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)
02/2014
02/26/2014CN203456374U Adjustable auxiliary striking plate for vacuum contactor
02/26/2014CN203456373U Spring operation mechanism with double closed positions
02/26/2014CN203456372U Vacuum switch operation button anti-collision apparatus
02/26/2014CN203456371U Vacuum contactor with dust cover
02/26/2014CN203456370U Reinforced vacuum contactor
02/26/2014CN203456369U Fixedly-sealed type vacuum circuit breaker
02/26/2014CN203456368U High voltage isolator with arc extinguishing chamber
02/26/2014CN203456367U Arc extinguishing chamber used for high voltage isolator
02/26/2014CN203456366U Novel three-position switch
02/26/2014CN103608885A Magnetizing inrush current suppression device
02/26/2014CN103608884A A switching device and a switchgear
02/26/2014CN103608883A A switching device and a switchgear
02/26/2014CN103606483A Vacuum degree monitoring device for high voltage vacuum circuit breaker arc extinguish chamber
02/26/2014CN103606482A Double-switching-on position spring operation mechanism
02/26/2014CN103606481A Metal closed solid insulation pole-mounted vacuum switch
02/26/2014CN102436960B Heating device of sulfur hexafluoride used in low-temperature areas
02/26/2014CN102024611B Three-position disconnecting switch
02/26/2014CN101866765B Main circuit assembling method for medium-voltage circuit interrupter
02/25/2014US8658933 Switching device with a vacuum interrupter chamber
02/25/2014US8658932 Device for detecting vacuum loss in a vacuum breaking apparatus and vacuum breaking apparatus comprising one such device
02/25/2014US8658931 Three phase vacuum interrupter switch for high voltage distribution systems
02/25/2014US8658930 Embedded pole part with an isolating housing made of thermoplastic material
02/20/2014WO2014028313A1 Vacuum interrupter and linear disconnect switch
02/20/2014US20140048514 Contact assembly and vacuum switch including the same
02/20/2014US20140048513 Circuit breaker
02/20/2014DE102012015247A1 Switching chamber assembly for circuit breaker in switching device, has side walls, which are partially made with material in chamber areas on contact points assigning inner wall, where material is provided to support deletion of arcs
02/20/2014DE102009012145B4 Verfahren zur Herstellung von Bauteilen, sowie Bauteile selbst A process for the production of components, as well as components themselves
02/19/2014EP2698803A1 A circuit breaker
02/19/2014EP2698791A1 Dielectric compound containing nanoparticles
02/19/2014CN203445055U Over-travel adjusting mechanism for breaker contact
02/19/2014CN203445054U Single-fracture vacuum single-busbar combination electric appliance
02/19/2014CN203445053U Double-fracture vacuum double-busbar combination electric appliance
02/19/2014CN203445052U Single-fracture vacuum double-busbar combination electric appliance
02/19/2014CN203445051U Double-fracture vacuum single-busbar combination electric appliance
02/19/2014CN203445050U 真空开关管 Vacuum switch
02/19/2014CN203445049U Permanent-magnetism operating mechanism built in solid insulated RMU (Ring Main Unit)
02/19/2014CN103597565A Mixture of decafluoro-2-methylbutan-3-one and a vector gas as a medium for the electric insulation and/or quenching of medium-voltage electric arcs
02/19/2014CN103594280A Novel composite contact vacuum arc-extinguishing chamber and vacuum circuit breaker with same
02/19/2014CN103594279A Low-voltage vacuum energy-saving normally-open direct-current contactor
02/19/2014CN103594278A Sulfur-hexafluoride load switch
02/19/2014CN103594277A Gas supplementing device used in operation process of gas insulated switchgear (GIS)
02/19/2014CN103594276A Gas intelligent compensation device of sulfur hexafluoride breaker
02/19/2014CN102420073B Bidirectional load insulating draw bar
02/19/2014CN102347168B Low-voltage intelligent circuit breaker with plastic shell
02/19/2014CN102243937B 真空断续器 Vacuum interrupter
02/19/2014CN102013642B Vacuum insulated switchgear
02/19/2014CN101111914B Method for producing a contact piece, and corresponding contact piece for a vacuum interrupter chamber
02/18/2014US8653398 Electrical device with a multi-chamber housing
02/18/2014US8653397 Contact apparatus for circuit breaker
02/18/2014US8653396 Vacuum switch and hybrid switch assembly therefor
02/18/2014US8653395 Circuit breaker with two aligned breaker chambers, a common transmission, and reduced size
02/13/2014DE112011105289T5 Vakuum-Trennschalter vom Behältertyp Vacuum circuit breaker tank type
02/12/2014EP2696361A1 Gas-insulated disconnector with shield
02/12/2014EP2695177A1 Tap changer and vacuum interrupter for such a tap changer
02/12/2014CN203434082U Vacuum circuit breaker
02/12/2014CN203434081U Gas production type load switch
02/12/2014CN203434080U Outdoor high voltage vacuum circuit breaker
02/12/2014CN203434079U High-voltage vacuum circuit breaker provided with angular displacement sensor
02/12/2014CN203434078U Contact arm sealing ring
02/12/2014CN203434077U Three-pole sulfur hexafluoride breaker
02/12/2014CN203434076U Heating device of SF6 circuit breaker
02/12/2014CN203434014U Hydraulic spring operating device for opening and closing operations of high-voltage breaker
02/12/2014CN103578847A SF6 blowing type arc extinguishing device
02/12/2014CN103578846A Vacuum comparison device for measuring arc extinguish chamber vacuum degree
02/12/2014CN103578845A Breaker with detachable cleaning device
02/12/2014CN103578844A High-voltage circuit-breaker motor operating mechanism control device based on angular displacement controlling
02/12/2014CN103578843A Non-reignition disconnector
02/12/2014CN103578842A Synchronous multistage breaker
02/11/2014US8648274 Arc resistant electrical enclosure
02/11/2014US8648273 Switching installation with arc protection and arc protection method
02/06/2014WO2014020621A1 Disconnector for high voltage
02/06/2014WO2014019303A1 Outdoor vacuum circuit breaker
02/06/2014US20140034613 Photovoltaic switchgear with sacrificial fuse
02/05/2014CN203423122U Vacuum breaker isolation knife switch operation hand shank
02/05/2014CN203423121U High-voltage vacuum circuit breaker closing and opening device
02/05/2014CN203423120U Static contact apparatus, breaker and high-voltage switchgear
02/05/2014CN203423119U Modular spring operation mechanism
02/05/2014CN203423118U Circuit breaker operating mechanism and force-reducing switching-on holding device thereof
02/05/2014CN203423117U Longitudinal magnetic field arc control device
02/05/2014CN203423116U Guide rail-type modular isolation switch
02/05/2014CN203423079U On-load tap-changer load selector
02/05/2014CN103563194A Tank-type vacuum interrupter
02/05/2014CN103563036A Vacuum breaker
02/05/2014CN103563026A Bellows and method for manufacturing same
02/05/2014CN103563013A Electric component for a high-voltage system
02/05/2014CN103560047A Vacuum arc-extinguishing chamber vacuum degree on-line detecting device
02/05/2014CN103560046A Spring energy storage mechanism of vacuum load switch
02/05/2014CN103560045A Arc extinguishing chamber with hydrogen serving as arc extinguishing medium
02/05/2014CN103560044A Capacitor bank switching vacuum circuit breaker
02/05/2014CN103560043A Isolation switch structure
02/05/2014CN103560042A High voltage DC circuit breaker device and method
02/05/2014CN103560041A High-power sulfur hexafluoride recovery recharging device
02/05/2014CN103560040A Permanent magnetic operating mechanism of intelligent circuit breaker
02/05/2014CN103560039A High-voltage breaker permanent magnet salient pole motor operation mechanism and control method
02/05/2014CN103560038A Spring energy storage device of hydraulic spring operating mechanism
02/05/2014CN103560037A Load disconnecting switch
02/05/2014CN103560025A Limiting buffer device and alternating-current high-voltage vacuum circuit breaker mechanism with same
02/05/2014CN102184796B Composite post insulator with vacuum arc extinguish chamber for high-voltage device
02/04/2014US8642913 Electrical switching apparatus, and arc chute and venting assembly therefor
02/04/2014US8642912 Vacuum circuit breaker
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