| 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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| 04/21/2011 | US20110090607 String and system employing direct current electrical generating modules and a number of string protectors |
| 04/21/2011 | US20110090605 Semiconductor integrated circuit |
| 04/21/2011 | DE102007033183B4 Verpolschutzeinrichtung und Verfahren zum Unterbrechen eines Stromes Polarity reversal protection device and method for interrupting a current |
| 04/20/2011 | EP2311162A1 A protection arrangement for an electrical power distribution network |
| 04/20/2011 | CN201805275U Automatic recovery device for intelligent diagnosis of power grid faults |
| 04/20/2011 | CN201805220U Intelligent voltage-stabilizing power supply control device for atmosphere monitoring station |
| 04/20/2011 | CN201805212U Incoming line open-phase protection device of traction substation |
| 04/20/2011 | CN201805211U Starting protection device for test run of electrical equipment |
| 04/20/2011 | CN201805210U Pumping controller |
| 04/20/2011 | CN201805209U Quadrupole over-under voltage protection circuit |
| 04/20/2011 | CN201805208U Restorable overcurrent protector and electronic product |
| 04/20/2011 | CN201804820U Grounding fault circuit interrupter having end-of-life over-current protection, automatic clip releasing and alarming |
| 04/20/2011 | CN201804805U Current limiting resistor connecting structure of selective over-current protective circuit breaker |
| 04/20/2011 | CN201804684U Transformer having function of current phase-loss protection |
| 04/20/2011 | CN201803292U Solar light-emitting diode (LED) yard lamp |
| 04/20/2011 | CN1988303B Leaking current controller |
| 04/20/2011 | CN1945771B Outdoor high voltage double power source vacuum breaker |
| 04/20/2011 | CN1902798B Method and device for fault detection in transformers or power lines |
| 04/20/2011 | CN102026448A LED power circuit |
| 04/20/2011 | CN102026447A Daylight lamp constant current driving method and driving circuit thereof |
| 04/20/2011 | CN102026436A Led traffic signal with synchronized power pulse circuit |
| 04/20/2011 | CN102025509A Power-off control method and device |
| 04/20/2011 | CN102025264A Safety grating |
| 04/20/2011 | CN102025170A Display calculation type storage battery instant electric quantity charge-discharge protection management system |
| 04/20/2011 | CN102025143A Transient voltage-resistant delay circuit |
| 04/20/2011 | CN102025128A Default phase protection circuit |
| 04/20/2011 | CN102025124A Single phase earth connection relaying protective method |
| 04/20/2011 | CN102025123A Elevator control cabinet phase loss detection circuit |
| 04/20/2011 | CN102025122A Protective circuit |
| 04/20/2011 | CN102019890A Control box of high-performance central electric assembly for automobile |
| 04/20/2011 | CN101557094B Disconnection auto-action or alarm circuit of external residual current transformer |
| 04/20/2011 | CN101366159B A ground-fault circuit-interrupter system for three-phase electrical power system |
| 04/20/2011 | CN101232171B Television power supply protective circuit |
| 04/20/2011 | CN101179185B USB interface short-circuit protection circuit and power supply with USB interface short-circuit protection function |
| 04/20/2011 | CN101154808B Surge protector for implementing real-time working condition data storage |
| 04/20/2011 | CN101038804B Overvoltage protection device with simplified display system and corresponding production method |
| 04/19/2011 | US7930452 Parallel link electrical and timing parameter specification for output driver and input receiver that selects bandwidth or frequency based on timing parameters |
| 04/19/2011 | US7929267 System comprising an automotive fuse and an A/D converter |
| 04/19/2011 | US7929266 Electronic device operable to protect a power transistor when used in conjunction with a transformer |
| 04/19/2011 | US7929264 Electro-static discharge protection device having a low trigger voltage and reduced size |
| 04/19/2011 | US7929262 Method and structure for avoiding hot carrier degradation and soft leakage damage to ESD protection circuit |
| 04/19/2011 | US7929260 Arc flash elimination system, apparatus, and method |
| 04/19/2011 | CA2383738C Digital fault interrupter with self-testing capabilities |
| 04/19/2011 | CA2339062C Low capacitance surge protector for high speed data transmission |
| 04/14/2011 | WO2011041843A1 3 phase rcbo |
| 04/14/2011 | US20110085816 Electric power relaying unit and image forming apparatus having the same |
| 04/14/2011 | US20110085274 Circuit breaker |
| 04/14/2011 | US20110085273 Circuit Breaker With Improved Re-Closing Functionality |
| 04/14/2011 | US20110085272 Systems and Methods for Generator Ground Fault Protection |
| 04/14/2011 | US20110085271 LED Modules for Sign Channel Letters and Driving Circuit |
| 04/14/2011 | DE202010016526U1 Schaltung zum Schutz gegen Verpolung Circuit for protection against reverse polarity |
| 04/14/2011 | DE102010037415A1 Verfahren zur Steuerung eines Stromflusses durch einen Stromverteilerkreis A method for controlling a current flowing through a power distribution circuit |
| 04/13/2011 | EP2309520A2 A surface-mount multi-layer electrical circuit protection device with an active element between PPTC layers |
| 04/13/2011 | CN201797316U Output over-voltage protection circuit of redundant power system |
| 04/13/2011 | CN201797310U N pole output protector of monitoring breaker |
| 04/13/2011 | CN201797299U Reverse-power relay |
| 04/13/2011 | CN201797298U Intelligent and multifunctional switching-on and switching-off device for power supply circuit breaker |
| 04/13/2011 | CN201797297U Wiring circuit for improving current sensitivity of microcomputer protection device |
| 04/13/2011 | CN201797296U Multifunctional intelligent earth leakage circuit breaker |
| 04/13/2011 | CN201797295U 剩余电流保护器 Residual current protective devices |
| 04/13/2011 | CN201797294U Novel intelligent residual current circuit breaker |
| 04/13/2011 | CN201797293U Anti-surge protection circuit for aviation direct current power supply |
| 04/13/2011 | CN201797292U Reverse power relay with overcurrent |
| 04/13/2011 | CN201797291U Electrical wiring device |
| 04/13/2011 | CN201796833U Split-type intelligent miniature circuit breaker |
| 04/13/2011 | CN201796569U Displaying and alarming device of intelligent circuit break protector |
| 04/13/2011 | CN201795386U Alarm lamp for machine table |
| 04/13/2011 | CN201789844U Testing device for dissolved oxygen |
| 04/13/2011 | CN1819383B Method for judging stability of unstable balanced point |
| 04/13/2011 | CN102014564A Practical and efficient LED drive circuit |
| 04/13/2011 | CN102014557A LED dimming power supply |
| 04/13/2011 | CN102013802A BOOST circuit with short circuit protection function |
| 04/13/2011 | CN102013661A Circuit breaker |
| 04/13/2011 | CN102013660A Quadrupole overvoltage-undervoltage protection circuit and method |
| 04/13/2011 | CN102013659A Surge voltage and current protective device |
| 04/13/2011 | CN102013658A Over-current protection circuit |
| 04/13/2011 | CN101599398B Earth leakage circuit breaker |
| 04/13/2011 | CN101252269B Leakage relay |
| 04/13/2011 | CN101227089B Discriminating and protecting method and apparatus for eliminating single phase ground fault by neutral point non-useful earthing electric network |
| 04/12/2011 | US7925458 Arc fault detector with circuit interrupter |
| 04/12/2011 | US7925388 Remotely controllable wireless energy control unit |
| 04/12/2011 | US7924543 Current-limiting circuit with additional current path |
| 04/12/2011 | US7924541 Power plug with leakage current protection function |
| 04/12/2011 | US7924540 Over-voltage protection circuit |
| 04/12/2011 | US7924539 Semiconductor integrated circuit |
| 04/12/2011 | US7924537 Miswiring circuit coupled to an electrical fault interrupter |
| 04/12/2011 | US7924535 Electronic arc extinguishing device |
| 04/12/2011 | US7923869 Power adapter |
| 04/07/2011 | WO2011041356A2 System and method for polyphase ground-fault circuit-interrupters |
| 04/07/2011 | WO2011040128A1 Earth fault detection circuit and power source device |
| 04/07/2011 | WO2011038757A1 Method of high impedance groundfault detection for differential protection of overhead transmission lines |
| 04/07/2011 | US20110080682 Electrical protection assembly and system |
| 04/07/2011 | US20110080681 Protection apparatus for load circuit |
| 04/07/2011 | US20110080680 Method for managing a fault event in a network for distributing electrical energy, and a corresponding electronic protection unit |
| 04/07/2011 | US20110080677 Protective device |
| 04/07/2011 | DE102009045244A1 Abschaltungseinrichtung für die Trennung einer elektrischen Energiequelle von einer Last und Schaltungssystem mit einer Abschaltungseinrichtung Shut-off means for the separation of an electrical energy source and a load circuit system having a shut-off device |
| 04/07/2011 | CA2776261A1 Method of high impedance groundfault detection for differential protection of overhead transmission lines |
| 04/07/2011 | CA2775883A1 System and method for polyphase ground-fault circuit-interrupters |
| 04/06/2011 | EP2306609A2 Ground fault detection device |
| 04/06/2011 | EP2306608A2 Two-level lightning protection circuit |