| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 05/21/2014 | CN203607843U 一种静电放电保护电路 An electrostatic discharge protection circuit |
| 05/21/2014 | CN203607334U 接触器控制与保护模块 Contactor control and protection module |
| 05/21/2014 | CN103812080A 直流分励脱扣器控制电路 DC shunt release control circuit |
| 05/21/2014 | CN103812079A 用于监视剩余电流保护装置的测试间隔的方法和装置 Method and apparatus for testing residual current protection device for monitoring interval |
| 05/21/2014 | CN101958526B 使用滤波陷波电路以提供电弧故障脱扣协调的配电系统和电气开关设备 Using a notch filter to provide an arc fault trip circuit of the power distribution system and the coordination of the electrical switching apparatus |
| 05/20/2014 | US8730640 DC pass RF protector having a surge suppression module |
| 05/20/2014 | US8730639 Overvoltage protection for remote radio head-based wireless communication systems |
| 05/20/2014 | CA2625772C Arc fault circuit interrupter and method for disabling series arc protection during current transients |
| 05/14/2014 | EP2729821A1 Method and system for detecting an arc fault in a photovoltaic power system |
| 05/08/2014 | WO2014032631A3 Design of the triggering circuit of the overvoltage protection |
| 05/07/2014 | EP2728693A1 Current differential protection |
| 05/06/2014 | US8718830 Optimized protection coordination of electronic-trip circuit breaker by short circuit current availability monitoring |
| 05/06/2014 | US8717120 Multi-layered component |
| 04/30/2014 | EP2725672A1 Communication without dedicated wiring from a monitored circuit for actuating an upstream switch |
| 04/30/2014 | EP2725367A1 Method and device for monitoring partial discharges |
| 04/30/2014 | CN102077435B Method for selectively triggering circuit breakers in the event of a short circuit |
| 04/29/2014 | CA2341552C Circuit interrupting system with independent trip and reset lockout |
| 04/24/2014 | WO2014062397A1 Full-duplex signaling for arc event protection |
| 04/23/2014 | EP2721702A1 Method and device for protection zone selection in a multiple busbar arrangement |
| 04/23/2014 | CN203562843U Self-powered protective device based on current induction power source |
| 04/22/2014 | US8705221 Surge arrester having an optical fault indicator |
| 04/22/2014 | US8705220 Surge arrester and gas-insulated electric apparatus |
| 04/17/2014 | WO2014057017A1 Line network, in particular an on-board dc electrical system for a motor vehicle, and method for monitoring a line network for the occurrence of an arc |
| 04/17/2014 | US20140104735 Electric network protection |
| 04/17/2014 | US20140104731 Arc fault detector with circuit interrupter |
| 04/16/2014 | EP2719043A1 Fault identification and location in a power supply line which is fed from one side |
| 04/16/2014 | CN203553878U Analog quantity collecting bipolar input circuit for microcomputer protective device |
| 04/16/2014 | CN103733457A Adaptive light detection for arc mitigation systems |
| 04/16/2014 | CN102027381B Method, device and computer program for determining at least one feature of current |
| 04/15/2014 | US8699198 Compact transient voltage surge suppression device |
| 04/15/2014 | US8699197 Compact transient voltage surge suppression device |
| 04/10/2014 | WO2014055042A1 Wireless and batteryless module for detecting operating mode of electric devices |
| 04/10/2014 | US20140098444 Stall delay attachment |
| 04/09/2014 | EP2715898A1 Residual-current protection for electric tools |
| 04/09/2014 | CN203536925U Strap recessive defect monitoring device having relay protection function for power system |
| 04/09/2014 | CN203535426U Combination relay based on microprocessor |
| 04/09/2014 | CN102496901B Dual-CPU control system for circuit breaker operation circuit and control method thereof |
| 04/08/2014 | CA2752391C Systems and methods for protection of components in electrical power delivery systems |
| 04/03/2014 | WO2014051827A1 Direct current arc fault detector and circuit interrupter, and method of detecting an arc in a direct current power circuit |
| 04/03/2014 | US20140092513 Overvoltage protector |
| 04/03/2014 | US20140092500 Ground loss monitoring circuit and integrated circuit comprising the same |
| 04/02/2014 | CN103699460A Station domain protection function migration method |
| 04/01/2014 | US8687342 Method of surface charge distribution |
| 04/01/2014 | US8687340 Actuation and protection utilizing active material activation during lightning strikes and similar events |
| 04/01/2014 | US8687329 Anti-lightning protection for telephone connection |
| 03/27/2014 | WO2014044736A1 Switching apparatus with antenna connection for wireless communication |
| 03/27/2014 | US20140085757 Surge blocking inductor |
| 03/26/2014 | EP2710388A1 Method and system for detecting an arc fault in a power circuit |
| 03/26/2014 | CN203504129U Component for determining breaker switching on/off signal generation |
| 03/26/2014 | CN103688434A Fault identification and location in a power supply line which is fed from one side |
| 03/25/2014 | US8681470 Active ionization control with interleaved sampling and neutralization |
| 03/25/2014 | US8681469 Circuit protection device for use in medium and high voltage environments |
| 03/25/2014 | US8681467 Surge protection apparatus and method using the same |
| 03/25/2014 | US8681465 Amplification relay device of electromagnetic wave and a radio electric power conversion apparatus using the device |
| 03/25/2014 | US8681464 Voltage suppressor component |
| 03/25/2014 | CA2354679C Temperature compensation circuit for an arc fault current interrupting circuit breaker |
| 03/20/2014 | WO2014042941A1 Zone selective interlocking for optical flash detection suppression |
| 03/20/2014 | WO2014040620A1 Detection of high impedance faults |
| 03/20/2014 | WO2013143704A3 Detection of cracks in components by applying a voltage to the component and detecting the electromagnetic fracto-emissions during crack formation or detecting the electromagnetic waves that are emitted by the discharges caused by the cracks |
| 03/20/2014 | US20140077775 Digitally controlled power supply having failure detection function |
| 03/19/2014 | CN203491658U Circuit measurement and control protection device |
| 03/19/2014 | CN103650070A Conductive polymer fuse |
| 03/19/2014 | CN101911240B Residual current protection switch |
| 03/18/2014 | US8675329 Protective device with metering and oscillography |
| 03/18/2014 | CA2550997C Arc fault detector |
| 03/13/2014 | US20140071563 Monitoring system for and method of preventing electrical arcs in a solar energy system |
| 03/12/2014 | EP2706640A1 Power management and distribution with auxiliary DC bus |
| 03/12/2014 | EP2706636A1 Arc fault detector, electrical device having the arc fault detector, and method of controlling the electrical device |
| 03/12/2014 | CN203481775U Power-system integration digital protective device for ship |
| 03/12/2014 | CN103633637A Electrostatic discharge protection circuit and protection method |
| 03/12/2014 | CN103633612A Vacuum circuit breaker |
| 03/12/2014 | CN102377163B Electronic tripping device with function of monitoring tripping power source |
| 03/12/2014 | CN102067400B Fault current circuit breaker |
| 03/11/2014 | US8670221 Terminal block for surge protection having integral disconnect |
| 03/06/2014 | WO2014032688A1 Embedded ethernet tunneling |
| 03/06/2014 | WO2014032650A1 Method and device for detecting arcs |
| 03/06/2014 | US20140063673 Protective device for lc filter |
| 03/05/2014 | CN103620900A Method and device for protection zone selection in a multiple busbar arrangement |
| 03/04/2014 | US8665577 Safe area voltage regulator |
| 03/04/2014 | US8665571 Apparatus and method for integrated circuit protection |
| 02/27/2014 | WO2014031262A1 Arc detection with avoidance of nuisance activation through light subtraction |
| 02/27/2014 | WO2014031261A1 Circuit breaker signaling system for control of an arc fault detection system |
| 02/27/2014 | US20140055899 Electronic protection device, method for operating an electronic protection device, and use thereof |
| 02/26/2014 | EP2700135A1 Circuit assembly for an alternating current contactor, motor protection relay and method for producing a power supply unit |
| 02/25/2014 | US8659866 Compact transient voltage surge suppression device |
| 02/19/2014 | EP2697880A1 Method for generating a fault signal |
| 02/19/2014 | EP2697878A1 Method and protective device for recognising a symmetrical short-circuit in a multi-phase electrical power supply network |
| 02/19/2014 | CN203445697U PXIe-based intelligent apparatus meeting requirement of intelligent power grid spacing layer |
| 02/19/2014 | CN203445588U PXI-e-based relay protection controller configurated with intelligent power grid communication protocol |
| 02/19/2014 | CN103597363A Method and system for detecting an arc fault in a photovoltaic power system |
| 02/19/2014 | CN103595023A Default-phase-preventing, overvoltage-preventing and interference-preventing automatic protector of motor and protection method thereof |
| 02/12/2014 | EP2696460A1 Switchgear including a circuit breaker having a trip unit with an interface to a number of arc fault sensors |
| 02/12/2014 | EP2695170A2 Conductive polymer fuse |
| 02/12/2014 | EP2694990A1 An apparatus for testing an arc fault detector |
| 02/12/2014 | CN103579988A System for protecting a plurality of electrical outlets against short circuits, and electrical facility comprising such a protective system |
| 02/11/2014 | US8649149 Dual level surge protector circuit for telecommunication line |
| 02/11/2014 | US8649148 Polarized lightning arrestors |
| 02/06/2014 | WO2014019623A1 A power supply and measuring device for an intelligent electronic device |
| 02/05/2014 | EP2693585A1 System for protecting a plurality of electrical outlets against short circuits, and electrical facility comprising such a protective system |
| 02/05/2014 | CN103560476A Anti-interference electricity module in bypass mode and control method of anti-interference electricity module |