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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08/05/2009 | CN101499376A Low bypass fine arrestor |
08/05/2009 | CN101498745A Current detecting device and method |
08/05/2009 | CN100524999C A power testing sampling protection unit |
08/05/2009 | CN100524997C Less voltage protector |
08/05/2009 | CN100524996C Power source protector |
08/05/2009 | CN100524995C Special intelligent circuit breaker for railway signal |
08/05/2009 | CN100524994C Protector in current sense mode for arc discharge |
08/05/2009 | CN100524993C Method for protecting circuit having power switch means |
08/04/2009 | US7571352 Aspect based recovery system and method |
08/04/2009 | US7570471 Circuit breaker trip unit with zone selective interlock and system monitoring |
08/04/2009 | US7570470 Self-powered communications link for smart circuit breakers |
08/04/2009 | US7570469 Dynamically configurable relay element and related methods |
08/04/2009 | US7570465 Industrial arc fault circuit interrupter and method of detecting arcing conditions |
08/04/2009 | US7570147 Fuse component comprising an optical indicator |
08/04/2009 | US7570062 Method of actuating a test function of an electrical switching apparatus and electrical switching apparatus employing the same |
08/04/2009 | US7570026 Protection circuit with minimized voltage reference unevenness between charger and battery pack |
07/30/2009 | WO2009092509A1 Control unit for safely re-enabling a ground fault interrupter |
07/30/2009 | WO2009043075A3 Ground fault circuit interrupter |
07/30/2009 | US20090193233 Mechanism for Avoiding Check Stops in Speculative Accesses While Operating in Real Mode |
07/30/2009 | US20090190280 Current limiter circuit and motor drive circuit |
07/30/2009 | US20090190279 Electronic load control unit (elcu) used as bus tie breaker in electrical power distribution systems |
07/30/2009 | US20090190278 Electronic device having reverse connection protection circuit |
07/30/2009 | US20090190275 System and method for ground fault detection and interruption |
07/30/2009 | US20090189461 Integrated circuit including a power mos transistor |
07/30/2009 | US20090189182 Integrated RF ESD Protection for High Frequency Circuits |
07/30/2009 | DE10362205B4 Elektronische Schutzschaltung gegen Einschaltstoßströme Electronic protection circuit against inrush |
07/30/2009 | DE102009005265A1 Lastansteuerungsschaltung in einem Kraftfahrzeugsteuergerät Load drive circuit in a motor vehicle control unit |
07/30/2009 | DE102008004869A1 Lichtbogenschutzmodul Arc Protection Module |
07/30/2009 | DE102008004868A1 Fehlerstromschutzschalter Residual current circuit breakers |
07/29/2009 | EP2083493A1 Overload relay and method for operating such an overload relay |
07/29/2009 | EP2083278A1 Method and apparatus for determining location of phase-to-phase fault |
07/29/2009 | EP2082466A2 Systems and methods for arc fault detection |
07/29/2009 | EP2082244A2 Current limit detector |
07/29/2009 | CN201282326Y Input power supply overvoltage protection circuit |
07/29/2009 | CN201282325Y Power-off protection device for detecting input/output signal abnormal |
07/29/2009 | CN101494370A Circuit breaker electronic trip unit personality module |
07/29/2009 | CN100521439C Electrostatic discharge protection circuit and method of operation |
07/29/2009 | CN100521437C Mixed integrated circuit equiped with overcurrent protector |
07/29/2009 | CN100521432C Grounding leakage circuit breaker |
07/29/2009 | CN100521431C Integrated protective system based on current differential principle |
07/29/2009 | CN100521430C TMS2812 relay protector based novel anti-jump loop |
07/29/2009 | CN100521429C TMS2812 relay protector based DC monitor circuit |
07/29/2009 | CN100521428C Circuit interrupting device with lock out and reversible wiring |
07/28/2009 | US7567050 Arrangement for operating an electrically adjustable item of furniture for sitting and/or lying upon |
07/23/2009 | WO2009089995A1 Residual current device |
07/23/2009 | WO2009089994A1 Arc protection module |
07/23/2009 | WO2009089993A1 Module mechanically linkable to a circuit breaker |
07/23/2009 | WO2009089665A1 Protection device for supply circuit with positive and negative double power |
07/23/2009 | US20090185322 Combination current sensor and relay |
07/23/2009 | US20090185321 Device and method for the extended protection of electric lines |
07/23/2009 | US20090185320 Detection of current leakage through opto-switches |
07/23/2009 | US20090185319 Method of breaking an overcurrent |
07/23/2009 | US20090184717 Methods for common mode voltage-based ac fault detection, verification and/or identification |
07/23/2009 | US20090184395 Input/output (i/o) buffer |
07/23/2009 | DE202008017194U1 Überspannungs-/Umkehrspannungs-Schutzschaltung Overvoltage / reverse voltage protection circuit |
07/23/2009 | DE102008006360B3 Fehlerstromschutzschalter sowie Verfahren zum Durchführen eines Selbsttestes eines Fehlerstromschutzschalters Residual current circuit breakers and method for performing a self-test of a residual current circuit breaker |
07/22/2009 | EP2080256A1 Shock-proof electrical output device and method for detecting an actual load |
07/22/2009 | EP2080177A1 System for fire protection of electrical installations |
07/22/2009 | EP1502343B1 Electric power switch with an electronic memory unit for parameters and conversion factors |
07/22/2009 | EP1212821B1 Residual current device sensitive to universal-current |
07/22/2009 | EP1206828B1 Fault tolerant motor drive arrangement with independent phase connections and monitoring system |
07/22/2009 | EP1181760B1 Devices and methods for protection of rechargeable elements |
07/22/2009 | CN201278457Y Computer intelligent complete shut-down protector with over-voltage protection |
07/22/2009 | CN201278456Y Intelligent safety protection electric control apparatus |
07/22/2009 | CN201278455Y Large capacity high voltage current limiting protection apparatus |
07/22/2009 | CN201278454Y Novel current limiting device |
07/22/2009 | CN201278453Y Shared microcontroller embedded electricity resisting chip suitable for multiple kinds of electric appliance |
07/22/2009 | CN101490920A GFCI with self-test and remote annunciation capabilities |
07/22/2009 | CN101488657A Detection and protection apparatus for leakage |
07/22/2009 | CN101488656A Methods for common mode voltage-based AC fault detection, verification and/or identification |
07/22/2009 | CN100517896C Steering circuit for earthing fault breaker |
07/22/2009 | CN100517895C Electrostatic discharge circuit and method therefor |
07/21/2009 | US7565576 Method and apparatus for obtaining trace data of a high speed embedded processor |
07/21/2009 | US7565459 Combination I/O modules in a modular automation controller |
07/21/2009 | US7564668 Overvoltage protection means |
07/21/2009 | US7564667 Electric circuit breaker |
07/21/2009 | US7564666 Shunt protection circuit and method therefor |
07/21/2009 | US7564664 ESD protection circuit for a high frequency circuit |
07/21/2009 | US7564663 Active limiter with integrated sensor |
07/16/2009 | WO2009088500A1 Nonvolatile status indicator switch |
07/16/2009 | US20090182532 Monitoring unit for photovoltaic modules |
07/16/2009 | US20090181487 Method of making microminiature moving device |
07/16/2009 | US20090180229 Over-voltage protection circuit structure and method thereof |
07/16/2009 | US20090180226 Electrical Circuit with Incendive Arc Prevention |
07/16/2009 | US20090180222 Self fault-detection circuit for ground fault circuit interrupter |
07/16/2009 | US20090180221 Ground fault circuit interrupter control circuit |
07/15/2009 | EP2079140A1 Time fuse link current transformer trip system for circuit breaker |
07/15/2009 | EP2078329A2 Current limit control with current limiit detector |
07/15/2009 | EP2078328A1 Residual current device |
07/15/2009 | CN201274405Y Acoustooptic alarming leakage protector |
07/15/2009 | CN201274404Y Electric appliance shared microcontroller embedded chip having multiple kinds of anti-electricity walls |
07/15/2009 | CN101485059A Circuit interrupter with live ground detector |
07/15/2009 | CN101483331A Intelligent electric power converter used for relay protection |
07/15/2009 | CN100514785C Phase control switching device |
07/15/2009 | CN100514784C Digital relay protector |
07/14/2009 | US7562170 Programmable extended compression mask for dynamic trace |
07/14/2009 | US7561402 Gap lightning surface protection of composite structures |
07/14/2009 | US7561395 Voltage control circuit |
07/14/2009 | US7561394 System and method for overvoltage protection |
07/14/2009 | US7561393 Circuit protection system |