| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 03/10/2010 | CN201422010Y Power consumption protector with overvoltage under-voltage protection and time-delay function |
| 03/10/2010 | CN201422009Y Leakage detection and protection circuit |
| 03/10/2010 | CN201422008Y Electric leakage inspecting protection circuit |
| 03/10/2010 | CN201422007Y Electric leakage inspecting protection circuit |
| 03/10/2010 | CN201422006Y Electric leakage inspecting protection circuit |
| 03/10/2010 | CN201422005Y Thunder and lightning isolation device |
| 03/10/2010 | CN201422004Y Device for eliminating power consumed by inaction stand-by of electric apparatus |
| 03/10/2010 | CN100593725C Battery leakage detection circuit for electric vehicle and leakage detection method for electric vehicle |
| 03/09/2010 | US7675727 Protection circuit for power management semiconductor devices and power converter having the protection circuit |
| 03/09/2010 | US7675726 Device for protecting electronic modules in a multi-voltage on-board electrical system against short circuits |
| 03/09/2010 | US7675725 Constant voltage output circuit |
| 03/09/2010 | US7675724 Electrostatic discharge protection device for mixed voltage interface |
| 03/09/2010 | US7675723 Transient to digital converters |
| 03/09/2010 | US7675721 Circuit interrupter including a shunt wire current sensor and a processor having a thermal overload predictive function |
| 03/09/2010 | US7675193 Selective independent overload and group overload protection circuit of power supply |
| 03/04/2010 | WO2010023956A1 Short-circuit distance relay |
| 03/04/2010 | WO2010022559A1 Method and apparatus for fault identification in a power transmission line |
| 03/04/2010 | WO2010001057A9 Method for electrically securing an electrical power supply of an electrically controlled lighting system or system with variable optical properties and use of the electrically secured system |
| 03/04/2010 | US20100053833 Manually-controlled arc flash energy reduction system and method for circuit breaker trip units |
| 03/04/2010 | US20100053832 Power distribution switch circuits with fast responses to hard short-circuits |
| 03/04/2010 | US20100053831 Wideband overvoltage protection circuit |
| 03/04/2010 | US20100053830 Method and apparatus for mitigation of dynamic overvoltage |
| 03/04/2010 | US20100053829 Faulted Phase Decision Method Between Current And Voltage Based Delta Phase Selectors |
| 03/04/2010 | US20100053828 Device and method for detecting faulted phases in a multi-phase electrical network |
| 03/04/2010 | US20100053826 Electrical Wiring Device |
| 03/04/2010 | DE102008044651A1 Voltage monitoring arrangement for safety module for e.g. safety stored program control, has interruption units independently actuated together such that supply voltages are maintained during actuation of interruption units |
| 03/04/2010 | DE102008039450A1 Method for detecting operating condition of electrical appliance i.e. electrical heating device, and for disconnecting appliance in non-determined operating condition, involves disconnecting electrical appliance from supply voltage |
| 03/04/2010 | DE102008038847A1 Vorrichtung zum Schutz eines Gleichspannungswandlers An apparatus for protecting a DC-DC converter |
| 03/04/2010 | CA2735726A1 Short-circuit distance relay |
| 03/03/2010 | EP2159898A1 Charging device, and charging system |
| 03/03/2010 | EP2159893A1 Substation automation with redundant protection |
| 03/03/2010 | EP2158655A1 Circuit arrangement for fault notification |
| 03/03/2010 | CN201418190Y LED lighting control system |
| 03/03/2010 | CN201418037Y Exchange type power supply device with multi-indicator lamp signal function |
| 03/03/2010 | CN201417943Y Explosion-proof power source lightning protection box |
| 03/03/2010 | CN201417942Y Matrix pressure-sensitive surge protection module |
| 03/03/2010 | CN201417930Y Low-voltage single-phase alternating current earth leakage protective device |
| 03/03/2010 | CN201417929Y Charger protection circuit |
| 03/03/2010 | CN201417887Y Power-off opening high-voltage switch cabinet |
| 03/03/2010 | CN101662138A Electric locomotive power supply line comprehensive protection device for mine |
| 03/03/2010 | CN101662137A Method for detecting electric arc light and detection device therefor |
| 03/02/2010 | US7673177 Circuit and method for providing PCB power-on self test capability for peripheral devices |
| 03/02/2010 | US7672106 Switching incandescent lamps and other variable resistance loads with a solid state, smart, high side driver having overcurrent and temperature sensing protection circuits |
| 03/02/2010 | US7672104 Current protection apparatus and method |
| 03/02/2010 | US7672103 Circuit having low operating voltage for protecting semiconductor device from electrostatic discharge |
| 03/02/2010 | US7672102 Electrical overstress protection |
| 03/02/2010 | US7672100 Electrostatic discharge protection structures with reduced latch-up risks |
| 03/02/2010 | US7672099 Current fault detector and circuit interrupter and packaging thereof |
| 03/02/2010 | US7672097 Electrical device with circuit status indicator |
| 03/02/2010 | US7672096 Switching apparatus and method |
| 03/02/2010 | US7672095 Relay controller |
| 03/02/2010 | US7671560 Method and apparatus for handling deeply discharged batteries in a mobile station |
| 02/25/2010 | WO2010020898A1 A surge protection circuit |
| 02/25/2010 | WO2010020411A1 Limiting device for residual currents in a low voltage inverter |
| 02/25/2010 | US20100046132 Fan system and power reverse protection apparatus thereof |
| 02/25/2010 | US20100046129 Ground protection device for electronic stability and personal safety |
| 02/25/2010 | US20100046127 Residual current device |
| 02/25/2010 | DE19905170B4 Elektronisches, insbesondere berührungslos arbeitendes, verpolfestes Schaltgerät Electronic, particularly non contact optical, verpolfestes switching device |
| 02/25/2010 | DE102008039249A1 Schutzschalter und Verwendung eines derartigen Schutzschalters in einem elektrischen Gerät Protection switch and use of such a circuit breaker in an electrical device |
| 02/25/2010 | DE102008037831A1 Verfahren zum Betreiben eines Fehlerstromschutzschalters sowie Fehlerstromschutzschalter Method for operating a residual current circuit breaker and residual current circuit breaker |
| 02/25/2010 | DE102008037830A1 Fehlerstromerfassungsgerät Fault current detection device |
| 02/24/2010 | EP2157675A2 Circuit breaker and use of such a circuit breaker in an electrical device |
| 02/24/2010 | EP2156203A1 Method and device to predict a state of a power system in the time domain |
| 02/24/2010 | CN201414008Y Fusing display replaceable charger |
| 02/24/2010 | CN201413995Y Circuit for surge protector |
| 02/24/2010 | CN201413993Y Fusing combination-type segregated and integrated surge protector |
| 02/24/2010 | CN201413982Y Protective device of main distribution frame |
| 02/24/2010 | CN201413981Y Protective device of power supply equipment in communication base station |
| 02/24/2010 | CN201413980Y 交流过电压保护装置 AC overvoltage protection device |
| 02/24/2010 | CN201413979Y 数字式电压继电器 Digital voltage relay |
| 02/24/2010 | CN201413978Y AC servo drive circuit |
| 02/24/2010 | CN201413915Y Earth leakage protective plug |
| 02/24/2010 | CN201413455Y Energy-saving control device |
| 02/24/2010 | CN101656413A Overvoltage protection device |
| 02/23/2010 | US7668215 Apparatus for dissipating heat in electro-optical communications systems |
| 02/23/2010 | US7667941 Power supply circuit protecting method and apparatus for the same |
| 02/23/2010 | US7667940 Power switching apparatus with open-load detection |
| 02/23/2010 | US7667939 Bus driver including control circuit for overvoltage protection |
| 02/23/2010 | US7667938 Power node switching center |
| 02/23/2010 | US7667936 High-voltage tolerant power-rail ESD clamp circuit for mixed-voltage I/O interface |
| 02/23/2010 | US7667935 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 02/23/2010 | US7667435 Secondary battery protection circuit with over voltage transient protection |
| 02/20/2010 | CA2675590A1 Circuit interrupter and receptacle including semiconductor switching device providing protection from a glowing contact |
| 02/18/2010 | WO2010018454A2 Method for preventing electric shock by contact with connected-to-ground electric appliances and installations, and apparatus therefor |
| 02/18/2010 | WO2010018058A1 Method for operating a fault-current circuit breaker, and fault-current circuit breaker |
| 02/18/2010 | WO2010018057A1 Fault-current detection device |
| 02/18/2010 | WO2010018018A1 Electric system |
| 02/18/2010 | WO2010017974A1 Method for controlling and/or monitoring functions |
| 02/18/2010 | US20100039743 Electrostatic discharge protection circuit |
| 02/18/2010 | US20100039742 Electrical Fault Restricting System |
| 02/18/2010 | US20100039741 Electrical protection arrangement for an electrical distribution network |
| 02/18/2010 | US20100039736 Protective circuit for protection of an appliance, in particular an electric motor,against thermal overloading |
| 02/18/2010 | US20100039278 Reset lockout for sliding latch gfci |
| 02/18/2010 | DE112008000929T5 Stromunterbrechungsvorrichtung mit automatischer Betätigung beim Auftreten von Funken an einer elektrischen Leitung Current interrupt device for automatically actuated upon the occurrence of sparks on an electric line |
| 02/17/2010 | EP2153501A1 Power switch for preventing accidental arcs |
| 02/17/2010 | CN201408987Y Surge protection device |
| 02/17/2010 | CN201408984Y Power protection circuit, power unit and television |
| 02/17/2010 | CN201408983Y Open-phase protection device |
| 02/17/2010 | CN201408982Y Malignant load intelligent identifying current limiter |
| 02/17/2010 | CN201408981Y Single-phase intelligent power protector |