| 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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| 05/10/2011 | US7940501 System and method to relieve ESD requirements of NMOS transistors |
| 05/10/2011 | US7940499 Multi-pad shared current dissipation with heterogenic current protection structures |
| 05/10/2011 | US7940498 Circuit interrupting device with high voltage surge protection |
| 05/05/2011 | WO2011050832A1 An hvdc breaker and control apparatus for controlling an hvdc breaker |
| 05/05/2011 | WO2011030206A3 Electrical power management device |
| 05/05/2011 | US20110102958 Electrical load center |
| 05/05/2011 | US20110102956 Load driving device |
| 05/05/2011 | US20110102953 GFCI that cannot be reset until wired correctly on line side and power is applied |
| 05/05/2011 | US20110101793 Voice Control Energy-Saving Power Socket |
| 05/05/2011 | DE102010004395A1 Switch arrangement for protecting photovoltaic system, has switch device forming bypass to activate protection device lying in flow direction of short circuit current during activation drop of protection device |
| 05/04/2011 | EP2315684A1 Method for controlling and/or monitoring functions |
| 05/04/2011 | CN201821562U Low-voltage fluorescent lamp |
| 05/04/2011 | CN201821257U Power supply controller of safe and energy-saving mobile device |
| 05/04/2011 | CN201821255U 可控硅调功器 SCR Power Regulator |
| 05/04/2011 | CN201821159U Power line breakage protection and alarm system |
| 05/04/2011 | CN201821145U Non-contact output control protection circuit of electric vehicle charging machine |
| 05/04/2011 | CN201821084U Uninterrupted power supply (UPS) bypass reverse protection circuit |
| 05/04/2011 | CN201821081U Integrated alarm circuit breaker of explosionproof locomotive |
| 05/04/2011 | CN201821080U Leakage protection plug bush of sound-light warning permanent-magnet switch lack of ground wire and the like |
| 05/04/2011 | CN201821079U Load protective circuit for TDA (Tunnel Diode Amplifier) 89XX series power amplifiers |
| 05/04/2011 | CN201821078U Over/under-voltage protection circuit for solar direct-current power supply |
| 05/04/2011 | CN201821077U Overcurrent protection circuit |
| 05/04/2011 | CN201821076U Tripping control module for outdoor pole-mounted breaker |
| 05/04/2011 | CN201820101U Direct-current relay protection device |
| 05/04/2011 | CN102047518A Method and system for the differential protection of an electrical link in a medium-voltage, high-voltage or very high-voltage network |
| 05/04/2011 | CN102047353A Surge arrester comprising an integrated protection device |
| 05/04/2011 | CN102046428A Switch module for a power supply network and power supply network comprising at least one switch module |
| 05/04/2011 | CN102045911A Light source regulation circuit for alternating current light-emitting diode |
| 05/04/2011 | CN102045047A Semiconductor device |
| 05/04/2011 | CN102044863A Electrical switching apparatus including a plurality of rogowski coils and method of calibrating the same |
| 05/04/2011 | CN102044861A Three-phase electricity detection and protection circuit of ecological house |
| 05/04/2011 | CN102044860A Improved tri-mode over-voltage protection and disconnect circuit apparatus and method |
| 05/04/2011 | CN102044859A Vehicle part and vehicle comprising such part |
| 05/04/2011 | CN102044858A Multifunctional controller |
| 05/04/2011 | CN102044381A Precision tripping device |
| 05/04/2011 | CN101582354B Electromagnetic short current protective device for breaker |
| 05/04/2011 | CN101550906B DC electric machine variable pitch system and control method thereof |
| 05/04/2011 | CN101521368B DC protection system combined with DC bus voltage |
| 05/04/2011 | CN101320907B Protective relay system |
| 05/04/2011 | CN101237143B A current differential protection judgement method applicable to multi-end power input line |
| 05/04/2011 | CN101227078B Overcurrent protection circuit of frequency control motor |
| 05/03/2011 | US7936546 Apparatus and method for classifying a powered device (PD) in a power source equipment (PSE) controller |
| 05/03/2011 | US7936543 Systems and methods for testing ground fault detection circuitry |
| 05/03/2011 | US7936542 Electronic ground detection apparatus for use on ground detector ring of power generating system |
| 04/28/2011 | WO2011047525A1 Anti-disconnection breaker |
| 04/28/2011 | US20110098899 Protective Arrangement for the Protection of Safety-Relevant Electronic Circuits from Malfunctions |
| 04/28/2011 | US20110096450 Combination current sensor and relay |
| 04/28/2011 | US20110096449 Substrate for a Display Device and Method of Manufacturing the Same |
| 04/28/2011 | US20110096444 Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault condition |
| 04/27/2011 | EP2315341A1 Voltage converter, power supply and method for operating a voltage converter |
| 04/27/2011 | EP2313954A1 Method for operating a fault-current circuit breaker, and fault-current circuit breaker |
| 04/27/2011 | EP2313953A1 Fault-current detection device |
| 04/27/2011 | EP2313952A1 Electric system |
| 04/27/2011 | EP2313790A1 Protection circuit |
| 04/27/2011 | CN201813584U Improved light control LED circuit |
| 04/27/2011 | CN201813205U Special double-power phase sequence automatic error-correcting and alarming device for fire protection |
| 04/27/2011 | CN201813193U Wind and photovoltaic hybrid control system |
| 04/27/2011 | CN201813173U Rechargeable solar mobile power supply |
| 04/27/2011 | CN201813160U Direct-current power distribution box |
| 04/27/2011 | CN201813151U Pressing plate protective cover on transmission line |
| 04/27/2011 | CN201813148U Low-voltage DC power port protector |
| 04/27/2011 | CN201813147U Short circuit protection circuit of switching power |
| 04/27/2011 | CN201813145U Leakage protection grounding device for electronic therapeutic massage foot bath basin |
| 04/27/2011 | CN201813142U Full-electronic open-phase protection controller |
| 04/27/2011 | CN201813141U Overvoltage protection circuit |
| 04/27/2011 | CN201813140U Voltage control circuit based on field-effect transistor |
| 04/27/2011 | CN201813139U Commercial power overvoltage automatic power-off protection device |
| 04/27/2011 | CN201813138U Over-current protection circuit |
| 04/27/2011 | CN201813031U Protection type plug board |
| 04/27/2011 | CN201812354U Coupled isolation alarm equipment |
| 04/27/2011 | CN102035192A Uninterrupted power supply control signal interlocking protection circuit |
| 04/27/2011 | CN102035191A Igbt module over-temperature protection circuit |
| 04/27/2011 | CN102035190A Over-current protection circuit |
| 04/27/2011 | CN102035183A Protection circuit for switching power supply |
| 04/27/2011 | CN102035175A Over-temperature and over-current double protection element and manufacturing method thereof |
| 04/27/2011 | CN102035173A Single phase earthed relay protection device |
| 04/27/2011 | CN102035172A Injection leakage protection method |
| 04/27/2011 | CN102035171A Circuit breaker for preventing voltage loss of zero line |
| 04/27/2011 | CN102035170A PFC output overvoltage protection circuit |
| 04/27/2011 | CN102035169A Input overvoltage protection circuit and DC-DC power supply conversion device |
| 04/27/2011 | CN102035168A Overcurrent protection circuit and in-vehicle display device |
| 04/27/2011 | CN102035167A Arc extinguishing electric fireproof short circuit protector |
| 04/27/2011 | CN102035166A System and method for negative voltage protection |
| 04/27/2011 | CN102035165A System and method for providing short-circuit protection |
| 04/27/2011 | CN102035164A Shock hazard prompter |
| 04/27/2011 | CN102033566A Bipolar NPN type band-gap reference voltage circuit |
| 04/27/2011 | CN102033565A 电压基准电路 Voltage reference circuit |
| 04/27/2011 | CN102029914A Electric automobile high-voltage safety device and control method |
| 04/27/2011 | CN101582353B Electromagnetic short current protective mechanism for breaker |
| 04/27/2011 | CN101505053B Power line protection method based on user boundary circuit breaker devices |
| 04/27/2011 | CN101478146B Digital transforming plant protecting controlling method and multifunctional protection controller |
| 04/27/2011 | CN101394075B Controller of low-voltage intelligent circuit breaker having on-line calibration function |
| 04/27/2011 | CN101383497B Electric safety press-key control apparatus |
| 04/26/2011 | US7933107 Electrostatic discharge protection circuit device |
| 04/26/2011 | US7933105 Switching element driving device and switching element driving method |
| 04/26/2011 | US7933104 Safety switching apparatus for a failsafe disconnection of an electrical load |
| 04/26/2011 | US7933103 Overcurrent detection device |
| 04/26/2011 | CA2273553C Arc fault detector comparing integrated interval to interval filtered load current and circuit breaker incorporating same |
| 04/21/2011 | WO2011044749A1 Precise tripper |
| 04/21/2011 | WO2010121181A4 System and method for over-voltage protection in a photovoltaic system |