Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
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)
02/2000
02/03/2000DE19828890A1 Current transformer used for multiphase electrical installations has several primary coils passing through secondary coils
02/02/2000EP0977234A2 Trip device for a ground fault circuit breaker and circuit for controlling the same
02/02/2000EP0977233A1 Circuit breaker with high electrodynamic strength and breaking capacity
02/02/2000CN2362191Y Overload protective switch
01/2000
01/26/2000EP0974995A2 Miniaturized double pole circuit breaker with arc fault and ground fault protection
01/26/2000CN2361021Y Full automatic phase loss protector
01/25/2000US6018284 Circuit breaker with high electrodynamic strength and breaking capacity
01/25/2000CA2164087C Pivoting circuit breaker load terminal
01/24/2000CA2278831A1 Standard sized apparatus for detecting arc faults and ground faults in multiwire branch electric power circuits
01/18/2000US6016244 Shock hazard protection system
01/18/2000US6015958 Retrofit switch actuator
01/18/2000US6014803 Thermal triggering system
01/18/2000CA2142258C Electronic housing for two-pole ground fault circuit interrupter
01/12/2000EP0912985B1 Modular automatic electric breaker with optimization of used spaces
01/12/2000CN1241291A Switching device with under-voltage auxiliary release
01/05/2000CN1048115C Differential trip unit
12/1999
12/28/1999US6007377 In Line rewirable switch device
12/22/1999CN2355426Y Device for prevention of electric charge evasion
12/22/1999CN2355425Y Thermal relays with contact plates
12/21/1999CA2069505C Circuit breaker and auxiliary device therefor
12/16/1999WO1999065047A1 Battery master switch, especially for motor vehicles
12/16/1999WO1999065046A1 Electromechanical battery disconnector, especially for motor vehicles
12/16/1999DE19909123A1 Automatic power cutoff device for transport vehicle accident
12/15/1999CN2354282Y Displaying type domestic zero power-off leakage breaker
12/15/1999CN2354236Y Multi-purpose leakage protector
12/15/1999CN2354235Y Leakage breaker
12/15/1999CN1238546A Electrical breaking device comprising differential trip device and circuit breaker comprising such device
12/15/1999CN1047464C Earth leakage breaker
12/09/1999WO1999063563A1 Device for coupling two attached modular electrical elements
12/09/1999DE19822515A1 Abschirmung für Summenstrom-Wandleranordnung für Fehlerstrom-Schutzschalter Screening for total current converter arrangement for residual current circuit breaker
12/09/1999DE19812503C1 Drehbetätigter Schutzschalter mit voreilendem Hilfsschalter Rotationally operated circuit breaker with leading auxiliary switch
12/08/1999EP0963023A2 Arc fault detector comparing integrated interval to interval filtered load current and circuit breaker incorporating same
12/08/1999EP0962952A1 Dispositif de coupure électrique comprenant un dispositif de déclenchement différentiel et disjoncteur comprenant un tel dispositif
12/08/1999CN2353074Y Multi-function electronic arrangement for preventing screw-off or phase interruption and for limiting current
12/08/1999CN2353047Y AC contactor having phase interruption protection arrangement
12/08/1999CN2353046Y Three phase electromagnetic automatic protective switch
12/08/1999CN2353045Y Energy saving and phase interruption protective arrangement for ac contactor
12/07/1999US5998750 Circuit breaker operator with push to test arrangement
12/01/1999CN1047021C Leakage-responsive circuit breaker
11/1999
11/25/1999WO1999060596A1 Contact mechanism for electronic overload relays
11/25/1999WO1999060594A1 Contact mechanism for electronic overload relays
11/24/1999EP0959484A2 Shielding for differential transformer assembly for earth fault circuit breaker
11/24/1999CN2350861Y Device for controlling circuit switch using positive temp. coefficient thermistor
11/24/1999CN1236178A Thermal magnetic circuit breaker
11/23/1999US5990769 Switchable electric outlet adaptor
11/17/1999EP0957558A2 Circuit interrupter with test actuator for ground fault and arc fault test mechanisms
11/17/1999EP0956579A1 Switching device with under-voltage auxiliary release
11/17/1999CN2349715Y Short-circuit protective automatic switch
11/16/1999US5986444 Device having a shaped, magnetic toroidal member and a magnetoresistive sensor for detecting low magnitude electrical currents
11/12/1999CA2271896A1 Circuit interrupter with test actuator for ground fault and arc fault test mechanisms
11/11/1999DE19819242A1 Thermomagnetischer Leistungsschalter Thermomagnetic circuit breaker
11/10/1999EP0955661A2 Circuit breaker for control transformers and circuit arrangement therefor
11/10/1999EP0955660A1 Electric circuit breaker for apparatus having a current overload and undervoltage function and a current overload sensor therefore
11/10/1999EP0955657A1 Latch mechanism for a circuit breaker
11/10/1999EP0954894A1 Reverse battery protecting device for the on-board electric network of a vehicle
11/10/1999EP0954873A1 Load disconnecting switch, in particular for the load circuit of a motor vehicle battery
11/09/1999US5982593 Circuit interrupter with test actuator for ground fault and arc fault test mechanisms
11/03/1999EP0954003A2 Circuit breaker with common test button for ground fault and arc fault circuit
11/03/1999EP0954002A2 Thermal magnetic circuit breakers
11/03/1999CN2347268Y Leakage protecting switch
11/03/1999CN2347267Y Three-phase rotary electromechanic integrally-protected relay with load indication
11/02/1999US5978191 Electrical apparatus for differential protection with a test circuit
10/1999
10/27/1999EP0952601A2 Protective switching device
10/27/1999EP0952600A2 Two electrically interconnected juxtaposed electrical devices mounted in an electrical switchboard
10/27/1999CN2346071Y Voltage sampling open-phase automatic protection switch
10/27/1999CN2346070Y Open-phase protective A. C. contactor
10/27/1999CN1046055C 断路器 Breaker
10/26/1999US5974545 Circuit breaker trip unit processor initialization program
10/21/1999WO1999053587A1 A resettable immersion detecting circuit interrupter (idci)
10/21/1999DE19912416A1 Fehlerstromschutzschalter Residual current circuit breakers
10/20/1999EP0951046A2 Ground fault circuit breaker
10/20/1999EP0951045A2 Ground fault circuit braker
10/20/1999CN2344872Y Sparkless electronic safety device
10/20/1999CN2344871Y Lightning-protection energy-saving pulse relay
10/20/1999CN2344870Y Power supply switch for electrical equipment
10/13/1999CN2343669Y Multifunctional non-watt consumption ac contactor
10/12/1999US5966280 Modular, distributed equipment leakage circuit interrupter
10/06/1999EP0948021A1 Multipolar differential switch
10/06/1999CN2342463Y Leakage tripping device
10/06/1999CN1230761A Planar delta phase failure protection method
09/1999
09/30/1999WO1999049490A1 Rotation-activated circuit-breaker with a leading auxiliary switch
09/29/1999CN2341272Y Overvoltage leakage protecting switch
09/29/1999CN2341271Y Electric leakage protector
09/28/1999US5959826 Control device for an electromechanical contactor-circuit breaker type device with separable power contacts
09/28/1999US5959518 Contact mechanism for electronic overload relays
09/16/1999DE19910360A1 Intelligent automated line circuit-breaker for overcurrent protection
09/15/1999CN2338876Y Low voltage, four-electrode electric appliance switch having tripping switch control device
09/15/1999CN1228603A Error prevention device for electrical devices, in particular for circuit breakers and differential switches
09/14/1999US5952903 Operation of residual current devices
09/14/1999CA2111961C Automatic miniature circuit breaker with z-axis assemblable contact assembly
09/08/1999EP0940831A2 Thermal-type overload relay.
09/01/1999CN1227397A Double line 18mm wide breaker
08/1999
08/25/1999EP0868736B1 Thermal triggering system
08/25/1999CN2335258Y Three-phase power source voltage type phase loss protector
08/25/1999CN2335255Y Small electromagnetic releaser
08/25/1999CN2335254Y Electric leakage circuit breaker
08/25/1999CN1226736A Circuit breaker
08/24/1999US5943199 Mini appliance leakage current interrupter
08/24/1999CA2181217C Weathertight ground fault interrupter/container combination
08/24/1999CA2163359C Conducting spring for a circuit interrupter test circuit
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