| 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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| 01/11/2012 | CN202111454U Power supply voltage regulation and control circuit for X-ray diagnostic machine |
| 01/11/2012 | CN202111453U Current protection control device |
| 01/11/2012 | CN202111452U Electrical safety protection circuit |
| 01/11/2012 | CN202111451U Monitoring module for overloaded power consumption |
| 01/11/2012 | CN202111450U Overcurrent protection circuit and television |
| 01/11/2012 | CN202111449U Low-voltage leakage circuit breaker |
| 01/11/2012 | CN202111321U Wall power socket with over-current protection function |
| 01/11/2012 | CN202110239U Quick monitoring device for insulator flashover |
| 01/11/2012 | CN202110199U Control combination device for test system |
| 01/11/2012 | CN1645703B Intelligent phase demodulating and amplitude discrimination leakage comprehensive protector with big current |
| 01/11/2012 | CN102317625A Device and method for converting thermal energy into electrical energy |
| 01/11/2012 | CN102316649A Lighting system of discharge tube |
| 01/11/2012 | CN102315806A Smooth soft starting device of direct current motor |
| 01/11/2012 | CN102315685A AMS (automatic monitoring system) intelligent control system on basis of two-core bus technology mixed with power supply and communication |
| 01/11/2012 | CN102315638A Filtering control unit of communication direct-current power supply system |
| 01/11/2012 | CN102315635A Overvoltage circuit, and motor starter, overload relay and low-power system including the same |
| 01/11/2012 | CN102315632A Driving circuit for inhibiting over current of IGBT (Insulated Gate Bipolar Transistor) |
| 01/11/2012 | CN102315630A Household cooking device |
| 01/11/2012 | CN102315623A Mining explosion-proof type long-distance short-circuit protecting device |
| 01/11/2012 | CN102315622A Electric power conversion system and electric power conversion device |
| 01/11/2012 | CN102315621A Electric wire connection protecting device with self-checking function |
| 01/11/2012 | CN102315620A Electronic tripper and direct-current circuit breaker provided with same |
| 01/11/2012 | CN102313143A Anti-explosion mine lamp |
| 01/11/2012 | CN101949232B Portable intelligent safety fence |
| 01/11/2012 | CN101728810B Universal combined plastic shell of protector |
| 01/11/2012 | CN101673934B Serial arc-fault circuit interrupter and serial arc-fault protection method thereof |
| 01/11/2012 | CN101471556B Under-voltage protection circuit |
| 01/11/2012 | CN101308972B Novel electric leakage protection socket |
| 01/11/2012 | CN101222100B Creepage protecting socket with life end checking function |
| 01/10/2012 | US8095783 Media boot loader |
| 01/10/2012 | US8094426 Electrical switching apparatus providing coordinated opening with a circuit interrupter and method of operating the same |
| 01/10/2012 | US8094425 Combination current sensor and relay |
| 01/10/2012 | US8094423 Protection circuit for MOSFET |
| 01/10/2012 | US8093763 System and method for limiting current oscillation |
| 01/10/2012 | US8091429 Apparatus and method for high frequency low pressure arc flash sensor |
| 01/10/2012 | CA2554962C High impedance fault detection |
| 01/10/2012 | CA2417698C Reception of protection commands in a remote tripping device |
| 01/10/2012 | CA2335814C Adaptive sampling rate based on power system frequency |
| 01/05/2012 | WO2012001964A1 Current differential relay apparatus |
| 01/05/2012 | WO2012000745A1 Method and apparatus for determining distance to phase-to-earth fault |
| 01/05/2012 | US20120002337 Apparatus and method for electronic circuit protection |
| 01/04/2012 | EP2403090A2 Apparatus for energizing a protective device, and associated method |
| 01/04/2012 | EP2403089A2 Apparatus for indicating a status of an apparatus that energizes a protective device, and associated method |
| 01/04/2012 | EP2403088A2 SSPC for parallel arc fault detection in DC power system |
| 01/04/2012 | EP2402774A1 Method and apparatus for determining distance to phase-to-earth fault |
| 01/04/2012 | CN202103600U Inverter |
| 01/04/2012 | CN202103431U MCR (Magnetically Controlled Reactor)-type static var compensator (SVC) |
| 01/04/2012 | CN202103418U Over-voltage protector for preventing insulated conductor from being broken by lightning strike |
| 01/04/2012 | CN202103417U Lightning protection device for integrated logging instrument |
| 01/04/2012 | CN202103414U Short-circuit self-protection circuit of two-step probe insulated gate bipolar device |
| 01/04/2012 | CN202103404U Electric leakage breaker |
| 01/04/2012 | CN202103403U 630A mining flame-proof vacuum intelligent sub-feed switch |
| 01/04/2012 | CN202103402U Electric leakage circuit breaker |
| 01/04/2012 | CN202103401U Multifunctional solar energy and electric supply protection controller with overvoltage, overcurrent, electric leakage and lightning protection |
| 01/04/2012 | CN202103400U Electronic release for intelligent MCCB |
| 01/04/2012 | CN202103399U Pre-charging system of motor controller |
| 01/04/2012 | CN202103279U Multifunctional power line apparatus |
| 01/04/2012 | CN202103067U Over-voltage prevention solar cell panel |
| 01/04/2012 | CN102306924A Leakage detecting protection circuit capable of periodically automatically detecting function integrity |
| 01/04/2012 | CN101786423B Switching machine protecting circuit of vehicle information system |
| 01/04/2012 | CN101714750B LED protecting chip based on PWM shunt |
| 01/04/2012 | CN101630830B Electrical load switching-off and switching-on control method |
| 01/04/2012 | CN101546670B Zero current disjunction AC vacuum contactor |
| 01/04/2012 | CN101477927B Electricity exception protection circuit applied to circuit breaker |
| 01/04/2012 | CN101404405B Creepage breaker |
| 01/04/2012 | CN101383498B Secondary break self-cast device for voltage mutual inductor |
| 01/04/2012 | CN101124706B Circuit arrangement and method for detecting the state of a circuit protection element |
| 01/03/2012 | US8089744 Apparatus and methods for electrostatic discharge circuitry with snap-back device |
| 01/03/2012 | US8089741 Over-voltage protection device and method for manufacturing thereof |
| 01/03/2012 | US8089740 Clamp unit, and power supply having the same cross-reference to related application |
| 01/03/2012 | US8089739 Electrostatic discharge protection circuit |
| 01/03/2012 | US8089738 GFCI that cannot be reset until wired correctly on line side and power is applied |
| 01/03/2012 | US8089737 Arc fault circuit interrupter and method providing improved nuisance trip rejection |
| 01/03/2012 | US8089735 Hybrid power relay with thermal protection |
| 01/03/2012 | US8089264 Voltage measuring circuit |
| 01/03/2012 | CA2447200C Surge counter/detector apparatus, system and method |
| 01/03/2012 | CA2376906C Only picked up phases recloser control |
| 12/29/2011 | WO2011160550A1 Residual current protection device and circuit breaker using the device |
| 12/29/2011 | US20110317470 Rectification element and method for resistive switching for non volatile memory device |
| 12/29/2011 | US20110317323 Control circuit and electronic device using the same |
| 12/29/2011 | US20110317322 Control circuit with protection circuit for power supply |
| 12/29/2011 | US20110317321 Short circuit protection device and switchgear assembly having such protection devices |
| 12/29/2011 | US20110317320 Controller, controlling method, and solar cell |
| 12/29/2011 | US20110316554 Switching apparatus and test apparatus |
| 12/28/2011 | EP2399328A1 Circuit breaker having detection of the aperiodic current change |
| 12/28/2011 | EP2399327A1 Electrical protection device and control method of the electrical protection device |
| 12/28/2011 | EP1805860B1 Mirror control system |
| 12/28/2011 | CN202095143U 具有检测保护电路的驱动装置 Driving means having a protection circuit detecting |
| 12/28/2011 | CN202094712U 一种自适应无线充电系统 An adaptive wireless charging system |
| 12/28/2011 | CN202094693U 带瞬时断电保护的机车供电装置 Powered locomotive power protection unit with instantaneous |
| 12/28/2011 | CN202094612U Battery management system |
| 12/28/2011 | CN202094609U 电动机缺相、过载保护的改良结构 Improved structure of the motor phase, overload protection |
| 12/28/2011 | CN202094607U 低压电动机保护装置 Low-voltage motor protection devices |
| 12/28/2011 | CN202094603U 脉动直流剩余电流保护器 Pulsating DC residual current protection |
| 12/28/2011 | CN202094602U 适于查询与设置欠压、过压时间的漏电保护器 Suitable for query and set undervoltage, overvoltage time leakage protection |
| 12/28/2011 | CN202094601U 适于设置及查询剩余电流动作值的漏电保护器 Suitable settings and check leakage protection residual current value |
| 12/28/2011 | CN202094600U 适于记录脱扣及合闸次数的漏电保护器 Adapted to record the trip and leakage protection closing times |
| 12/28/2011 | CN202094599U 适于电磁脱扣电路的漏电保护器 Suitable for electromagnetic leakage protection tripping circuit |
| 12/28/2011 | CN202094598U 适于额定电流可调的漏电保护器 Suitable for rated current leakage protection adjustable |
| 12/28/2011 | CN202094597U 一种带电压显示的电压保护器 A tape-voltage protection voltage display |