Patents
Patents for H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current (5,042)
07/2012
07/05/2012US20120169059 Method and device for monitoring the state of a network
07/04/2012EP2471085A1 Electrically assisted safing of a linear actuator to provide shock tolerance
07/04/2012CN202308421U 插头式漏电断路器 Plug leakage circuit breakers
07/04/2012CN202307752U 漏电保护装置和断路器 Leakage protection devices and circuit breakers
07/04/2012CN202307751U 漏电保护装置和断路器 Leakage protection devices and circuit breakers
07/04/2012CN202307750U 漏电断路器 Leakage circuit breakers
07/04/2012CN202307726U 带有漏电保护功能的断路器 Breaker with leakage protection function
07/04/2012CN102543611A Electrical protection device comprising the differential protection function
07/04/2012CN102543610A Earth leakage circuit breaker
07/04/2012CN102543609A Leakage circuit breaker for distribution board and distribution board system
07/04/2012CN102543601A Intelligent operation device with automatic closing and time delay shunt trip functions and miniature circuit breaker thereof
07/04/2012CN101282035B Residual current devices
07/04/2012CN101211728B Earth leakage circuit breaker
07/03/2012US8213144 Circuit protection system
07/03/2012CA2558297C Electrical wiring devices with a protective shutter
06/2012
06/28/2012WO2012086498A1 Switch
06/27/2012EP2469674A1 Protective device for electrical installations
06/27/2012EP2469573A2 Trip device of circuit breaker
06/26/2012US8206861 Intermediate circuit with a first switch for switching a fuel cell stack and second switch for short-circuting the fuel stack, fuel cell system with an intermediate circuit, and method for controlling the intermediate circuit
06/21/2012WO2012080393A1 Electromagnetic actuator with under voltage release
06/21/2012CA2821633A1 Electromagnetic actuator with under voltage release
06/20/2012EP2466611A1 Electrical protection device comprising the differential protection function
06/20/2012EP2466610A1 Circuit breaker
06/20/2012EP2466599A1 Electromagnetic actuator with under voltage release
06/20/2012CN202282310U 电涌保护器的脱扣机构和电涌保护器 Surge protector tripping mechanism and surge protector
06/20/2012CN101930883B Small-sized breaker
06/20/2012CN101542669B Fault-current circuit breaker or residual-current circuit breaker
06/19/2012CA2677283C Tamper resistant interrupter receptacle having a detachable metal skin
06/13/2012CN202275792U 电涌保护器 Surge protectors
06/13/2012CN202275789U 电涌保护器的旋转脱扣装置及电涌保护器 Surge protectors rotating tripping device and surge protector
06/13/2012CN102498538A Remote control device and remote-controlled circuit breaker including such a device
06/07/2012WO2012074621A1 Circuit breaker with plug on neutral connection lock-out mechanism
06/07/2012US20120140369 Protective device
06/07/2012CA2817084A1 Circuit breaker with plug on neutral connection lock-out mechanism
05/2012
05/30/2012CN202259112U Leakage-protecting switch
05/30/2012CN202259111U Over-voltage and under-voltage protection type miniature circuit breaker with width of 36 mm
05/30/2012CN202259078U Small electricity leakage circuit breaker with width of 18mm
05/30/2012CN202259066U Multipolar/monopolar low-voltage intelligent circuit breaker
05/30/2012CN101097819B Modular electrical device providing at least two electrical functions, such as a differential circuit breaker
05/29/2012US8188819 Switching device unit for switiching at least two operating states
05/29/2012CA2453792C A gfci without bridge contacts and having means for automatically blocking a face opening of a protected receptacle when tripped
05/23/2012EP2455961A1 Electric switching device
05/23/2012CN202230965U Overvoltage protection type minisize breaker with width of 36 mm
05/23/2012CN202230964U Over-voltage protection type electric leakage breaker 36mm in width
05/23/2012CN102473562A 过电压保护模块和包括一个该模块的保护单元 Overvoltage protection module and the module includes a protection unit
05/23/2012CN102468090A 一种受控熔断电流保险器 A controlled fusing current fuse
05/23/2012CN101834434B Surge protector with thermal protection device
05/23/2012CN101388308B Breaker of plastic casing
05/23/2012CN101123157B Circuit breaker
05/22/2012US8183962 Leakage protective plug
05/22/2012CA2662241C Universal trip unit
05/16/2012CN202221745U Small-size electric leakage circuit breaker
05/16/2012CN202221744U Small-size residual current circuit breaker
05/16/2012CN101226860B Electric leakage breaker
05/15/2012US8178999 Controllable change-over apparatus for a solar module
05/15/2012CA2453797C Gfci receptacle having blocking means
05/09/2012EP2450931A1 Direct current circuit breaker
05/09/2012EP2450926A1 Electrical disconnection device and surge arrester having the same
05/09/2012EP2449570A1 Module for protecting against overvoltage and protection assembly including such a module
05/09/2012EP2449389A2 Current passage indicator
05/09/2012CN202217998U Protective device of cantilever breaker mechanism possessing interlayer
05/02/2012CN202210500U Multifunctional breaker
05/02/2012CN202210499U Low voltage plastic housing intelligent breaker
05/02/2012CN202210498U Controlled fusing current protector
05/02/2012CN102437548A Zero-residual-current circuit protection method and residual-current protection circuit breaker using same
05/02/2012CN101615541B Residual current circuit breaker
05/02/2012CN101478140B Self-disengaging three phase combined over-voltage protector
05/02/2012CN101199034B Earth leakage circuit breaker
05/01/2012US8169283 Circuit breaker trip unit support
04/2012
04/26/2012DE102005024346B4 Sicherungselement mit Auslöseunterstützung Fuse element with push support
04/25/2012CN202205677U 兼具出线端缺相保护的漏电断路器 Both the outlet end of phase earth leakage circuit breaker protection
04/25/2012CN202205676U 高分断型智能控制保护开关 High breaking intelligent control and protection switch
04/25/2012CN202205672U 断路器用的欠压脱扣器 Breaker with undervoltage release
04/25/2012CN101536132B 保护单元 Protection Unit
04/25/2012CN101276713B 漏电检测装置 Leakage detection means
04/24/2012US8164403 Disconnect mechanism in a power receptacle with ground-fault circuit interruption functions
04/24/2012CA2336769C Arc fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same
04/18/2012CN202197084U 一种可报警不脱扣的实时在线显控漏电智能保护器 One kind can not trip the alarm display and control real-time online intelligence leakage protection
04/18/2012CN101728140B High voltage or ultra-high voltage high-current circuit breaker
04/18/2012CN101388538B 一种分级闭锁防爆开关 A hierarchical lockout-proof switch
04/17/2012US8158898 Elastic pressing unit and molded case circuit breaker having the same
04/17/2012CA2555458C Self testing ground fault circuit interrupter (gfci) with end of life (eol) detection that rejects false eol information
04/11/2012CN102412104A 控制与保护开关电器 Control and protection of electrical switches
04/11/2012CN102412100A 电涌保护器插拔式模块 Surge protection plug-in module
04/05/2012WO2012040750A1 Residual current operated device
04/05/2012DE19732882B4 Leistungsschalter Circuit breaker
04/04/2012CN202183348U 漏电保护开关的动触头组件及其触头系统 Leakage protection switch movable contact assembly and contact system
04/03/2012US8148853 Switching method and apparatus
04/03/2012CA2458785C Ground fault circuit interrupter with reverse wiring protection
03/2012
03/29/2012US20120075043 Circuit breaker with a digital data processing device
03/28/2012CN102396043A Remote de-energizing of an installation switching device
03/27/2012CA2552339C Self testing digital fault interrupter
03/27/2012CA2437377C Aircraft applicable ground fault circuit interrupter
03/27/2012CA2403603C Electronic circuit breaker
03/22/2012DE102010045920A1 Overvoltage protection device for lightning protection of e.g. land-based wind-power plants, has interfaces forming electrical interruption during and/or after receiving separation signal, so that bridge is separated from cable end
03/21/2012CN202172054U 一种分界负荷开关 One kind of boundary load switch
03/21/2012CN101227075B Low-voltage breaker with high voltage open-phase protection
03/20/2012US8136890 Shock proof devices and methods
03/20/2012CA2515059C Circuit interrupting device and system utilizing electromechanical reset
03/14/2012CN102377176A Surge protection device
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