| 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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| 09/04/2013 | CN103280778A Looped network shock-free switching off and on device and looped network breaker |
| 09/04/2013 | CN103280766A Overvoltage protection circuit |
| 09/04/2013 | CN103280765A Overvoltage protection circuit |
| 09/04/2013 | CN103280764A Anti-explosion commodity inspection box of compressor |
| 09/04/2013 | CN103280763A Direct current circuit breaker and realization method thereof |
| 09/04/2013 | CN103280762A Method for preventing misoperation in case of stroking communication base station common building power distribution system by lightning |
| 09/04/2013 | CN103280384A Undervoltage tripping device |
| 09/04/2013 | CN103278726A Device and method for monitoring and protecting series reactor |
| 09/04/2013 | CN102455390B Phase sequence detection circuit |
| 09/04/2013 | CN102222887B Under-voltage supervision circuit |
| 09/04/2013 | CN102148487B Fusing device for printed circuit board (PCB) short-circuit power supply and control method thereof |
| 09/04/2013 | CN102130438B Bath water pump overcurrent protection circuit of bath water washing machine and control method thereof |
| 09/04/2013 | CN101903782B Method and apparatus for detecting a fault in a neutral return line of an electrical network |
| 09/03/2013 | US8526157 Surge arrester and arrangement of a plurality of surge arresters to form an array |
| 09/03/2013 | US8526155 Phase-control switchgear and phase-control method for switchgear |
| 09/03/2013 | US8526152 Administering offset voltage error in a current sensing circuit |
| 09/03/2013 | US8526151 Shared memory architecture for protection of electrical distribution equipment |
| 09/03/2013 | US8526150 Central control and instrumentation system for a technical installation and method for operating a central control and instrumentation system |
| 09/03/2013 | US8526148 Semiconductor device, DC-DC converter, and protective element |
| 09/03/2013 | US8526146 Electrical wiring device |
| 09/03/2013 | US8526144 Reset lockout with grounded neutral test |
| 08/29/2013 | WO2013097287A3 Intelligent magnetic-latching miniature circuit breaker |
| 08/29/2013 | WO2013068166A3 Method for the safety shutdown of an electrical power supply system and safety device |
| 08/29/2013 | US20130222966 Dip switch change detection in a self powered relay |
| 08/29/2013 | US20130222963 Breaker-phase-control switching system and circuit-breaker control unit |
| 08/29/2013 | US20130222961 Apparatus and method for electronic circuit protection |
| 08/29/2013 | US20130222960 Over current protection apparatus |
| 08/29/2013 | US20130222957 Electronic device and protection circuit and protection method |
| 08/29/2013 | DE102012203072A1 Vorrichtung und Verfahren zum Absichern eines Stromkreises für ein Fahrzeug und Stromkreis Apparatus and method for securing an electrical circuit for a vehicle and circuit |
| 08/29/2013 | DE102012101516A1 Sicherheitsschaltvorrichtung mit Netzteil Safety switching device with power supply |
| 08/28/2013 | WO2013130048A1 Method and system for determining dc bus leakage |
| 08/28/2013 | EP2632048A1 System and method for controlling solid state circuit breakers |
| 08/28/2013 | EP2632010A1 Leakage current detector for AC and DC systems |
| 08/28/2013 | EP2632009A2 Self-test of over-current fault detection |
| 08/28/2013 | EP2632008A2 Power device |
| 08/28/2013 | EP2632007A1 Apparatus and method for correcting error of acquired data |
| 08/28/2013 | CN203167433U Circuit board with overload protection function |
| 08/28/2013 | CN203167321U Multifunctional anti-freezer |
| 08/28/2013 | CN203166755U Regulated power supply with overvoltage prevention function |
| 08/28/2013 | CN203166504U Lightning protection power supply circuit and device |
| 08/28/2013 | CN203166503U Non-follow current discharge tube module with trip function |
| 08/28/2013 | CN203166496U Module type lightning surge protection device |
| 08/28/2013 | CN203166492U Non-impact opening-closing apparatus of ring network |
| 08/28/2013 | CN203166491U Hardware platform of microcomputer protective device |
| 08/28/2013 | CN203166479U Low-voltage electric dazzling prevention control device |
| 08/28/2013 | CN203166470U Three-phase AC power supply phase sequence protection circuit, protection device and air conditioner |
| 08/28/2013 | CN203166469U Phase sequence protective relay |
| 08/28/2013 | CN203166468U Compact output end type protective power supply |
| 08/28/2013 | CN203166467U Overvoltage protection circuit |
| 08/28/2013 | CN203166466U Overvoltage short circuit protector |
| 08/28/2013 | CN203166465U Overvoltage protection circuit |
| 08/28/2013 | CN203166464U Protection circuit integrating voltage stabilization, overvoltage and overcurrent protection function |
| 08/28/2013 | CN203166463U Over-current protection circuit |
| 08/28/2013 | CN203166462U Protective device for preventing dropping of power supply voltage of microcontroller in electronic cigarette |
| 08/28/2013 | CN203166461U Control device used for overcurrent or short-circuit protection of electronic cigarette |
| 08/28/2013 | CN203166460U Fault current limiter |
| 08/28/2013 | CN203166459U DC circuit breaker |
| 08/28/2013 | CN203166458U Intelligent digital controller for mine rectifier cabinet |
| 08/28/2013 | CN203166457U Control circuit for realizing intelligent regulation |
| 08/28/2013 | CN203166238U Socket for realizing leakage protection |
| 08/28/2013 | CN203164815U Accelerating power supply for electron beam rapid prototyping manufacturing equipment |
| 08/28/2013 | CN203164277U Overcurrent and overvoltage protection detection circuit |
| 08/28/2013 | CN103269057A Ground fault protection device |
| 08/28/2013 | CN103269056A Current detection protection device and method |
| 08/28/2013 | CN103269055A Relay protection device and method |
| 08/28/2013 | CN103269000A Improved-type leakage protection socket with function of negative wiring protection |
| 08/28/2013 | CN103268144A Power monitoring device and overcurrent protection method |
| 08/28/2013 | CN102185222B Leakage protection socket with reverse wiring protection function |
| 08/28/2013 | CN102064517B Set top box and antenna short circuit protection module thereof |
| 08/28/2013 | CN101340079B Residual current protection switch and method for constructing same |
| 08/27/2013 | US8521454 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same |
| 08/27/2013 | US8520355 Methods and systems for transient voltage protection |
| 08/27/2013 | US8520353 Electronic device with surge suppression circuit |
| 08/27/2013 | US8520352 Multiple-channel active sensing and switching device |
| 08/27/2013 | US8520351 Electrostatic discharge protective circuit having rise time detector and discharge sustaining circuitry |
| 08/27/2013 | US8520350 Protection circuit for digital integrated chip |
| 08/27/2013 | US8520349 Supply voltage monitor |
| 08/27/2013 | US8520346 Abnormality detection circuit, load driving device, and electrical apparatus |
| 08/22/2013 | WO2013050281A3 Control unit for a motor vehicle |
| 08/22/2013 | US20130216866 Secondary battery pack of embedded type with novel structure |
| 08/22/2013 | US20130215653 Driver circuit and inverter circuit |
| 08/22/2013 | US20130215546 Protective Circuit and Automation Component |
| 08/22/2013 | US20130215545 Electric switch |
| 08/22/2013 | US20130215538 Leakage detection breaker |
| 08/22/2013 | US20130215537 Ground fault circuit interrupter and method |
| 08/22/2013 | DE102012202642A1 Elektrischer Schalter Electric switch |
| 08/21/2013 | EP2629385A1 Energy storage chain for a vehicle, including at least one ultracapacitor module, energy storage system including such a chain and railway vehicle including such a system |
| 08/21/2013 | EP2629384A1 Protection circuit and method for protecting electrical apparatus |
| 08/21/2013 | EP2628015A1 Fault direction parameter indicator device using only current and related methods |
| 08/21/2013 | CN203151454U Vehicle-borne ACC delay shutdown circuit |
| 08/21/2013 | CN203151087U Lightning-protection and energy-saving power transformer with non-harmful output power |
| 08/21/2013 | CN203151078U Overcurrent protection device of intermediate frequency asynchronous motor |
| 08/21/2013 | CN203151072U Intelligent molded case circuit breaker undervoltage tripping control module |
| 08/21/2013 | CN203151071U Intelligent moulded case circuit breaker shunt trip control module |
| 08/21/2013 | CN203151070U Intelligent protection device for surge protector |
| 08/21/2013 | CN203151069U Vehicle overvoltage protection circuit |
| 08/21/2013 | CN203151068U Three-phase protection relay |
| 08/21/2013 | CN203151067U Crusher single-phase alternating current display control instrument |
| 08/21/2013 | CN203151066U Multifunctional short-circuit protector |
| 08/21/2013 | CN203151065U A low-voltage electric appliance control circuit |