| 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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| 07/28/2011 | CA2787077A1 Circuit breaker panel |
| 07/27/2011 | EP2348594A1 Circuit interrupter with over-current and fault current detector |
| 07/27/2011 | EP2347490A1 Residual current circuit breaker |
| 07/27/2011 | EP2020069B1 An earth leakage protection device with time alert feature |
| 07/27/2011 | EP1771929B1 Method and device for identifying pinching situations in displacing drives in motor vehicles |
| 07/27/2011 | CN201910616U Single-phase single-tube bridge type short circuit current limiter |
| 07/27/2011 | CN201910614U Over-temperature alarm and protection device for heat exchange water tank of artificial heart-lung machine |
| 07/27/2011 | CN201910612U Automatic control device for vacuum circuit breaker of power distribution network |
| 07/27/2011 | CN201910611U Accidental power failure protection circuit |
| 07/27/2011 | CN201910610U Protective device for preventing zero wire from being broken to cause abnormal voltage to burn down power supply and utilization equipment |
| 07/27/2011 | CN201910549U Universal electric leakage protection plug allowing for monitoring capability of detecting ground wire lively |
| 07/27/2011 | CN201910047U Safety alarm IIC (internal integrated circuit) communication card |
| 07/27/2011 | CN102138264A Device having a converter |
| 07/27/2011 | CN102138263A Short-circuit distance relay |
| 07/27/2011 | CN102137534A Virtual ground type high-voltage constant-current circuit |
| 07/27/2011 | CN102136721A Multi-object optimized power supply recovery reasoning and searching method |
| 07/27/2011 | CN102136717A Charger and charging protection device |
| 07/27/2011 | CN102136716A Grid frequency detection method based on phase locked loop technology |
| 07/27/2011 | CN102135924A Fault tolerant data storage circuit |
| 07/27/2011 | CN101295609B Circuit protection device for automatically monitoring operation disturbance |
| 07/26/2011 | US7987391 Fault tolerance using digests |
| 07/26/2011 | US7986503 Circuit protection system |
| 07/26/2011 | US7986501 Detecting and sensing actuation in a circuit interrupting device |
| 07/26/2011 | US7986500 Ground fault detection in an ungrounded electrical system |
| 07/26/2011 | US7986149 System and method for adaptive load fault detection |
| 07/26/2011 | US7986148 Arc fault detector |
| 07/26/2011 | US7984540 Method of enclosing an electronic circuit with a permanently closed enclosure |
| 07/26/2011 | CA2596286C Battery pack |
| 07/26/2011 | CA2286514C Improvements relating to monitoring apparatus for electrical circuits |
| 07/25/2011 | CA2727483A1 Short-circuit isolator |
| 07/21/2011 | WO2011085958A1 Device for electric circuit monitoring |
| 07/21/2011 | WO2011085464A1 A rail for inductively powering firearm accessories |
| 07/21/2011 | WO2011041356A3 System and method for polyphase ground-fault circuit-interrupters |
| 07/21/2011 | US20110176248 Protection circuit |
| 07/21/2011 | DE102010060873A1 Fahrzeugleistungsgenerator mit verbesserter Fehlertoleranz Vehicle power generator with improved fault tolerance |
| 07/21/2011 | DE102010004524A1 Vorrichtung zur elektrischen Stromkreisüberwachung Device for electrical circuit monitoring |
| 07/21/2011 | DE102010000954A1 Elektronische Ansteuereinrichtung Electronic control device |
| 07/21/2011 | CA2787144A1 A rail for inductively powering firearm accessories |
| 07/20/2011 | EP2345158A1 Segmental electronic circuit breaker and installation comprising same |
| 07/20/2011 | EP2345123A1 Differential protection method and differential protection device |
| 07/20/2011 | EP2345122A1 Visual indication of fault status, storage and clearance in an arc fault circuit interrupter (afci) |
| 07/20/2011 | CN201904724U Thyristor voltage regulator with phase sequence protection function |
| 07/20/2011 | CN201904718U DC-DC converter |
| 07/20/2011 | CN201904649U Self-starting circuit of generator set |
| 07/20/2011 | CN201904613U USP control signal interlocking protection circuit |
| 07/20/2011 | CN201904610U Overcurrent locking circuit for lithium battery protection circuit |
| 07/20/2011 | CN201904601U Multifunctional three-phase circuit breaker |
| 07/20/2011 | CN201904600U Electricity utilization overload reminder |
| 07/20/2011 | CN201904515U Power socket with leakage current measuring protective device |
| 07/20/2011 | CN201901003U Vehicle-mounted equipment and power management device thereof |
| 07/20/2011 | CN1808640B Monitoring device for lightning arrester |
| 07/20/2011 | CN102132627A A surge protection circuit |
| 07/20/2011 | CN102132469A Substation automation wiht redundant protection |
| 07/20/2011 | CN102130440A Special integrated circuit chip for A type electric leakage protector |
| 07/20/2011 | CN102130439A Leakage protection switch with virtual connection preventing function |
| 07/20/2011 | CN102130438A Bath water pump overcurrent protection circuit of bath water washing machine and control method thereof |
| 07/20/2011 | CN102130437A Circuit breaker |
| 07/20/2011 | CN102130436A Circuit and method for monitoring load current as well as fire alarm control device |
| 07/20/2011 | CN102130435A Motor transient-power failure self-control re-starting circuit module |
| 07/20/2011 | CN102126436A Power fail safeguard system and method of electric vehicle driving system |
| 07/20/2011 | CN101611455B Fuse cell and method for programming the same |
| 07/20/2011 | CN101504898B Permanent magnet contactor control apparatus having auxiliary contacts |
| 07/20/2011 | CN101493243B Multiple energy resource air conditioning equipment and multiple energy resource power control unit |
| 07/20/2011 | CN101436496B Multifunctional electric leakage circuit breaker |
| 07/20/2011 | CN101364730B Input voltage protection circuit |
| 07/20/2011 | CN101174516B State monitoring device for circuit breaker |
| 07/19/2011 | US7983014 Disconnector and overvoltage protection device |
| 07/19/2011 | US7983013 Operating and controlling insulated gate bipolar transistors in high speed failure mode situations |
| 07/19/2011 | US7983012 Communication circuit for a digital electronic dimming ballast |
| 07/19/2011 | CA2489178C Fault location using measurements of current and voltage from one end of a line |
| 07/14/2011 | WO2011085048A1 Improved power supply and method related thereto |
| 07/14/2011 | WO2011084933A1 Power node switching center with active feedback control of power switches |
| 07/14/2011 | WO2011038260A3 Surge protection device with improved response time |
| 07/14/2011 | US20110170223 Power distribution unit branch protection |
| 07/14/2011 | US20110170221 PTC Device |
| 07/14/2011 | US20110170220 Reclosing system for power transmission line |
| 07/14/2011 | US20110170219 Islanded Power System with Distributed Power Supply |
| 07/14/2011 | DE102010004644A1 Redundanzmodul mit symmetrischen Strompfaden Redundancy module with symmetrical current paths |
| 07/14/2011 | DE102010004459A1 Overvoltage protection device for use in arrangement for protecting system against overvoltage, has optoelectric transmitting- or receiving unit, where electrical operating parameter of overvoltage protection device is optically emitted |
| 07/14/2011 | DE102010004216A1 Energieversorgungseinrichtung Power supply device |
| 07/14/2011 | CA2786462A1 Improved power supply and method related thereto |
| 07/13/2011 | EP2343786A2 Circuit fault detecting device and method |
| 07/13/2011 | EP2342790A1 Method and device for activating monitoring by a jamming protection function in an electrical closing system |
| 07/13/2011 | EP2342574A1 Fault location in electrical power supply grids using the distance protection principle |
| 07/13/2011 | EP1805861B1 Earth leakage circuit breaker |
| 07/13/2011 | CN201898325U Intelligent recloser in power distribution network |
| 07/13/2011 | CN201898320U Automatic protector for orbit electrical equipment |
| 07/13/2011 | CN201898319U Overvoltage protection device of digital voltmeter |
| 07/13/2011 | CN201898318U Open-phase protector for three-phase current |
| 07/13/2011 | CN201898317U Open-phase, short-circuit and overload protection device of three-phase electric equipment |
| 07/13/2011 | CN201898316U Energy-saving power device |
| 07/13/2011 | CN201898315U Low-voltage operated delay protection driving circuit |
| 07/13/2011 | CN102124622A Fault-current detection device |
| 07/13/2011 | CN102124621A Method for operating a fault-current circuit breaker, and fault-current circuit breaker |
| 07/13/2011 | CN102124620A A standalone self-supplied numeric controlled relay |
| 07/13/2011 | CN102124619A Electric apparatus |
| 07/13/2011 | CN102122814A Adaptive reclosing method based on travelling wave segmentation principle for mixed line |
| 07/13/2011 | CN102122810A Current diagnosing device and method for monitoring state of current transformer |
| 07/13/2011 | CN102122809A Intelligent leakage controller system and selective locking method thereof |
| 07/13/2011 | CN102122808A Fault display circuit |