| 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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| 05/24/2012 | WO2012065224A1 Device and method for providing electrical protection |
| 05/24/2012 | US20120127622 Tank-type lightning arrester |
| 05/24/2012 | US20120127621 Circuit protection apparatus for photovoltaic power generation systems |
| 05/24/2012 | US20120127619 Input power port protection component |
| 05/24/2012 | US20120126635 Electronic device with interface protection function |
| 05/24/2012 | DE102010051874A1 Schaltung zum Schutz gegen Verpolung Circuit for protection against reverse polarity |
| 05/23/2012 | EP2456035A1 Controller, power inverter, photovoltaic power supply system, and method for controlling deactivation of at least one photovoltaic module |
| 05/23/2012 | EP2456034A2 Photovoltaic assembly and photovoltaic module |
| 05/23/2012 | EP2087569B1 Adaptive relaying controlled by autonomous event detection |
| 05/23/2012 | CN202231787U Intelligent image pickup system with self-protecting function |
| 05/23/2012 | CN202231659U Toy lockset direct-current motor driving integrated circuit with temperature protection |
| 05/23/2012 | CN202231639U Solar energy household general-purpose power supply |
| 05/23/2012 | CN202231450U Charge-discharge control circuit of battery of anti-explosion miner light |
| 05/23/2012 | CN202231435U PDU power supply |
| 05/23/2012 | CN202231423U Serial connection type surge suppression overload protection optimized structure |
| 05/23/2012 | CN202231417U Intelligent motor anti-blocking instrument |
| 05/23/2012 | CN202231410U Protection device for automatic test equipment |
| 05/23/2012 | CN202231409U Mining explosion suppression type long distance short circuit protective device |
| 05/23/2012 | CN202231407U System used for guaranteeing high-voltage test safety |
| 05/23/2012 | CN202231406U Earth leakage protection device with earth wire electrified protection function |
| 05/23/2012 | CN202231405U Intelligent leakage protection switch |
| 05/23/2012 | CN202231404U Fibre current differential protection device |
| 05/23/2012 | CN202231403U Closing protection device of permanent magnetism operating mechanism |
| 05/23/2012 | CN202231402U Protection circuit of vacuum circuit breaker in under-voltage and no-voltage states |
| 05/23/2012 | CN202231401U Earth leakage protection device |
| 05/23/2012 | CN202231248U Telephone lighting protection socket |
| 05/23/2012 | CN102474248A 保护并入到汽车中的电子开关、控制电负载的供电的方法 Incorporated into the automobile to protect the electronic switches, the power supply control method for an electric load |
| 05/23/2012 | CN102474097A Device for supplying electrical energy from a plurality of strings of photovoltaic modules to a power grid |
| 05/23/2012 | CN102474093A 保护继电器 Protection Relays |
| 05/23/2012 | CN102474092A 保护控制监视装置 Protection control and monitoring devices |
| 05/23/2012 | CN102472789A Method for detecting arcs in photovoltaic systems and such a photovoltaic system |
| 05/23/2012 | CN102468660A 自动报警电动车充电器 Automatic alarm electric car charger |
| 05/23/2012 | CN102468647A 配电箱的控制装置与控制方法以及配电箱 Control Devices and methods of distribution box and distribution box |
| 05/23/2012 | CN102468644A 一种智能漏电断路器 An intelligent leakage circuit breaker |
| 05/23/2012 | CN102468643A 一种安全用电方法 A safe method of electricity |
| 05/23/2012 | CN101847802B Electric leakage protection plug |
| 05/23/2012 | CN101771260B Mine intrinsic safety electric source interception self-recovery protection device |
| 05/23/2012 | CN101752848B Blocking judging method for excess voltage protection of extra-high voltage line |
| 05/23/2012 | CN101741063B Redundancy sampling calculation-based superposed square-wave voltage type rotor earth-fault protection method |
| 05/23/2012 | CN101663814B Power cutoff device automatically operated upon occurrence of spark on electric wire |
| 05/23/2012 | CN101527414B Power plug with neutral wire leakage protection |
| 05/23/2012 | CN101471555B Safety master |
| 05/23/2012 | CN101375478B Electrical switching apparatus , arc fault or grounding fault circuit breaker and socket |
| 05/23/2012 | CN101340075B Automatic switch control system for three-phase transmission line and electricity power control method thereof |
| 05/23/2012 | CN101326695B A tool for generating fault response tolerances for a switching device |
| 05/22/2012 | US8184421 Power converter |
| 05/22/2012 | US8184420 Control module and fault current limiter with function of opening and closing |
| 05/22/2012 | US8184419 Power supply with current limiting circuits |
| 05/22/2012 | US8184417 Apparatus for fault tolerant analog inputs |
| 05/22/2012 | US8184416 Inverter driver and lamp driver thereof |
| 05/22/2012 | US8184415 ESD-protection device, a semiconductor device and integrated system in a package comprising such a device |
| 05/22/2012 | US8184412 Electric power converter |
| 05/22/2012 | US8183870 Battery system and method for sensing and balancing the charge state of battery cells |
| 05/22/2012 | US8183869 Circuit interrupter with continuous self-testing feature |
| 05/22/2012 | US8183718 Method and device for controlled reclosing of a circuit breaker |
| 05/22/2012 | CA2379009C Trace fuse for a battery termination |
| 05/18/2012 | WO2012064487A2 Thermal memory in a fault powered system |
| 05/18/2012 | WO2012064386A1 Fault interrupting devices and control methods therefor |
| 05/18/2012 | WO2012062045A1 Breaker for preventing voltage loss of null line |
| 05/18/2012 | WO2012007831A3 Circuit breaker with integral meter and wireless communications |
| 05/18/2012 | WO2011020650A3 Circuit assembly for a motor vehicle |
| 05/17/2012 | US20120123762 Thermal Memory In A Fault Powered System |
| 05/17/2012 | US20120120536 Shared memory architecture for protection of electrical distribution equipment |
| 05/17/2012 | US20120120535 Circuit arrangement for a control device |
| 05/17/2012 | US20120120534 Three-Phase Detection Module |
| 05/17/2012 | US20120120530 Ground fault detecting and controlling method for parallel-structured high voltage system |
| 05/16/2012 | EP2313790B1 Protection circuit |
| 05/16/2012 | DE202012001300U1 PE-Überwachende Schutzeinrichtung für ortsveränderliche Stromanschlüsse - Kabeltrommel - PE-monitoring protection device for portable power connectors - Cable Reel - |
| 05/16/2012 | CN202221887U Explosion-proof phase-sensitive short circuit protection feeder switch |
| 05/16/2012 | CN202221886U 220V alternating-current automatic overvoltage power off device |
| 05/16/2012 | CN202221885U Protection device of DC low voltage breaker |
| 05/16/2012 | CN202221440U Special power supply for three-phase intelligent electricity meter |
| 05/16/2012 | CN202219763U Lower-edge driving circuit with secondary turn-off protection capability |
| 05/16/2012 | CN202219735U High-edge driving circuit with secondary turn-off protection capability |
| 05/16/2012 | CN102460951A 同步发电机保护 Synchronous generator protection |
| 05/16/2012 | CN102460881A 负载电路的保护装置 Load circuit protection device |
| 05/16/2012 | CN102460880A 用于多频接地故障电路中断接地中性故障检测的方法和装置 Multi-frequency ground fault circuit interrupter neutral ground fault detection method and apparatus for |
| 05/16/2012 | CN102460879A Methods and apparatus for ground fault circuit interrupt detection using a single transformer |
| 05/16/2012 | CN102460878A 用于光伏系统中过电压保护的系统和方法 PV systems over-voltage protection system and method for |
| 05/16/2012 | CN102457050A 用于具有两个选择性触发的开关的电流分配系统的方法 The method has two switching current distribution system for selective trigger |
| 05/16/2012 | CN102457048A 一种风力发电机组变流器过压保护装置 A wind turbine converter overvoltage protection device |
| 05/16/2012 | CN102457045A 一种电风扇安全保护电路 One kind of fan safety protection circuit |
| 05/16/2012 | CN102457042A 新型漏电检测保护电路 New leakage detection and protection circuit |
| 05/16/2012 | CN102457041A 供电保护电路 Power supply protection circuit |
| 05/16/2012 | CN102457040A 一种配电线路过负荷监控方法及装置 An electrical distribution line overload monitoring method and apparatus |
| 05/16/2012 | CN102455390A 一种相序检测电路、控制板及相序保护装置 A phase-sequence detection circuit, control panels and phase sequence protection device |
| 05/16/2012 | CN101562332B Self-adaptive current fast tripping protection method for distribution network comprising inverse distributed power |
| 05/16/2012 | CN101346863B Protection unit for an ac/dc low-voltage power supply line |
| 05/16/2012 | CN101223681B Leakage detector of vehicle-mounted power supply system and method |
| 05/15/2012 | US8179656 Surge protection circuit for passing DC and RF signals |
| 05/15/2012 | US8179655 Surge protection apparatus and methods |
| 05/15/2012 | US8179654 Surge preventing circuit, local area network connector, and network module |
| 05/15/2012 | US8179653 Multiple operating voltage electrical surge protection apparatus |
| 05/15/2012 | US8179652 Overvoltage protection element |
| 05/15/2012 | US8179649 Protection circuit for control board |
| 05/15/2012 | US8179647 ESD power clamp for high-voltage applications |
| 05/15/2012 | US8179646 Integrated circuit provided with a large area protection against electrostatic discharges |
| 05/15/2012 | US8179147 Method and apparatus for detection and control of dc arc faults |
| 05/15/2012 | US8178999 Controllable change-over apparatus for a solar module |
| 05/15/2012 | CA2453797C Gfci receptacle having blocking means |