Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 71 - Details of the protective switches or relays covered by groups
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
12/2012
12/26/2012CN102157850B Switch socket of heavy-current circuit breaker
12/26/2012CN101882538B Protection mechanism of permanent-magnet operating mechanism for circuit breaker
12/26/2012CN101432836B Devices, systems, and methods for shunting a circuit breaker
12/26/2012CN101218655B Electromagnetic trip device for an electrical installation device
12/20/2012DE102011077707A1 Switch e.g. power switch for interrupting current flowing to electrical load, has capacitor that is charged to predetermined voltage to supply power to remaining tripping unit
12/20/2012CA2780398A1 Arc flash system for a power circuit
12/19/2012EP2535916A2 Improved magnetic core coupling in a current transformer with integrated magnetic actuator
12/19/2012EP2535909A1 Circuit breaker closing/opening actuating mechanism and driving device thereof
12/19/2012CN202616165U Manual reset circuit breaker
12/19/2012CN202616164U Permanent magnet under-voltage release
12/19/2012CN202616163U Short circuit trip device used for controlling and protecting switch
12/19/2012CN202616162U Electromagnetic release mechanism
12/19/2012CN202616161U Electromagnetic trip for small-sized circuit breaker
12/19/2012CN202616160U Miniature breaker overcurrent electrical apparatus release
12/19/2012CN202616159U Heat protector
12/19/2012CN202616158U Automatic reset circuit breaker
12/19/2012CN202616157U Low-voltage under-voltage electrical apparatus release general for AC and DC
12/19/2012CN202616156U Breaker tripping device
12/19/2012CN202616155U N-phase first-integrating later-separating correcting mechanism for four-stage modularized outer casing breaker
12/19/2012CN202616154U Manual motor starter
12/19/2012CN202616153U Small circuit breaker
12/19/2012CN202616152U Operating mechanism of small circuit breaker
12/19/2012CN202616151U Outdoor combined circuit breaker capable of realizing left and right operations
12/19/2012CN202616150U Tripping and reclosing mechanical limiting device of 550kV circuit breaker
12/19/2012CN202616149U Circuit breaker connecting device
12/19/2012CN202616148U Contact state indicating device and breaker with the same
12/19/2012CN202616147U Plug-in type electric leakage breaker
12/19/2012CN102832082A Actuator and breaker including same as well as operation method for breaker
12/19/2012CN102832081A Transmission mechanism in tripper
12/19/2012CN102832061A Space-saving brake separating lock
12/19/2012CN102169782B Current regulation device of release of circuit breaker
12/19/2012CN102136401B Miniature circuit breaker with leakage protection function
12/19/2012CN102024631B 辅助触头装置 Auxiliary contact arrangement
12/19/2012CN101958211B Circuit-breaker automatic closing contact device with high breaking capacity
12/19/2012CN101930881B Rotating handle operating device of moulded case circuit breaker
12/19/2012CN101840796B Circuit breaker closing/opening actuating mechanism
12/19/2012CN101740272B Mechanical high-voltage circuit breaker with short circuit self-locking function
12/18/2012CA2491087C Circuit breaker latching mechanism
12/13/2012DE102011103492B4 Betätigungsvorrichtung Actuator
12/13/2012DE102011077359A1 Auslöser für eine elektrische Schaltanordnung Trigger for an electrical circuitry
12/13/2012DE102011077285A1 Hilfsschalter für einen elektrischen Schalter Auxiliary switch for an electrical switch
12/12/2012EP2533264A1 Auxiliary switch for an electrical switch
12/12/2012EP2533263A1 Magnetic actuator with multiple air gaps
12/12/2012CN202601539U High-voltage discharge switch
12/12/2012CN202601535U Labor-saving operation device of universal breaker operation mechanism
12/12/2012CN202601534U Thermomagnetic system with plastic shell type circuit breaker
12/12/2012CN202601533U Novel breaker with speed optimization double-bull-stick mechanism
12/12/2012CN202601532U Insulating pull rod assembly
12/12/2012CN202601531U Direct-current circuit breaker
12/12/2012CN202601530U Switching-off device of spring operating mechanism of circuit breaker
12/12/2012CN202601529U A soft connecting line of a vacuum circuit breaker of a locomotive
12/12/2012CN202601528U Switch
12/12/2012CN202601527U Circuit breaker mechanism case
12/12/2012CN202600758U Counting apparatus for counting main switch motion frequency and breaker
12/12/2012CN102820185A Arc extinguishing grid piece device on circuit breaker
12/12/2012CN102820183A Auxiliary switch for an electrical switch
12/12/2012CN102820182A Large-current miniature circuit breaker
12/12/2012CN102820181A Thermal trip actuating mechanism of air circuit breaker
12/12/2012CN102820180A Heat tripping system for air breaker
12/12/2012CN102820179A Release for an electrical switching arrangement
12/12/2012CN102820178A Circuit breaker control device
12/12/2012CN102820177A High voltage sulfur hexafluoride breaker and double acting transmission device thereof
12/12/2012CN102820176A Double acting high voltage sulfur hexafluoride breaker and double acting transmission device thereof
12/12/2012CN102820175A Wiring screw electricity-stealing-prevention protective cover component of small-sized circuit breaker
12/12/2012CN102818988A Testing device system of circuit breaker for earth fault currents or residual currents
12/12/2012CN101923992B Control and protection switch operating mechanism for electrical appliances
12/12/2012CN101908449B Breaker operating mechanism and breaker with same
12/12/2012CN101783252B Automatic transfer switching electric appliance and method for judging and treating failure thereof
12/12/2012CN101685725B Circuit breaker and current transformer for corresponding circuit breaker
12/12/2012CN101635231B Mold cased circuit breaker
12/12/2012CN101364484B Electrical switching apparatus, and charging assembly and charging handle thereof
12/06/2012WO2012163543A1 Actuating device
12/06/2012WO2012088177A3 Self-aligning actuator for door-operated switch
12/06/2012DE102011103492A1 Betätigungsvorrichtung Actuator
12/06/2012CA2837900A1 Actuating device
12/05/2012EP2529385A1 Connection element and multi-pole protective switching device
12/05/2012EP2529384A1 Installation switchgear having lockable housing halves
12/05/2012CN202585304U An outdoor AC high-voltage dropout elastic fuse
12/05/2012CN202585299U Open phase tripping device for low-voltage circuit breaker
12/05/2012CN202585293U Automatically reclosing device of circuit breaker
12/05/2012CN202585292U Direct current breaker short circuit time-delay pulse release controlling means
12/05/2012CN202585291U Integrated thermomagnetic system supporting frame of small-size circuit breaker
12/05/2012CN202585290U Intelligent electric leakage comprehensive protection switch
12/05/2012CN202585289U External switch controlled trip control device
12/05/2012CN202585288U Double power supply type control and protection switch device
12/05/2012CN202585287U Circuit breaker locking mechanism
12/05/2012CN202585286U Circuit breaker emergency brake separating mechanism
12/05/2012CN202585285U Action mechanism of breaker
12/05/2012CN202585284U Protector
12/05/2012CN202585283U Resetting mechanism for double-breakpoint breaker
12/05/2012CN202585282U Control and protection switching device
12/05/2012CN202585281U Alarm transmission device of breaker
12/05/2012CN202585280U Digital display air switch
12/05/2012CN202585279U Trip alarming low-voltage air switch
12/05/2012CN202585278U New type residual-current circuit breaker display circuit
12/05/2012CN202585277U Breaker under-voltage tripper with state indication function
12/05/2012CN202585276U Control and protection switch device
12/05/2012CN202585275U Novel secondary control circuit of permanent magnet structure
12/05/2012CN202585249U Heavy-current overtemperature, overvoltage and electromagnetic three-in-one tripping protector
12/05/2012CN202585182U Emergency trip device for breaker for cabinet
1 ... 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ... 185