Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
03/2013
03/26/2013CA2790441A1 Locking structure for a truck of a switchgear drawout circuit breaker
03/23/2013CA2789760A1 Collapsible mechanism for circuit breakers
03/22/2013CA2790453A1 Contact arm assembly for switchgear circuit breaker having improved cooling fins and contact fingers to maximize heat rejection
03/20/2013EP2569791A1 Installation switching device
03/20/2013CN202816836U Switching device of breaker
03/20/2013CN202816835U Closing circuit for breaker
03/20/2013CN202816834U Hydraulic electromagnetic breaker overload time-delay device
03/20/2013CN202816833U Permanent magnetic mechanism of three-phase separate circuit breaker
03/20/2013CN202816832U Thermal overload relay
03/20/2013CN202816831U A thermal overload relay with current transformers
03/20/2013CN202816830U Hand-operated closing-opening releasing and locking device of breaker spring operating mechanism
03/20/2013CN202816829U High-stability miniature circuit breaker
03/20/2013CN202816828U Connecting rod type electrically-operated mechanism for intelligent electric leakage comprehensive protector
03/20/2013CN202816827U Breaker switch with screw type operating mechanism
03/20/2013CN202816826U Manual and automatic reclosing lock integrated device of intelligent residual current circuit breaker
03/20/2013CN202816825U Transmission apparatus and breaker
03/20/2013CN202816824U Circuit breaker
03/20/2013CN202816823U Convenient wiring structure for breaker
03/20/2013CN202816822U Structure for preventing screw from falling off
03/20/2013CN202816821U Protection switch
03/20/2013CN202816820U Auxiliary switch for breaker
03/20/2013CN202816819U Circuit breaker bracket for base
03/20/2013CN202816818U Control box of high-voltage circuit breaker
03/20/2013CN202816817U Big cover with venting structure
03/20/2013CN202816816U Electrical switch equipment
03/20/2013CN202816815U Intelligent fireproof type multifunctional breaker
03/20/2013CN202816814U Release switching device
03/20/2013CN202816527U High-performance tripping and closing coil
03/20/2013CN102983044A Electrification state indicating device of circuit breaker and circuit breaker with same
03/20/2013CN102157309B Long-stroke linear permanent magnet motor operation mechanism of high-voltage breaker
03/20/2013CN102118009B Electric connection mechanism used for plug-in circuit breaker
03/20/2013CN102108204B Plastic case material for breaker and preparation method thereof
03/20/2013CN101625940B Double-break micro breaker
03/20/2013CN101471205B Positive resetting close latch for closing electrical switching apparatus
03/14/2013WO2013036592A1 Control circuit for motorized circuit breaker
03/14/2013WO2013034971A1 Circuit breaker trip unit with displaying device
03/14/2013DE102006051423B4 Aus einem mechanischen Schloss und einem thermischen Teilsystem gebildeter Block für elektrisches Gerät For educated block for electrical equipment a mechanical lock and a thermal subsystem
03/14/2013CA2846660A1 Control circuit for motorized circuit breaker
03/13/2013EP2568489A1 Protective switch device with a status display device
03/13/2013EP2567389A1 Electrical service switching device
03/13/2013CN202796806U Breaker used for wiring
03/13/2013CN202796805U Transmission mechanism of automatic closing device of circuit breaker
03/13/2013CN202796804U Electronic control mechanism of automatic closing device of circuit breaker
03/13/2013CN202796803U Automatic closing device of circuit breaker
03/13/2013CN202796802U Auxiliary switch used in frame-type circuit breaker
03/13/2013CN202796801U Clapping type electromagnetic release
03/13/2013CN202796800U Contact division and combination device of leakage protector
03/13/2013CN202796799U Fuse type disconnecting switch
03/13/2013CN202796798U Power switch having function of automatic power-off protection
03/13/2013CN202796797U Thermal overload tripping three-phase double-gold synchronous adjusting device
03/13/2013CN202796796U Release of moulded case circuit breaker
03/13/2013CN202796795U Heating element for electric leakage breaker
03/13/2013CN202796794U Closing coil
03/13/2013CN202796793U Transmission mechanism arranged in release
03/13/2013CN202796792U Tripping device of wiring circuit breaker
03/13/2013CN202796791U Hammer-type safety cut-out switch
03/13/2013CN202796790U Lock catch
03/13/2013CN202796789U Drive device of rotary auxiliary switch
03/13/2013CN202796788U Moulded case circuit breaker
03/13/2013CN202796787U Moulded case circuit breaker
03/13/2013CN202796786U Breaker used for wiring
03/13/2013CN202796785U Circuit breaker
03/13/2013CN202796784U Contact status indicating mechanism for circuit breaker
03/13/2013CN202796783U Circuit breaker closing instruction device
03/13/2013CN202796782U Three-position indicating mechanism of drawer type circuit breaker
03/13/2013CN202796781U Breaker clamshell anti-electric shock structure
03/13/2013CN202796780U Top cover of drawing support for breaker
03/13/2013CN202796779U Breaker controller capable of adjusting electronic circuit-board dial
03/13/2013CN202796778U Intelligent integrated 10 kV breaker
03/13/2013CN202796777U Device for mounting circuit breaker terminal
03/13/2013CN202796776U Waterproof breaker cap
03/13/2013CN202796775U Electricity fetching device of circuit board
03/13/2013CN202796774U Outdoor high-voltage sulfur hexafluoride pot type breaker with heating device
03/13/2013CN202796773U Novel anti-lightning impulse hydraulic and electromagnetic breaker
03/13/2013CN202796772U 10kV rapid intelligent column breaker
03/13/2013CN202796707U Combined type insulated frame of vacuum circuit breaker
03/13/2013CN202796516U Circuit breaker switch-off buffering and limiting structure
03/13/2013CN102971821A Overload relay switch without springs
03/13/2013CN102969209A Automatic reclosing lock transmission mechanism
03/13/2013CN102969208A Improved magnetic core coupling in a current transformer with integrated magnetic actuator
03/13/2013CN102969207A OSM-type circuit breaker contact fitting
03/13/2013CN102969190A 电开关 Electric switch
03/13/2013CN102064055B Contact system of circuit breaker
03/13/2013CN101842864B Modular electric circuit breaker
03/13/2013CN101673929B A circuit breaker
03/13/2013CN101211724B Activation for switching apparatus
03/07/2013US20130057380 Protection device for circuit
03/07/2013DE19919949C5 Vorrichtung mit einem Sicherheitsschalter A device with a safety switch
03/07/2013DE102011082191A1 Insulation device for electrical insulation of electrical terminal of e.g. circuit breaking switch, has insulation cap formed with base body over hinge such that cap is movable relative to base body to enable access to screw if necessary
03/07/2013DE102011008833B4 Überstromauslöser und Installationsschaltgerät mit Überstromauslöser Overcurrent release and service switching device with overcurrent release
03/06/2013EP2565893A1 Movable contact-holder carriage and electrical switchgear provided with such a carriage
03/06/2013EP2565889A1 Electrical switchgear with high electrodynamic strength
03/06/2013EP2564407A1 Switching device with a heat extraction apparatus
03/06/2013CN202772090U Electric leakage protection moulded case circuit breaker
03/06/2013CN202772088U Lightning protection device capable of automatic release under overcurrent and overheat
03/06/2013CN202772083U Intelligent circuit breaker reset mechanism
03/06/2013CN202772082U Auxiliary switch applied to frame circuit breaker
03/06/2013CN202772081U Thermal electromagnetic system of miniature circuit breaker
03/06/2013CN202772080U Equipment circuit breaker in which oil cup is fixed reliably
03/06/2013CN202772079U Spring operating mechanism opening trip system
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