Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
04/2014
04/03/2014WO2014048747A1 Actuating device for a vacuum switching tube and separation arrangement
04/03/2014WO2014048716A1 Disconnecting assembly for a high-voltage direct-current network
04/03/2014WO2014048523A1 Quenching chamber of a medium-voltage switch disconnector
04/03/2014US20140091062 Switch
04/03/2014US20140091061 Arc suppression system and method
04/03/2014US20140091060 Arc suppression control and methods therefor
04/03/2014US20140091059 Arc suppressor, system, and method
04/03/2014DE112011105423T5 Elektromagnetische Betätigungsvorrichtung Electromagnetic actuator
04/02/2014EP2713383A1 Quenching chamber of a medium-voltage switch disconnector
04/02/2014CN203521998U Electric and hand-operated chassis clutch mechanism
04/02/2014CN203521299U Anti-breaking insulation pull rod for vacuum circuit breaker
04/02/2014CN203521298U Insulation pull rod for vacuum circuit breaker
04/02/2014CN203521297U Durable joint of insulation pull rod
04/02/2014CN203521296U Under-voltage and voltage-loss protective device for high-voltage vacuum circuit breaker
04/02/2014CN203521295U Four-bar linkage mechanism of centrally-arranged floor type vacuum circuit breaker
04/02/2014CN203521294U Switching on/off control mechanism of centrally disposed floor type vacuum circuit breaker
04/02/2014CN203521293U Automatic-switching central-positioned withdrawable-type vacuum circuit breaker
04/02/2014CN203521292U Buffer-type static contact structure for vacuum arc-extinguishing chamber
04/02/2014CN203521291U Load isolation switch shifting fork device
04/02/2014CN203521290U Low-resistance tulip contact and contact system for middle and high voltage vacuum circuit breakers
04/02/2014CN203521289U High-voltage vacuum arc-extinguishing chamber
04/02/2014CN203521288U AC high-voltage vacuum circuit breaker
04/02/2014CN203521287U Intelligent indoor high-voltage vacuum circuit breaker
04/02/2014CN203521286U Central-positioned indoor high-voltage vacuum circuit breaker
04/02/2014CN203521285U Integrated upper outlet connector for high voltage vacuum circuit breaker
04/02/2014CN203521284U Upper outlet seat connector for high voltage vacuum circuit breaker
04/02/2014CN203521283U Vacuum-switch wiring structure
04/02/2014CN203521282U Cast-aluminum casing used for high-voltage SF6 circuit breaker
04/02/2014CN203521281U SF6 breaker air inflating device
04/02/2014CN203521280U Fully-enclosed knife switch protecting shell
04/02/2014CN203521242U Current aging technical device for vacuum arc-extinguishing chamber
04/02/2014CN203521220U Insulating pull rod for voltage sensing device of intelligent user boundary breaker
04/02/2014CN103703533A Gas circuit breaker
04/02/2014CN103703530A Power distribution switchgear circuit breaker
04/02/2014CN103700539A Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet
04/02/2014CN103700538A Vacuum circuit breaker
04/02/2014CN103700537A Indoor high voltage vacuum circuit breaker
04/02/2014CN102412089B Device for measuring vacuum degree of vacuum arc extinguish chamber with built-in cold cathode gauge
04/02/2014CN102356447B Gas-insulated vacuum breaker
04/02/2014CN102138261B Gas-insulated device
04/02/2014CN102017039B Heat dissipating means for circuit-breaker and circuit-breaker with such heat dissipating means
04/02/2014CN101930870B Three-phase three-station cable-isolating connector fully-shielded vacuum breaker
04/01/2014US8686311 Breaking device with arc breaking shield
04/01/2014CA2722212C Breaker
04/01/2014CA2714794C Variable frequency drive with dielectric fluid-immersed transformer
04/01/2014CA2642323C High-voltage circuit breaker
03/2014
03/27/2014WO2014045693A1 Gas-insulated switchgear
03/27/2014WO2014045611A1 Resin molded bushing and switch
03/27/2014WO2014044023A1 High-voltage circuit breaker and actuator mechanism thereof
03/27/2014US20140083832 Gas insulated switchgear
03/27/2014DE102012217583A1 Stellvorrichtung für eine Vakuumschaltröhre und Trennanordnung Actuating device for a vacuum interrupter and isolator assembly
03/27/2014DE102012216974A1 Device for transmitting forces to movement contact terminal studs of switching device e.g. vacuum switching tube, has contact terminal stud into which electromagnetic force is introduced to support opening operation of switching device
03/26/2014EP2711951A1 Device for cutting an electric circuit comprising an electric signalling means
03/26/2014CN203504045U Flame-proof-type high-voltage vacuum power distribution equipment used in mine
03/26/2014CN203503547U 10kV transformer substation vacuum circuit breaker closing control circuit
03/26/2014CN203503546U Microswitch novel installation structure
03/26/2014CN203503545U Fast connecting device of permanent magnet circuit breaker
03/26/2014CN203503544U Buffer-type vacuum explosion chamber
03/26/2014CN203503543U Shielding cylinder fixing mode of vacuum arc extinguish chamber
03/26/2014CN203503542U Double-break tank vacuum circuit breaker
03/26/2014CN203503541U Porcelain bushing installation seat
03/26/2014CN203503540U Porcelain sleeve of high voltage breaker
03/26/2014CN203503539U External machinery hand-operated opening device and permanent magnetism driving mechanism
03/26/2014CN103688430A Tank-type breaker
03/26/2014CN103681098A Circuit breaker with isolation stations and switchgear utilizing circuit breaker
03/26/2014CN103681097A Encapsulated circuit breaker and method for producing the same
03/26/2014CN103681096A Mutual inductor centrally mounted integrated outdoor high voltage vacuum circuit breaker
03/26/2014CN103681095A Outdoor high voltage solid-sealed polar pole vacuum circuit breaker or recloser
03/26/2014CN103681094A Vacuum circuit breaker control circuit and system
03/26/2014CN103681093A Outdoor solid insulation switch
03/26/2014CN103681092A Solid insulation isolation earthing switch device and fixing and encapsulating device thereof
03/26/2014CN103681091A Vacuum switch contact wear indicating mechanism
03/26/2014CN103681090A Quick vacuum circuit breaker
03/26/2014CN103681089A Circuit breaker
03/26/2014CN103681088A Intelligent branching and demarcating vacuum circuit breaker
03/26/2014CN103681087A Intelligent branching and demarcating vacuum circuit breaker complete device and protection method thereof
03/26/2014CN103681086A Controller of intelligent branching and demarcating vacuum circuit breaker
03/26/2014CN103681085A Gas circuit breaker
03/26/2014CN103681084A Arc extinguishing chamber for inflating cabinet
03/26/2014CN103681083A High-voltage and direct-current quick disconnecting switch
03/26/2014CN103681016A Electrical Contacts, Manufacturing Methods Thereof, Electrodes, Vacuum Interrupters, and Electric Power Switches
03/26/2014CN103165342B Intelligent controller for split phase type quick permanent magnet vacuum circuit breaker
03/26/2014CN102360987B Tank type high-pressure vacuum circuit breaker
03/25/2014US8680421 Encapsulated switchgear
03/25/2014US8680420 Mechanical means to redirect internal arc location
03/25/2014CA2665446C Switching control system of circuit breaker
03/20/2014WO2014043060A1 Telescoping current path structure for dual tank dead tank circuit breaker with parallel resistor assembly
03/20/2014WO2014041857A1 Gas-insulated switchgear
03/20/2014US20140079584 Contact material for vacuum interrupter, and method of making a contact material
03/20/2014US20140078648 Gas insulated switchgear
03/20/2014US20140078622 Circuit breakers
03/20/2014US20140076853 Telescoping Current Path Structure For Dual Tank Dead Tank Circuit Breaker With Parallel Resistor Assembly
03/20/2014US20140076851 Electromagnetic operating device
03/20/2014DE102012212509B4 Schutzschalter zum Schutz von elektrischen Bauteilen vor einem Überstrom mittels explosiver Trennladung Circuit breaker to protect electrical components from an overcurrent by an explosive charge separation
03/19/2014EP2709132A2 Electrical contacts, manufacturing method thereof, electrode, vacuum interrupter, and electric power switches
03/19/2014EP2709127A1 Bellows and method for manufacturing same
03/19/2014EP2707891A1 Double-motion gas insulated type circuit breaker
03/19/2014EP2707888A1 Switching device
03/19/2014CN203491589U Load switch of inflatable switchgear
03/19/2014CN203491185U Vacuum degree on-line monitoring system of vacuum circuit breaker
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