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)
11/2012
11/07/2012CN102768922A Slide block device of electric operating mechanism of breaker
11/07/2012CN102768921A Repelling disconnection mechanism of breaker and breaker thereof
11/07/2012CN102315053B Fast magnetic release and circuit breaker equipped with same
11/07/2012CN102290292B Aftercurrent protection circuit breaker
11/07/2012CN101986412B Overload tripping device of breaker
11/07/2012CN101542668B Double break installation switchgear
11/07/2012CN101416264B Circuits breaker having resetting function and breaking function for abnormal current
11/07/2012CN101236867B Overcurrent tripping device for circuit breaker
11/01/2012WO2012146876A1 Electromagnetic actuator having magnetic generator
10/2012
10/31/2012EP2518753A1 Device for interrupting electric current with simplified structure
10/31/2012EP2518752A1 Fault trip indicator by the position of the handle
10/31/2012EP2518748A1 Interlocking device for electrical apparatuses and interlocking group including said device
10/31/2012EP2517222A1 Electronic miniature circuit breaker with trip indication using the breaker tripping function as the feedback mechanism
10/31/2012DE102011002294A1 Überlastsicherungsvorrichtung zum Schutz von elektrotechnischen Bauteilen vor zu hohen Betriebsströmen Overload protection device for protecting electrical components from excessive operating currents
10/31/2012CN202513109U Current leakage trip
10/31/2012CN202513108U Leakage breaker
10/31/2012CN202513107U Interchanged plastic shell breaker special for prepayment electric energy meter
10/31/2012CN202513106U Dedicated molded case circuit breaker for prepayment type electric energy meter
10/31/2012CN202513105U Current-limiting fuse with overcurrent and short circuit protection
10/31/2012CN202513104U Drop-out fuse
10/31/2012CN202513103U Tripper module
10/31/2012CN202513102U Cone-shaped guiding sealing device of breaker
10/31/2012CN202513101U Integrated upper outgoing line connecting body for high-voltage vacuum circuit breaker
10/31/2012CN202513100U Electric connection structure of circuit breaker
10/31/2012CN202513099U Fast wiring type circuit breaker
10/31/2012CN202513098U Universal type molded case circuit breaker special for prepayment electric energy meter
10/31/2012CN202513077U Temperature protector with repeated memory capability
10/31/2012CN102763187A Assembly for protecting against power surges
10/31/2012CN102760620A Auxiliary tripper for circuit breaker and circuit breaker adopting auxiliary tripper
10/31/2012CN102760619A Undervoltage tripper
10/31/2012CN102760618A Tripping mechanism of circuit breaker and circuit breaker
10/31/2012CN102760617A Switching knob and electric/manual closing and opening switching device with same
10/31/2012CN102760616A Circuit breaker for reliable operation of operating mechanism
10/31/2012CN102760615A Electronic circuit breaker
10/24/2012EP2515318A1 Compact bus bar assembly, switching device and power distribution system
10/24/2012EP2513942A1 Assembly for protecting against power surges
10/24/2012EP2513941A1 Electric hand tool with activation indication device
10/24/2012CN202502966U Circuit breaker
10/24/2012CN202502964U Over-/under-voltage tripping device of miniature circuit breaker
10/24/2012CN202502963U Three-phase transfer switch type leakage protector
10/24/2012CN202502962U Miniature circuit breaker
10/24/2012CN202502961U Current-limiting liquid magnetic type miniature circuit breaker
10/24/2012CN202502960U Over-under voltage release for small breakers
10/24/2012CN202502959U Permanent magnetic operating mechanism of circuit breaker
10/24/2012CN202502958U Electronic circuit breaker with plastic shell
10/24/2012CN202502957U Separation-combination indicating device for breaker propelling mechanism
10/24/2012CN202502956U Leakage circuit breaker with a plastic shell
10/24/2012CN202502955U Circuit breaker device
10/24/2012CN202502954U Circuit breaker device provided with disconnecting switch
10/24/2012CN102751707A Overcurrent and overvoltage protector with bimetallic strip temperature switch
10/24/2012CN102751145A Energy-saving contactor with good on-off capacity
10/23/2012US8294303 Photovoltaic grounding
10/23/2012CA2450278C System, device, and method for securing a circuit breaker actuator
10/18/2012WO2012140145A1 Contact-making device and drive therefor for protective switching devices
10/18/2012DE102010015825B4 Elektrisches Installationsschaltgerät mit einer Schaltstellungsanzeige Electrical service switching device having a switch position indicator
10/17/2012EP2511932A2 Trip button mechanism of external handle for circuit breaker
10/17/2012EP2510533A1 Splatter resistance in circuit breakers
10/17/2012CN202495406U Electronic type leakage circuit breaker
10/17/2012CN202495405U Circuit breaker operation connecting mechanism
10/17/2012CN202495404U Button handle structure used for current overload protector
10/17/2012CN202495403U Insulating device for leakage module of circuit breaker
10/17/2012CN202495402U Tripping device of load monitor main switch
10/17/2012CN202495401U Leakage circuit breaker
10/17/2012CN102737923A Outdoor transverse control automatic dropping fuse protector
10/17/2012CN102737918A Rotating handle operating device of circuit breaker and circuit breaker control box
10/17/2012CN102737917A Circuit breaker used for over-current protection
10/11/2012DE102011011420B4 Griffverbindungselement und mehrpoliges Schutzschaltgerät Handle connecting element and multi-pole protection device
10/10/2012EP2509092A1 Electric switching device
10/10/2012EP2507813A2 Current measuring apparatus
10/10/2012DE202012007996U1 Abdeckung Cover
10/10/2012CN202487512U Undervoltage tripper
10/10/2012CN202487511U Electromagnetic mechanism for circuit breaker and circuit breaker thereof
10/10/2012CN202487510U Anti-lightning leakage breaker
10/10/2012CN202487509U Actuation mechanism of thermal overload relay
10/10/2012CN202487508U Rotating shaft structure of release of circuit breaker
10/10/2012CN202487507U Novel circuit breaker switch-on mechanism
10/10/2012CN202487506U Anti-impact mechanism with buffering and force-unloading functions
10/10/2012CN202487505U Composite insulation material
10/10/2012CN202487504U On-off status switch for electric locomotive main circuit breaker
10/10/2012CN202487503U Display operation circuit
10/10/2012CN102725815A Electronic miniature circuit breaker with trip indication using the breaker tripping function as the feedback mechanism
10/10/2012CN102723247A Short-circuit trip device for controlling and protecting switch
10/10/2012CN102723246A Circuit breaker and assembling structure of three-phase linkage transmission mechanism thereof
10/10/2012CN102723245A Resistance device for high-voltage circuit breaker and high-voltage circuit breaker
10/10/2012CN102723244A Control method for permanent-magnetic circuit breaker
10/10/2012CN102723237A High-current over-temperature, over-voltage and electromagnetic three-in-one tripping protector
10/10/2012CN102360995B Magnetic releaser of circuit breaker
10/10/2012CN101783264B Manhole rainproof cover device of 220kV spring mechanism breaker
10/03/2012CN202473798U High-breaking minisize breaker
10/03/2012CN202473797U Intelligent magnetic maintenance minisize breaker
10/03/2012CN202473796U Sealed tube of hydraulic electromagnetic circuit breaker
10/03/2012CN202473795U Hydraulic electromagnetic circuit breaker trip
10/03/2012CN202473794U Release component of earth leakage protection switch
10/03/2012CN202473793U Magnet yoke, assembly and breaker
10/03/2012CN202473792U Moulded case circuit breaker
10/03/2012CN202473791U Power supply switching on/off device with main contact loop heating protection device
10/03/2012CN202473790U Breaker
10/03/2012CN202473789U Single-phase circuit breaker slow detachment and combination device
10/03/2012CN202473788U Universal circuit breaker
10/03/2012CN202473787U Novel permanent-magnet driving device
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