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)
11/2012
11/28/2012CN202564919U Electric leakage protection device
11/28/2012CN202564918U Suspended shock-proof electric device
11/28/2012CN202564917U Over-voltage or under-voltage protection module with direct-current power supply
11/28/2012CN202564916U Overpressure protective device of diamond press
11/28/2012CN202564915U Air conditioning fan starting protection circuit used for air conditioning fan interlock control system
11/28/2012CN202564914U Novel overcurrent protection device for voltage transformer
11/28/2012CN202564913U New type timing power-off protector
11/28/2012CN202564912U Emergent power-off device
11/28/2012CN202564911U Detection and control device for preventing band grounding closing
11/28/2012CN202564910U Novel leakage protection circuit
11/28/2012CN202564788U High voltage load switch cabinet with over current control
11/28/2012CN202564110U Rotating handle switch assembly, motive power cutting and supplying control system and motor vehicle
11/28/2012CN202561958U Novel air conditioner power saving protective device
11/28/2012CN1742267B Managing resources for IP networking
11/28/2012CN102804537A System and method for protecting a circuit
11/28/2012CN102804536A High voltage interlock circuit utilizing serial communications
11/28/2012CN102804528A Apparatus For Protecting Direct Current Branch Circuit
11/28/2012CN102804314A Low-frequency breaker
11/28/2012CN102801334A Thickened oil electric thermal recovery heating power supply with fault diagnosis and warning functions
11/28/2012CN102801140A Marine high-power AC-DC (alternating current-direct current) converter based on thyristor
11/28/2012CN102801138A Light-emitting diode (LED) over current protection circuit and light fitting
11/28/2012CN102801137A Light-emitting diode (LED) short circuit protection circuit and light fitting
11/28/2012CN102801136A Surge protection device capable of secondarily tripping
11/28/2012CN102801135A Low-voltage and under-voltage shoot-through over-voltage protective current limiting circuit
11/28/2012CN102801134A Power electronic circuit capable of blocking high voltage and control method thereof
11/28/2012CN102801133A Method and device for automatically recovering power supply
11/28/2012CN102801132A Current selection pass control assembly
11/28/2012CN102801131A Neutral line breaking detection protection method and device
11/28/2012CN102801130A Protection circuit
11/28/2012CN102799257A Power supply protection circuit
11/28/2012CN102074906B Transformer neutral point combination electric equipment
11/28/2012CN101950940B Shot blasting circuit with steel grit flow monitoring
11/28/2012CN101895089B High voltage electriferous display locking device based on fundamental wave and phase
11/28/2012CN101860001B Switch power supply current detection circuit
11/28/2012CN101815378B LED constant current source output short circuit protection circuit
11/28/2012CN101627312B Ac electric quantity measuring device
11/27/2012US8320095 Transformer module with multiple protections
11/27/2012US8320092 Protection circuit and semiconductor device
11/27/2012US8320090 SSPC for parallel arc fault detection in DC power system
11/27/2012US8320089 Apparatus, method, and system for integrating ground fault circuit interrupters in equipment-grounded high voltage systems
11/27/2012US8319499 Coated motor vehicle battery sensor element and method for producing a motor vehicle battery sensor element
11/27/2012US8319466 Modular line-to-ground fault identification
11/27/2012CA2411238C Circuit breaker for detecting an excessive voltage and tripping responsive thereto
11/22/2012WO2012155975A1 System and method for protecting an electrical power grid
11/22/2012US20120293904 Apparatus and method for integrated circuit protection
11/22/2012US20120293902 Over-current protection circuit and electronic device with the same
11/22/2012US20120293901 Protection circuit for central processing unit
11/22/2012US20120293900 Apparatus for and method of protecting wireless-coupled power devices from overvoltage, overcurrent, and overtemperature using hysteresis
11/22/2012US20120293899 Protection circuit
11/22/2012US20120293898 Thermal Cutoff Circuit
11/22/2012US20120293892 Power protection circuit
11/22/2012US20120293009 Apparatus and method of protecting power receiver of wireless power transmission system
11/21/2012EP2524432A1 Device for electric circuit monitoring
11/21/2012EP2524420A1 A rail for inductively powering firearm accessories
11/21/2012EP2524419A2 Redundant module with symmetrical current paths
11/21/2012CN202550895U AC stabilized power supply with over-voltage and under-voltage protection function
11/21/2012CN202550694U CT (current transformer) power taking circuit allowing for reducing heat of CT
11/21/2012CN202550631U USB (Universal Serial Bus) drive-by-wire mobile power supply
11/21/2012CN202550560U Capacitor switching switch with over-current protector
11/21/2012CN202550515U High-power IGBT (insulated gate bipolar transistor) comprehensive overcurrent protection circuit
11/21/2012CN202550504U DC stage difference device having printing function
11/21/2012CN202550497U Split simplex direct-current differential device
11/21/2012CN202550494U Field-effect tube overvoltage protection circuit
11/21/2012CN202550488U Regulated rectifier with failure indicator
11/21/2012CN202550484U Intelligent monitoring and motor protecting device with liquid level control function for electric water pump
11/21/2012CN202550481U Abnormal voltage protection and display circuit and constant speed air conditioner
11/21/2012CN202550478U Electronic control circuit for permanent magnet under-voltage release
11/21/2012CN202550477U Photoelectric type high voltage over-current protector
11/21/2012CN202550476U Comprehensive protective device of coal mine power center
11/21/2012CN202550475U Overvoltage and overcurrent protection circuit for floor module of access system
11/21/2012CN202550474U Air conditioner draught fan interlock circuit for air conditioner draught fan interlocking control system
11/21/2012CN202550473U Automatic power rationing controller for student dormitory
11/21/2012CN202550472U Pulse-by-pulse detection short circuit protective circuit
11/21/2012CN202550471U Two-phase voltage protector
11/21/2012CN202550470U System for safely switching on and off high-voltage circuit
11/21/2012CN202550214U Non-grounded electric leakage protection plug having alarm prompt function
11/21/2012CN202548193U Photoelectric high-voltage current monitoring and overcurrent protector
11/21/2012CN102792539A Method and apparatus for supervisory circuit for ground fault circuit interrupt device
11/21/2012CN102792538A Method and apparatus for supervisory circuit for ground fault circuit interrupt device
11/21/2012CN102790518A Shutoff protective power supply device
11/21/2012CN102790379A Novel fault protection self-repairing circuit
11/21/2012CN102790378A Intelligent motor protector and protection method thereof
11/21/2012CN102790376A Electric leakage, overload and short circuit protection module
11/21/2012CN102790375A Direct current undervoltage release and circuit breaker
11/21/2012CN102790374A Short circuit protection circuit
11/21/2012CN102790373A Over-current protective circuit and electronic device with same
11/21/2012CN102788896A Socket current detection device
11/21/2012CN102785718A Wall-climbing robot control circuit with cut-off double auto-lock function
11/21/2012CN101937812B Earth fault breaker having functions of over-current protection, end-of-life automatic trip and caution
11/21/2012CN101917057B Multi-functional serial voltage-stabilizing power supply
11/21/2012CN101877475B Power supply short-circuit protection circuit
11/21/2012CN101867170B Fibre channel protector test method for simulating system failure and channel abnormal simultaneously
11/21/2012CN101741059B Intelligent electronic leakage protector
11/21/2012CN101515183B Output overvoltage regulating circuit
11/20/2012US8315028 Overcurrent protection apparatus
11/20/2012US8315027 Switch circuit having overcurrent detection function
11/20/2012US8315026 Semiconductor device and apparatus including semiconductor device
11/20/2012US8315025 Circuit arrangement for protection against electrostatic charges and method for dissipation thereof
11/20/2012US8315024 Electrostatic discharge protection circuit, integrated circuit and method of protecting circuitry from an electrostatic discharge voltage
11/20/2012US8315023 Residual-current circuit breaker
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