Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
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01/18/2012 | CN101527228B excitor |
01/18/2012 | CN101345164B Air cicuit breaker having simple detachable structure for over current relay |
01/17/2012 | CA2342422C Operation counter for a circuit interrupter |
01/12/2012 | DE102005056248B4 Selektiver Hauptleitungsschutzschalter Selective main line circuit breaker |
01/11/2012 | EP2153453B1 An electric motor |
01/11/2012 | EP1946339B1 A current transformer including a low permeability shunt and a trip device employing the same |
01/11/2012 | EP1763914B1 Electronic protection devices for circuit-breakers |
01/11/2012 | CN202111032U Under-voltage release and shunt release |
01/11/2012 | CN202111024U Electronic type disconnector with shunt release module |
01/11/2012 | CN202111023U Shunt release for breaker |
01/11/2012 | CN202111022U Resetting type fuse holder |
01/11/2012 | CN202111021U Alnico magnetic steel for electric-leakage switch release |
01/11/2012 | CN202111020U Manual mode and automatic mode integrated switching-on/switching-off mechanism of circuit breaker |
01/11/2012 | CN202111019U Base frame for moulded case circuit breaker operation mechanism |
01/11/2012 | CN202111018U Operation mechanism for moulded case circuit breaker |
01/11/2012 | CN202111017U Residual current protecting circuit breaker |
01/11/2012 | CN202111016U Rear plate wiring device of breaker |
01/11/2012 | CN202111015U Operating handle display device for miniature circuit breaker |
01/11/2012 | CN202111014U Breaker auxiliary switch |
01/11/2012 | CN102318028A MECHANISM FOR DRIVING THE JOYSTICK OF A REMOTE CONTROL UNIT, AND UNIT CONTAINING SAMe |
01/11/2012 | CN102315054A Electrical mounting switch device and system comprising the same and auxiliary switch |
01/11/2012 | CN102315053A Fast magnetic release and circuit breaker equipped with same |
01/11/2012 | CN102315052A Electromagnetic tripping device for electric switchgear, electric switchgear comprising such a tripping device |
01/11/2012 | CN102315051A Quad break modular circuit breaker interrupter |
01/11/2012 | CN102315050A Circuit breaker |
01/11/2012 | CN102315049A Device for electrical connection and circuit breaker |
01/11/2012 | CN102315048A Fully enclosed safety protection device of automatic residual current circuit breaker |
01/11/2012 | CN102315047A Flashover preventing device for circuit breaker |
01/11/2012 | CN102315046A Contact system of circuit breaker |
01/11/2012 | CN102315045A Self-learning switching-on phase control method |
01/11/2012 | CN101640146B Tripping device of circuit breaker |
01/11/2012 | CN101552160B Circuit protecting switch with delay control device |
01/11/2012 | CN101546679B Single-phase circuit breaker |
01/11/2012 | CN101510488B Circuit breaker ready-to-close indicator component |
01/11/2012 | CN101341565B Handle assembly having an integral slider therefor and electrical switching apparatus employing the same |
01/11/2012 | CN101222100B Creepage protecting socket with life end checking function |
01/11/2012 | CN101165833B Closing spring assembly of switching mechanism for air circuit breaker |
01/10/2012 | US8094425 Combination current sensor and relay |
01/10/2012 | US8093984 Installation switchgear |
01/05/2012 | WO2012003193A1 Quad break modular circuit breaker interrupter |
01/05/2012 | WO2012001502A2 Overload relay switch without springs |
01/05/2012 | WO2012000244A1 Connecting structure for snap-on cover of moulded case circuit breaker |
01/05/2012 | US20120001706 Electronic overload relay switch actuation |
01/05/2012 | CA2803007A1 Quad break modular circuit breaker interrupter |
01/05/2012 | CA2802595A1 Overload relay switch without springs |
01/04/2012 | EP2402973A1 Electromagnetic tripping device for electric switchgear, electric switchgear comprising such a tripping device |
01/04/2012 | EP2402972A1 Device for electrical connection between the foot of a bimetallic strip and a terminal range in an electric tripping device, and circuit-breaker comprising such a device. |
01/04/2012 | CN202102998U Circuit breaker with optimized space distribution |
01/04/2012 | CN202102992U Operating mechanism and related apparatus used for electrical switch apparatus |
01/04/2012 | CN202102991U 12 kV indoor handcart type circuit breaker conductive clip |
01/04/2012 | CN202102990U Detachable electric leakage module of circuit breaker |
01/04/2012 | CN202102989U Control system for accessory module of miniature circuit breaker |
01/04/2012 | CN202102988U Intelligent miniature circuit breaker with bus system |
01/04/2012 | CN202102987U Mining explosion-proof breaker circuit |
01/04/2012 | CN202102986U Plastic housing breaker with self-locking function |
01/04/2012 | CN102308355A Tripping apparatus, particularly for circuit breakers |
01/04/2012 | CN102306593A Electric operating mechanism with one-way overrunning clutch |
01/04/2012 | CN101789337B Rocking guide rod type electric operating mechanism for circuit breaker |
01/04/2012 | CN101710551B Intelligent circuit breaker with back-up protection device |
01/04/2012 | CN101546670B Zero current disjunction AC vacuum contactor |
01/04/2012 | CN101465245B Device for preventing false action of low-voltage apparatus implement device |
01/03/2012 | US8089738 GFCI that cannot be reset until wired correctly on line side and power is applied |
01/03/2012 | CA2425714C Externally controllable circuit breaker |
01/03/2012 | CA2390574C Multi-pole circuit breaker with parallel current |
01/03/2012 | CA2369864C Circuit breaker and electrical distribution panel employing the same |
01/03/2012 | CA2333333C Improvements in electrical protection and control systems |
12/29/2011 | DE102011050975A1 Elektromagnetischer Schalter Electromagnetic switch |
12/29/2011 | DE102010035857A1 Magnet system for use in e.g. main circuit breaker in industrial application, has armature retained by permanent magnets and holding plate in starting position and after exceedance of preset short circuit current value to drive striker pin |
12/29/2011 | DE102005062476B4 Elektronisches Schutzrelais Electronic Overload Relay |
12/28/2011 | CN202094061U 一种小型断路器的中性极结构 A small structure neutral pole circuit breaker |
12/28/2011 | CN202094058U 断路器的欠压保护装置 Undervoltage protection circuit breaker |
12/28/2011 | CN202094057U 一种智能塑壳开关 An intelligent molded case switch |
12/28/2011 | CN202094056U 断路器cvt组件 Cvt breaker assembly |
12/28/2011 | CN202093967U 电流互感器组件和断路器 Current transformer components and circuit breakers |
12/28/2011 | CN1967763B 电气开关装置 Electrical switching apparatus |
12/28/2011 | CN102299030A 磁系统和带有磁系统的安装开关设备 Magnetic system and installation of switching devices with magnetic system |
12/28/2011 | CN102299029A 一种断路器操动机构的分闸脱扣结构 Sub-gate structure for a circuit breaker tripped Actuator |
12/28/2011 | CN102299028A 一种断路器过载报警不脱扣装置 A circuit breaker is not tripped overload warning device |
12/28/2011 | CN102299027A 焊接制品、焊接方法和断路器 Welding products, welding method and circuit breakers |
12/28/2011 | CN102299026A 塑壳断路器的模块化壳体 MCCB modular housing |
12/28/2011 | CN101677049B 一种改进的断路器 An improved circuit breaker |
12/28/2011 | CN101651070B 电磁铁式具有短路自锁功能的断路器 Solenoid type has a self-locking function of short-circuit breaker |
12/28/2011 | CN101651069B 机械式具有短路自锁功能的断路器 Short circuit breaker mechanical self-locking function |
12/28/2011 | CN101242037B 具有夹子的线路保护开关 Line protection switch with a clip |
12/21/2011 | EP1593139B1 Electromagnetic power switch |
12/21/2011 | CN202084498U 一种电容器断路器与隔离开关装置 A capacitor circuit breakers and disconnectors devices |
12/21/2011 | CN202084494U 塑壳断路器 MCCB |
12/21/2011 | CN202084493U 低压断路器的电磁瞬时脱扣调整装置 Electromagnetic transient voltage circuit breaker tripping adjusting device |
12/21/2011 | CN202084492U 电动机保护器操作机构 Operating mechanism motor protection |
12/21/2011 | CN202084491U 一种断路器的机构杠杆轴/连杆轴支撑结构 Lever shaft mechanism of a circuit breaker / link shaft support structure |
12/21/2011 | CN202084490U 一种框架断路器辅助触头装置 A framework breaker auxiliary contact unit |
12/21/2011 | CN202084489U 具有过载报警不脱扣的热磁式塑壳断路器 Overload alarm does not trip thermal magnetic MCCB |
12/21/2011 | CN202084488U Ic卡预付费专用断路器用导线杆 Ic card prepaid dedicated circuit breaker with a wire rod |
12/21/2011 | CN202084487U 一种断路器机构强度增加装置 A circuit breaker mechanism strength increasing device |
12/21/2011 | CN202084486U 一种机车屏柜用断路器防护盖板 One kind of locomotive breaker cubicle protective cover |
12/21/2011 | CN1773648B 电机过载保护器 Motor overload protection |
12/21/2011 | CN102290298A 微型断路器用电动操作机构的传动机构 MCB electric transmission mechanism operating mechanism |
12/21/2011 | CN102290297A 一种直流断路器防冲击振动的快速脱扣机构 A DC circuit breaker tripping mechanism rapid anti-shock vibration |
12/21/2011 | CN102290296A 断路器的极间联动机构 Linkage between poles breaker |
12/21/2011 | CN102290295A 设计成与断路器单元相关联的辅助脱扣装置 Auxiliary trip device designed to be associated with the circuit breaker unit |