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