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