1577690A 漏电断路器 Leakage circuit breakers
02/08/2005CA2298831C Electrical circuit interrupter
02/03/2005WO2005010905A2 Differential switch provided with a test circuit
02/03/2005WO2004068518A3 Circuit interrupting device with reset lockout and user load test to reset activation
02/03/2005US20050024171 Reset lockout and trip for circuit interrupting device
02/03/2005US20050024170 GFCI receptacle having plug blocking means
02/02/2005CN1574152A Earth leakage breaker
01/2005
01/27/2005WO2004070752A3 Circuit interrupting device and system utilizing electromechanical reset
01/26/2005CN1186798C 漏电断路器 Leakage circuit breakers
01/20/2005US20050013077 Circuit breakers with integrated current and/or voltage sensors
01/20/2005US20050013068 Two piece button assembly for circuit interrupting device with reset lockout
01/20/2005US20050013067 Circuit interrupting device with single throw, double mode button for test-reset function
01/20/2005US20050013066 GFCI receptacle having blocking means
01/20/2005US20050012575 Receptacle device having protection against arc faults and leakage currents
01/20/2005US20050012506 Leakage detection apparatus and motor car
01/12/2005EP1495477A1 Circuit breaker having fault-current cutoff
01/12/2005CN2671114Y Multifunctional combined three-phase and five-line overvoltage protective switch
01/11/2005US6842095 Method for locking out a reset mechanism on electrical protective device
01/06/2005US20050002138 Ground fault circuit interrupter with locking reset button
01/06/2005US20050002137 Circuit interrupting device with reset lockout and user load test to reset activation
01/05/2005CN2669353Y Leakage automatic circuit-breaker structure
01/04/2005US6839208 Arc fault circuit interrupter recognizing arc noise burst patterns
12/2004
12/30/2004US20040264078 Circuit interrupting device line load reversal sensing system
12/30/2004US20040264077 Protective device with end of life indicator
12/29/2004CN2667651Y Compound overvoltage protector
12/23/2004WO2004070751A3 Circuit interrupting device and system utilizing bridge contact mechanism and reset lockout
12/22/2004CN2665908Y Four pole creepage breaker with hard-connected creepage part
12/16/2004WO2004109736A1 Contactor and switch
12/16/2004US20040252425 Self testing digital fault interrupter
12/15/2004EP1485680A2 Switch for an electronic measuring system
12/15/2004CN2664162Y Functional trestle piece for residual current circuit breaker
12/15/2004CN1555078A Ground fault interrupter with reset lock and protector
12/15/2004CN1180450C Differential electric protecting device
12/09/2004WO2004070754A3 Two piece button assembly for circuit interrupting device with reset lockout
12/09/2004US20040246638 Article for de-energizing a branch electrical circuit, and related processes
12/09/2004DE102004024820A1 Erdschluss-Unterbrechungsschalter Ground fault interrupter switch
12/08/2004CN1179392C Protection relay and protected control set with front wiring
12/07/2004US6829124 Ground fault circuit interrupter with functionality for reset
12/07/2004US6828886 Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting device
12/01/2004CN2660756Y Wiring decision protector for earth fault breaker
12/01/2004CN1178257C Low voltage switchgear with bimetallic actuator
12/01/2004CN1178256C Circuit breaker assembling method
11/2004
11/25/2004US20040233594 Earth leakage breaker
11/24/2004EP1480244A2 A device for containing current-sensor means
11/24/2004EP1480243A1 An electrical device for protection against residual currents
11/24/2004EP1480242A2 A device for low-voltage circuit breakers
11/24/2004EP1479149A1 Circuit protection system
11/24/2004EP1479147A2 Method and apparatus for ground fault protection
11/24/2004EP1479145A2 Integrated protection, monitoring and control system
11/24/2004EP1479144A2 Method and system for external clock to obtain multiple synchronized redundant computers
11/24/2004EP1478985A1 Data sample and transmission modules for power distribution systems
11/24/2004EP1478984A1 Method and system for conditionally triggered system data capture
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