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)
05/2013
05/01/2013CN202917947U Electric leakage circuit breaker
05/01/2013CN202917946U Under-voltage protection circuit with return difference
05/01/2013CN202917945U Power strip with undervoltage, overvoltage, overcurrent protection function
05/01/2013CN202917944U Insurance isolator
05/01/2013CN202917943U Over/under-voltage protection device
05/01/2013CN202917942U Surge protection device (SPD) dedicated security device
05/01/2013CN202917941U Short-circuit protection device with warning function
05/01/2013CN202917940U Short-circuit protection device
05/01/2013CN202917939U Short circuit protection circuit
05/01/2013CN202917938U Voltage shock preventing system
05/01/2013CN103081268A 接地装置 Grounding device
05/01/2013CN103081267A Apparatus for use in estimating a fault level in a network providing an electrical power supply to consumers
05/01/2013CN103078384A Uninterruptible power supply
05/01/2013CN103078301A Override trip protection system and method for coal mine power network
05/01/2013CN103078294A Overcurrent protection circuit for controller of brushless direct current motor
05/01/2013CN103078292A Intelligent malignant load recognition control system
05/01/2013CN103078291A Intelligent residual current leakage sudden-change protection method
05/01/2013CN103078290A Method and apparatus for undervoltage protection of service board card
05/01/2013CN103078289A Parallel multi-end direct-current power transmission line traveling-wave protection setting value setting method
05/01/2013CN102025123B Elevator control cabinet phase loss detection circuit
05/01/2013CN101902033B Intelligent protection device with zero pressure drop
05/01/2013CN101895091B Device and method for overpower protection of mobile communication equipment
05/01/2013CN101888082B Residual current protector
05/01/2013CN101622764B Apparatus for monitoring discharge processes in a conductor of a medium-voltage or high-voltage system
05/01/2013CN101388537B Method of fabricating case, piezoelectric oscillator, oscillator, electronic appliance, and radio clock
04/2013
04/30/2013US8432657 Protection apparatus of load circuit
04/30/2013US8432656 Method for feedback control and related feedback control loop and voltage regulator
04/30/2013US8432655 Power management arrangement and method in a utility meter
04/30/2013US8432651 Apparatus and method for electronic systems reliability
04/30/2013US8432107 Backlight module, over-temperature protection circuit and over-temperature protection method thereof
04/30/2013CA2567071C Pluggable surge protector
04/25/2013WO2013058782A1 Systems and methods for counteracting overvoltage events
04/25/2013WO2013056294A1 Protective circuit for an electrically floating photovoltaic array
04/25/2013US20130100710 Active surge protection in a power supply
04/25/2013US20130100569 Electronic overcurrent release for circuit breakers
04/25/2013US20130100566 Power supply device
04/25/2013US20130100565 Protection circuit for hard disk
04/25/2013US20130100564 Inter-area oscillation detection
04/25/2013US20130100563 Safety component by fuse at high voltage battery sensing line
04/25/2013US20130100560 Power plug with leakage current protection
04/24/2013CN202906451U Low-voltage distribution system with electrical leakage protection apparatus
04/24/2013CN202906445U Energy supply device for monitoring system
04/24/2013CN202906440U Reclosing device with power factor monitoring function
04/24/2013CN202906439U Drive circuit earth leakage protection circuit used for road traffic signal controller
04/24/2013CN202906438U Novel leakage protective circuit
04/24/2013CN202906437U Input undervoltage protection circuit
04/24/2013CN202906436U Overvoltage automatic power off protector
04/24/2013CN202906435U Overcurrent protection circuit
04/24/2013CN202906434U Lithium battery production line circuit automatic protective device
04/24/2013CN202906433U Control and protective switching device
04/24/2013CN202906432U Overload protection electronic chip device
04/24/2013CN202906431U Power supply equipment
04/24/2013CN202906430U Current foldback circuit
04/24/2013CN202906429U Wire harness overload automation protection device
04/24/2013CN202906428U Reclosing circuit for control and protective switch controller
04/24/2013CN202906427U Control panel of reclosing device
04/24/2013CN202906426U Reclosing device powered by three-phase voltage
04/24/2013CN202906425U Reclosing device with two digital tubes for cycle display
04/24/2013CN202906424U Self-power-generating reclosing controller
04/24/2013CN202906133U Leakage protective socket
04/24/2013CN202905642U Lightning protection leakage circuit breaker
04/24/2013CN103069526A Circuit breaker phase control switching system and circuit breaker control unit
04/24/2013CN103069287A Method and device for parasitic current detection
04/24/2013CN103066579A Grid fault measuring and control device
04/24/2013CN103066574A Over-voltage protection (OVP) protection line of multiple groups of voltage
04/24/2013CN103066571A Overload protection method and device of combination switch
04/24/2013CN103066564A Water pump automatic power-off protective method and water pump automatic power-off protective device
04/24/2013CN103066560A Method of improving current protection performance under connection mode of short tandem looping-in multi-level cascade
04/24/2013CN103066559A Power outage protector
04/24/2013CN103066558A Lightning protection isolator of internet of things
04/24/2013CN103066557A Modular multi-level flexible direct current system direct current fault overvoltage restraining method
04/24/2013CN103066556A Overvoltage protection method of high-voltage direct current system
04/24/2013CN103066555A Method for cutting off electric arc, method and device for protecting installation against voltage surges
04/24/2013CN103066554A Single-phase source leakage detection circuit for isolated neutral system
04/24/2013CN103066553A Portable quiescent temporary protecting device and application method
04/24/2013CN103066552A Control method for avoiding false switching-on of breaker and circuit thereof
04/24/2013CN103066551A Fault protective system for short-circuit current testing apparatus
04/24/2013CN103066550A Method and device of low voltage switch decompression reclosure control power transmission detection
04/24/2013CN103066549A A relay with an intermediate alert mechanism
04/24/2013CN102324665B Multifunctional power wire device
04/24/2013CN102185376B Intelligent wireless remote-controlled power switch device
04/24/2013CN101964516B Three-phase four-wire system zero-line failure and open-phase intelligent protector
04/24/2013CN101963835B Electronic equipment and method for dynamically allocating USB port power
04/24/2013CN101926069B Control unit and residual current protection switch
04/24/2013CN101873001B Power supply management control device with reset latch protection function
04/24/2013CN101573847B Systems and methods for arc fault detection
04/23/2013US8427804 Power amplifier
04/23/2013US8427803 Current transformer with integrated actuator
04/23/2013US8427802 Input overvoltage protection circuit with soft-start function
04/23/2013US8427801 Rectifier circuit
04/23/2013US8427799 ESD clamp for multi-bonded pins
04/23/2013US8427797 ESD networks for solder bump integrated circuits
04/23/2013US8427794 Multi-pole arc-fault circuit interrupter
04/23/2013US8427792 Method and system to enhance reliability of switch array
04/18/2013WO2013055561A1 System and integrated method for arc fault detection and interruption
04/18/2013WO2013054423A1 Protective control device
04/18/2013WO2013054419A1 Protective control device
04/18/2013US20130094114 Control apparatus for switching device
04/18/2013US20130093326 Device and method for detecting a short-circuit during a start-up routine
04/18/2013DE102012004577A1 Überspannungsschutzvorrichtung für elektronische Baugruppen A surge protection device for electronic components
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