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