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)
09/2012
09/05/2012CN202423198U Fixed type outdoor drop-out fuse
09/05/2012CN202423181U Rated current setting mechanism of over-current relay used in circuit breaker
09/05/2012CN202423180U Control device for closing coil of breaker
09/05/2012CN202423179U Small size breaker operation mechanism
09/05/2012CN202423178U Double-spring handle return mechanism applied to miniature circuit breaker
09/05/2012CN202423177U Low-voltage plastic casing type operation handle for circuit breaker
09/05/2012CN202423176U Home appliance air switch capable of realizing bi-directional protection
09/05/2012CN202423175U Direct current low-voltage protection device
09/05/2012CN202423174U Intelligent ammeter breaker
09/05/2012CN202423173U Tripping mechanism of surge protector and surge protector
09/05/2012CN202423172U Overload protector
09/05/2012CN202423171U Small size breaker double-metal assembly
09/05/2012CN202423170U Automatically-resettable miniature overcurrent and overheat protector
09/05/2012CN202423169U Manual resetting mini-size overcurrent and overheat protector
09/05/2012CN202423168U Improved circuit breaker
09/05/2012CN202423167U Breaker interlocking rod
09/05/2012CN202423166U Asymmetric double-contact circuit breaker
09/05/2012CN202423165U Four breakpoint modularization breaker
09/05/2012CN202423164U Leakage protector with convenience in wiring
09/05/2012CN202423163U Modularization packaged structure
09/05/2012CN202423162U Electrical connection structure
09/05/2012CN202423161U Device for searching control loop of circuit breaker
09/05/2012CN202423160U Air switch fixing terminal
09/05/2012CN202423159U Screw adjusted air switch fixed terminal
09/05/2012CN202423158U Low-voltage alternating-current circuit breaker
09/05/2012CN202423157U Line circuit breaker switch with indicating device
09/05/2012CN202423156U Miniature circuit breaker
09/05/2012CN202423155U Guide rail type circuit breaker shell
09/05/2012CN202423154U Seamless structure of DPN circuit breaker
09/05/2012CN202423153U Airflow exchanging passage of leakage circuit breaker
09/05/2012CN202423152U Heat dissipation channel of DPN breaker
09/05/2012CN202423151U Integrated direct current breaker
09/05/2012CN202423150U Synchronous auxiliary device for miniature circuit breaker
09/05/2012CN202423149U Low-voltage direct current circuit breaker
09/05/2012CN202423148U Automatic change-over device with auxiliary switches
09/05/2012CN202421279U Voltage and frequency measuring circuit for breaker
09/05/2012CN102656658A Trip unit
09/05/2012CN102656657A Electric hand tool with activation indication device
09/05/2012CN102655067A Dual-power control and protection switching device
09/05/2012CN102655066A High-breaking-capacity energy-storage-type biaxial miniature circuit breaker
09/05/2012CN102655065A Control and protective switching device
09/05/2012CN102655064A Control and protective switching device
09/05/2012CN101814705B A draw-in and out device for circuit breaker and breaker with the same
09/05/2012CN101636807B Connecting element for the connection of switching devices
09/05/2012CN101325287B Electrical connection terminal and electrical protection device comprising such a terminal
08/2012
08/30/2012WO2012114037A1 Magnetothermal actuator
08/30/2012DE102004062270B4 Verfahren und Vorrichtung zum sicheren Betrieb eines Schaltgerätes sowie Schaltgerät Method and device for the safe operation of a switching device and switching device
08/29/2012EP2493038A1 Circuit breaker having cradle
08/29/2012EP2492944A2 Circuit breaker
08/29/2012CN202405207U Excitation tripping device suitable for miniature circuit breaker (MCB)
08/29/2012CN202405206U Electromagnetic tripping system of hydraulic type circuit breaker
08/29/2012CN202405205U Instantaneous stripping mechanism of stepless adjustable plastic shell circuit breaker
08/29/2012CN202405204U Novel drop-out fuse
08/29/2012CN202405203U Power switch capable of being automatically produced
08/29/2012CN202405202U Small-sized shunt breaker with self-detection function
08/29/2012CN202405201U Spring operating mechanism for high-voltage electrical appliance
08/29/2012CN202405200U Breaker mechanism
08/29/2012CN202405199U Connecting line structure of L-pole circuit breaker and N-pole circuit breaker
08/29/2012CN202405198U 断路器 Breaker
08/29/2012CN202405197U Hydraulic electromagnetic breaker
08/29/2012CN202405196U Electric leakage indicating mechanism for release of circuit breaker
08/29/2012CN202405195U Operating state monitoring device for small breaker
08/29/2012CN202405194U Protective structure of electronic component board applicable to small-sized circuit breaker
08/29/2012CN202405193U High-capacity circuit breaker
08/29/2012CN202405192U Intelligent circuit breaker
08/29/2012CN202405191U Intelligent controller capable of preventing under-voltage switch-on
08/29/2012CN202405190U Automatic reclosing control circuit with communication function in miniature circuit breaker
08/29/2012CN102651293A Circuit breaker
08/29/2012CN102651292A Circuit breaker
08/29/2012CN102651291A Terminal device of circuit breaker
08/29/2012CN102651290A Circuit breaker having cradle
08/29/2012CN101882541B Locking device capable of maintaining three positions of handle for low-voltage circuit breaker and method thereof
08/29/2012CN101826423B Modularized electronic tripping device for low-voltage breaker
08/29/2012CN101819908B Conducting loop structure of low-voltage circuit breaker
08/29/2012CN101699609B Electromagnetic tripping device of low-voltage circuit breaker
08/29/2012CN101673644B Switching mechanism for motor protection circuit breaker
08/29/2012CN101246793B Disconnector for a very high voltage electrical substation
08/23/2012WO2012109684A1 Residual-current-operated circuit breaker
08/23/2012DE10211687B4 Überlast-und Leitungsbruch-Auslöseeinrichtung für einen Leitungsschutzschalter Overload and open-circuit tripping device for a circuit breaker
08/22/2012EP2490243A1 Latch assembly and electrical switching apparatus including the same
08/22/2012EP2489056A1 Multipole electrical switching device
08/22/2012EP2359380B1 Mechanism for driving the handle of a remote control unit, and unit containing same
08/22/2012CN202394822U Electronic tripper used for circuit breaker
08/22/2012CN202394821U Half shaft gap adjusting type breaker trip device
08/22/2012CN202394820U Safety protection device for plug-in substrate of circuit breaker
08/22/2012CN202394731U Electromagnetic blowdown valve
08/22/2012CN102646556A Under-voltage tripper
08/22/2012CN102646555A High voltage relief switch
08/22/2012CN102646552A Electrically and manually integrated clutching device of circuit breaker
08/22/2012CN102646551A Protection switch
08/22/2012CN101950895B Leakage protection socket with reverse wiring and end of life detection function
08/22/2012CN101930880B Remote moulded case circuit breaker motor-driven operating mechanism with energy pre-storage function
08/22/2012CN101826424B Breaker switching-on mechanism
08/22/2012CN101814401B Tripping device of molded case circuit breaker
08/22/2012CN101807498B Mechanical circuit breaker with short-circuit self-locking mechanism
08/22/2012CN101656180B Electromagnetic short circuit protection breaker
08/22/2012CN101645375B Mechanical short circuit protection breaker
08/22/2012CN101354980B Heating element for heating double-metal part capable of being applyied to cut off protection switch
08/21/2012US8248110 Clock switch-over circuits and methods
08/21/2012CA2768908A1 Electrical switching apparatus, and racking assembly and secondary disconnect assembly therefor
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