| 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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| 03/07/2013 | US20130057988 Leakage current detector |
| 03/07/2013 | US20130057777 Detecting batteries with non-uniform drain rates |
| 03/07/2013 | US20130057307 Circuit breaker and method for checking a rogowski converter in a circuit breaker |
| 03/07/2013 | DE112005002954B4 Energieversorgungssteuerung Power supply controller |
| 03/07/2013 | DE102011082172A1 Leistungsschalter sowie Verfahren zum Überprüfen eines Rogowskiwandlers in einem Leistungsschalter Circuit breaker as well as a method for checking in a circuit breaker Rogowskiwandlers |
| 03/07/2013 | DE102011081950A1 Household appliance e.g. dishwasher has switch that is provided for connecting earthing contacts to electrical protection device in one switching position and terminal with earthing contact in another switching position |
| 03/07/2013 | DE102006029190B4 Überstrom-Erfassungsvorrichtung Overcurrent detection device |
| 03/06/2013 | CN202773140U Backlight LED drive protection circuit and television set |
| 03/06/2013 | CN202772674U Remote controlling means for mine substation power supply integrated protection switch |
| 03/06/2013 | CN202772578U Energy-saving type transformer capable of preventing electricity stealing |
| 03/06/2013 | CN202772556U Automatic recovery circuit of lithium ion battery |
| 03/06/2013 | CN202772550U High sensitivity ground wire electriferous protection apparatus |
| 03/06/2013 | CN202772549U Protector integrated with open phase protection, phase sequence protection and overvoltage/undervoltage protections |
| 03/06/2013 | CN202772548U Photovoltaic lightning protection module |
| 03/06/2013 | CN202772547U Over-current protection circuit with feedback |
| 03/06/2013 | CN202772546U Intrinsic safety processing circuit of mining power supply |
| 03/06/2013 | CN202772545U Safe power supply device for isolation transformer |
| 03/06/2013 | CN202772089U Intelligent controller device of residual current breaker |
| 03/06/2013 | CN202771943U Instrument transformer with auxiliary air switches |
| 03/06/2013 | CN102959817A Current differential relay apparatus |
| 03/06/2013 | CN102959413A Method and apparatus for determining distance to phase-to-earth fault |
| 03/06/2013 | CN102959410A Method for arc detection and devices thereof |
| 03/06/2013 | CN102957194A Power supply system of medical battery |
| 03/06/2013 | CN102957129A Over-temperature protection terminal for control of hardware |
| 03/06/2013 | CN102957127A Communication line driver protection circuitry, systems and methods |
| 03/06/2013 | CN102957126A High-voltage element circuit and under-voltage lockout circuit thereof |
| 03/06/2013 | CN102957125A Control circuit with protection circuit for power supply |
| 03/06/2013 | CN102957124A Automatic short-circuit disconnection circuit, adapter plate and electro-hydraulic controller |
| 03/06/2013 | CN102957061A Manually reset overload and overtemperature protection power socket |
| 03/06/2013 | CN102957057A Leakage-protection tripolar plug |
| 03/06/2013 | CN102956635A Integrated copper fuse combined with esd/over- voltage/reverse polarity protection |
| 03/06/2013 | CN102955487A Power supply device |
| 03/06/2013 | CN102064710B Thyristor pressure regulator with phase sequence protection |
| 03/06/2013 | CN101636900B Transient condition detection for an electric power generation system |
| 03/06/2013 | CN101523681B Faulted phase decision method and device between current and voltage based delta phase selectors |
| 03/05/2013 | US8390976 Lightning proof device for filter |
| 03/05/2013 | US8390975 Portable motorized frame remote racking tool |
| 03/05/2013 | US8390973 Circuit breaker zone selective interlock for differentiated faults and method of operation |
| 03/05/2013 | US8390972 Secondary protection approach for power switching applications |
| 03/05/2013 | US8390971 Protection for an integrated circuit |
| 03/05/2013 | US8390968 Apparatus for protection of converter modules |
| 03/05/2013 | US8390967 Wiring device having leakage detection function |
| 03/05/2013 | US8390465 Residual-current circuit breaker |
| 02/28/2013 | US20130050890 Multi-functional solid state power controller |
| 02/28/2013 | US20130050882 High impedance fault isolation system |
| 02/28/2013 | US20130050881 Plant for transmitting high voltage dc electric power including overvoltage protection |
| 02/28/2013 | US20130049783 Voltage clamping circuit and use thereof |
| 02/28/2013 | DE10253018B4 Schaltgerät sowie System und Verfahren zur Strommessung in dem Schaltgerät Switching device and system and method for measuring current in the switching device |
| 02/27/2013 | EP2562893A2 Solid state power controller for high voltage direct current systems |
| 02/27/2013 | EP2562811A1 Power module and power conversion device provided with said power module |
| 02/27/2013 | CN202759374U Shutoff protective power supply device |
| 02/27/2013 | CN202759221U Network relay protection device capable of realizing rapid fault isolation and reconstruction |
| 02/27/2013 | CN202759216U Overload alarm device for power transformer |
| 02/27/2013 | CN202759215U Equipment used for free tripping neutral pole of switch |
| 02/27/2013 | CN202759214U Surge protector |
| 02/27/2013 | CN202759213U Automatic control system for high voltage transmission line |
| 02/27/2013 | CN202759212U Power equipment protection system and controller used in conjunction with power equipment protection system |
| 02/27/2013 | CN202759211U Traveling crane circuit protection system |
| 02/27/2013 | CN102948029A Ground fault interrupt circuit for electric vehicle |
| 02/27/2013 | CN102946091A Current type overload protection device for circuit breakers |
| 02/27/2013 | CN102946085A Wide-dynamic-range residual current protection device |
| 02/27/2013 | CN102946084A Multi-functional residual-current circuit breaker |
| 02/27/2013 | CN102946083A Intelligent household circuit breaker |
| 02/27/2013 | CN102945775A Built-in C-type intelligent circuit breaker with automatic switching-on function |
| 02/27/2013 | CN101976816B Overload protection method and device |
| 02/27/2013 | CN101814728B Fault protection reset controlling system and method for large-power IGBT (Insulated Gate Bipolar Translator ) optical fiber driving circuit |
| 02/26/2013 | US8385038 Circuit breaker switching control system |
| 02/26/2013 | US8385037 Protective switching device for monitoring the electrical current flow to an electrical user and method for monitoring the electrical current flow to an electrical user by way of a protective switching device |
| 02/26/2013 | US8385036 System and method for negative voltage protection |
| 02/26/2013 | US8385034 Electrostatic discharge protection circuit |
| 02/26/2013 | US8385032 High efficiency bridgeless PFC converter and method |
| 02/26/2013 | CA2460833C System and method for implementing journaling in a multi-node environment |
| 02/21/2013 | WO2013025411A1 Adaptive light detection for arc mitigation systems |
| 02/21/2013 | US20130044401 Protection component and protection device using the same |
| 02/21/2013 | US20130044400 Voltage-modifying device for electric meter |
| 02/21/2013 | US20130044399 Protection system for server |
| 02/21/2013 | DE102011052810A1 Sicherheitsschalteinrichtung Safety switch |
| 02/21/2013 | DE102006059384B4 Gerät mit einem Stromwandler zur Erfassung eines durch einen Stromleiter fließenden Stromes sowie Klemmen-/Stromwandler-Modul für ein derartiges Gerät Device with a current transformer for detecting a current flowing through a power line current and terminal / power converter module for such a device |
| 02/21/2013 | CA2842994A1 Adaptive light detection for arc mitigation systems |
| 02/20/2013 | EP2560283A1 Short-circuit protection method |
| 02/20/2013 | EP2559127A2 Residual current device |
| 02/20/2013 | CN202750336U Over-voltage protection printed circuit board (PCB) |
| 02/20/2013 | CN202750036U Light adjusting motor control circuit of automotive headlamp |
| 02/20/2013 | CN202749803U Short-circuit protection circuit for direct-current power supply having function of pre-charging |
| 02/20/2013 | CN202749798U Novel energy saving electrical load limiter |
| 02/20/2013 | CN202749797U Column breaker with zero sequence current indication function |
| 02/20/2013 | CN202749796U Communicative intelligent electric leakage external device |
| 02/20/2013 | CN202749795U Power-up overvoltage protection circuit of electric welding machine |
| 02/20/2013 | CN202749794U Static bolt lock protection circuit based on chip SW172x |
| 02/20/2013 | CN202749793U Independent power supply safety protection system of distribution transformer |
| 02/20/2013 | CN202749792U Automobile power switch |
| 02/20/2013 | CN202749791U Additional circuit for split type protector current?transformer exchange |
| 02/20/2013 | CN102939717A Device for electric circuit monitoring |
| 02/20/2013 | CN102938797A Current detection and control device for mobile terminal |
| 02/20/2013 | CN102938558A Low-voltage distribution system with leakage protection device |
| 02/20/2013 | CN102938553A DRYING-GASP alarm controlling circuit |
| 02/20/2013 | CN102938552A Overvoltage/overcurrent protection circuit |
| 02/20/2013 | CN102938353A Intelligent micro-breaker with automatic switching-on function |
| 02/20/2013 | CN102938352A A type intelligent breaker with automatic switching-on function |
| 02/20/2013 | CN102290689B Earth leakage protection plug |