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)
10/2013
10/29/2013US8570701 Rackmount I/O signal protector assembly for surge protection
10/29/2013US8570699 Relayless and fuseless junction box
10/29/2013US8570698 ESD protection for FinFETs
10/29/2013US8570697 Appartus and method for protecting signal and communication lines from very high voltage and transient pulses
10/29/2013US8570696 Protection circuit for hard disk
10/29/2013US8570695 Battery system
10/29/2013US8570694 Low voltage electrostatic discharge protection
10/29/2013US8570693 Compensating for an electrostatic discharge capacitance load
10/29/2013US8570181 Method and apparatus for supervisory circuit for ground fault circuit interrupt device
10/24/2013WO2013156080A1 Device for protecting a user
10/24/2013US20130279055 Methods, systems and apparatus for determining whether an accessory includes particular circuitry
10/24/2013US20130279054 Overvoltage protection method using exposed device supply rail
10/24/2013US20130279053 Protection circuit
10/24/2013US20130279050 Methods and appratus for ground fault circuit interrupt detection using a single transformer
10/24/2013US20130278082 Communication Device and Electrical Panel Having Such a Device
10/24/2013US20130278078 Method, circuit breaker and switching unit for switching off high-voltage dc currents
10/24/2013DE102012103551A1 Electronic safety device e.g. electronic fuse, for use between source and e.g. touch display, to interrupt current flow during short circuit, has switch unit closed if difference between output voltages exceeds voltage threshold value
10/23/2013EP2654156A1 Fault protection system for a power system of dynamically positioned vessel
10/23/2013EP2654154A2 Power management and distribution system having a fault detection and isolation assembly and method
10/23/2013EP2624397A9 Method and apparatus for determining direction of fault
10/23/2013CN203251136U Vehicle-mounted integrated power supply
10/23/2013CN203251089U Overvoltage protector wiring structure
10/23/2013CN203251076U Anti-PID circuit and monitoring device thereof
10/23/2013CN203251075U Automatic detection and power-off device for machine tool power supply
10/23/2013CN203251074U Three-phase load multifunctional protector
10/23/2013CN203251073U Novel discharge tube and piezoresistor series-wound lightning protection release
10/23/2013CN203251072U Intelligent residual current action protector
10/23/2013CN203251071U Energy-saving circuit of electromechanical device
10/23/2013CN203251070U 电路保护装置 Circuit protection device
10/23/2013CN203251069U A damage-type automatic circuit closer
10/23/2013CN203251068U A current overload alarm circuit
10/23/2013CN203251067U Circuit breaker controller
10/23/2013CN203251066U Cigarette maker unit paper cutting drum heating circuit protective device
10/23/2013CN203250916U Fireproof anti-overload power strip
10/23/2013CN103370762A DIP switch change detection in a self powered relay
10/23/2013CN103370760A Method, circuit breaker and switching unit for switching off high-voltage DC currents
10/23/2013CN103370630A Ground fault detection circuit
10/23/2013CN103368426A Photovoltaic inverter with open-circuit voltage protection function
10/23/2013CN103368420A Test power source for large-power microwave device
10/23/2013CN103368212A Voltage limiting charging circuit
10/23/2013CN103368157A 浪涌保护装置 Surge protection devices
10/23/2013CN103368156A Modularized saturation iron core superconductive current limiter and control method thereof
10/23/2013CN103368144A Overvoltage protection circuit
10/23/2013CN103368139A 变压器保护电路 Transformer protection circuit
10/23/2013CN103368137A Multi-terminal self-repairing data synchronization differential protection method based on network self-repairing
10/23/2013CN103368134A Method for achieving maximum output power of intrinsic safety associated apparatus
10/23/2013CN103368133A Earth leakage protection breaker capable of inter-phase line low current fault protection
10/23/2013CN103368132A Electricity leakage protection device for base station
10/23/2013CN103368131A Energy-saving device for over-voltage protection
10/23/2013CN103368130A Base station overvoltage and undervoltage protection device
10/23/2013CN103368129A Overvoltage protection circuit and electronic device with same
10/23/2013CN103368128A Ground fault protection device for locomotive auxiliary power system and electric locomotive
10/23/2013CN103368127A Over-current protection device for base station
10/23/2013CN103364688A Three-jack socket electric leakage detection circuit
10/23/2013CN102545357B Fully automatic stop charger
10/23/2013CN102033566B Bipolar NPN type band-gap reference voltage circuit
10/22/2013US8564922 System and method for protecting telecommunications device from power faults
10/22/2013US8564920 Smart breaker and related system and method for protecting electrical devices from fault conditions
10/22/2013US8564919 Dimmer circuit with overcurrent detection
10/22/2013US8564918 Pass gate off isolation
10/22/2013US8564916 Photovoltaic array ground fault detection method for utility-scale grounded solar electric power generating systems
10/22/2013US8564915 Methods, systems, and apparatus for detecting arc flash events using light and time discrimination
10/22/2013US8564914 Fault clearing without a DC backup power source
10/22/2013US8564913 Driving device for semiconductor element
10/22/2013US8564307 Arc fault detector with circuit interrupter
10/22/2013US8564237 Seal leakage and seal oil contamination detection in generator
10/22/2013CA2719587C Device, system and method for automatic self-test for a ground fault interrupter
10/22/2013CA2620457C Circuit interrupting device with automatic test
10/17/2013WO2013155356A1 Neutral grounding resistor monitor
10/17/2013WO2013152799A1 Passive resonance dc circuit breaker
10/17/2013WO2013060604A3 Inverter with bridgeable reverse current protection device
10/17/2013US20130271889 Commonly-poled piezoelectric device
10/17/2013US20130271888 Photovoltaic System and Apparatus for Operating a Photovoltaic System
10/17/2013US20130271887 Protective circuit for loads
10/17/2013US20130271886 Method, device, and system for monitoring current provided to a load
10/17/2013US20130271885 Power supply device for plasma processing
10/17/2013US20130271884 Power management and distribution system having a fault detection and isolation assembly and method
10/17/2013US20130271876 Switching control circuit and switching power supply apparatus
10/17/2013US20130270902 Fault Protection System For A Power System Of Dynamically Positioned Vessel
10/16/2013EP2650995A1 Method, device, and system for monitoring current provided to a load
10/16/2013EP2650919A2 Tunable capacitor
10/16/2013CN203243065U Solar controller drive circuit with short-circuit protection
10/16/2013CN203243031U Short circuit protection system for preventing human body from getting electric shock mistakenly
10/16/2013CN203243024U Multifunctional single-phase socket
10/16/2013CN203243023U Leakage alarm and protection circuit
10/16/2013CN203243022U Multifunctional protective and energy-saving switch of electric appliance
10/16/2013CN203243021U An electric connecting wire protection apparatus
10/16/2013CN203243020U Three-phase imbalance circuit breaker
10/16/2013CN203243019U Power-off protector
10/16/2013CN203243018U Low-power-consumption digital-type over-voltage protector
10/16/2013CN203243017U Safety protection circuit of direct current remote power supply system
10/16/2013CN203243016U 电子式定时电源控制器 Electronic timing Power Controller
10/16/2013CN103354967A A protection relay for sensitive earth fault protection
10/16/2013CN103354350A Voltage protection method for single lithium battery
10/16/2013CN103354346A Motor dual protection belt alarm automation control device
10/16/2013CN103353570A Method and system for identifying arc fault based on load terminal voltage detection
10/16/2013CN102324718B Power leakage protector
10/16/2013CN102137534B Virtual ground type high-voltage constant-current circuit
10/16/2013CN102082412B Gear motor
10/16/2013CN101925974B Fault current circuit breaker and method for carrying out self-test of fault current circuit breaker
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