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)
12/2012
12/26/2012CN202633151U Breaker
12/26/2012CN202633150U Miniaturized 40.5kV vacuum breaker
12/26/2012CN202633149U Controllable tank body heating device for sulfur hexafluoride breaker
12/26/2012CN202633148U Electric operational mechanism
12/26/2012CN102844831A Retainer, vacuum interrupter, and electrical switching apparatus including same
12/26/2012CN102844830A Hybrid circuit breaker using a switch having return upon closure
12/26/2012CN102842457A 复合缓冲器 Composite buffer
12/26/2012CN102842456A Jet self-cooling epoxy resin fixation and encapsulation pole
12/26/2012CN102842455A Electrode assembly for vacuum interrupter
12/26/2012CN102024614B Breaker switch
12/26/2012CN101894702B Supporting piece used for high voltage vacuum circuit breaker
12/26/2012CN101807471B On-load tap-changer and no-arc transferring method of on-load tap-changer
12/26/2012CN101794971B Vacuum insulated switch gear
12/26/2012CN101627452B Energy accumulator for switchgear
12/25/2012US8338732 Spring operated actuator for an electrical switching apparatus
12/20/2012WO2012172703A1 Tank-shaped vacuum circuit breaker
12/20/2012WO2012171570A1 A switching device and a switchgear
12/20/2012WO2012171569A1 A switching device and a switchgear
12/20/2012WO2012171233A1 Moving contact component and electromagnetic isolation driving intelligent switch using moving contact component
12/20/2012DE112010005126T5 Elektromagnetisch betätigte Schaltvorrichtung Electromagnetically actuated switching device
12/19/2012CN202616136U Load switch for 40.5kV SF6 inflation ring main unit
12/19/2012CN202616135U Opening control loop of spring mechanism of 10kV vacuum circuit breaker
12/19/2012CN202616134U 12V permanent magnetism embedded pole type vacuum circuit breaker
12/19/2012CN202616133U Permanent magnetism embedded pole type vacuum circuit breaker
12/19/2012CN202616132U Surge controller-extractable outdoor vacuum breaker
12/19/2012CN202616131U Outdoor vacuum circuit breaker with adjustable no-load voltage ratio of current transformer
12/19/2012CN202616130U Portable vacuum air supplement unit of sulfur hexafluoride switches
12/19/2012CN202616129U Sulphur hexafluoride circuit breaker
12/19/2012CN102834888A Drive circuit for electromagnetic manipulation mechanism
12/19/2012CN102834887A Medium and high voltage electric switch having closing return and device for inserting a resistor
12/19/2012CN102832076A Full-insulated full-enclosed compact type outdoor vacuum circuit breaker
12/19/2012CN102832075A Double vacuum tube transition circuit of vacuum on-load tap-changer
12/19/2012CN102013356B Arc extinguish chambers of high voltage alternating current SF6 pot-type breaker
12/19/2012CN101958198B Three-station mechanism adopting double-turbine-worm mode
12/19/2012CN101958197B Three-station mechanism for realizing rapid tripping
12/19/2012CN101908435B Permanent magnet-operated vacuum circuit breaker
12/19/2012CN101847538B Electronic electromagnetic intelligent switch
12/19/2012CN101826414B Gas-insulated circuit breaker
12/19/2012CN101740272B Mechanical high-voltage circuit breaker with short circuit self-locking function
12/19/2012CN101521097B Composite vacuum arc-extinguishing on-load voltage regulation switch of power transformer
12/13/2012WO2012169346A1 Switch and switch gear
12/13/2012WO2012167818A1 Power switching apparatus
12/13/2012US20120312668 Electric switchgear
12/12/2012CN202601532U Insulating pull rod assembly
12/12/2012CN202601504U High-voltage vacuum load switch with vacuum monitoring sensor
12/12/2012CN202601503U Vacuum degree detecting system for vacuum circuit breaker
12/12/2012CN202601502U Outdoor high-voltage alternating current vacuum breaker
12/12/2012CN202601501U Monostable and monocoil permanent magnetic mechanism used in high-voltage vacuum contactor
12/12/2012CN202601500U Insulation barrel and main loop structure adopting same
12/12/2012CN202601499U Outdoor high-voltage vacuum demarcation load switch
12/12/2012CN202601498U Outdoor high voltage AC (Alternating Current) vacuum circuit breaker
12/12/2012CN202601497U Automatic recloser
12/12/2012CN202601496U Sulfur hexafluoride circuit breaker tank and sulfur hexafluoride circuit breaker using the same
12/12/2012CN202601495U High-voltage sulfur hexafluoride load switch insulating cover structure
12/12/2012CN202601494U Manual-operated energy storage device of sulfur hexafluoride breaker
12/12/2012CN202601395U Combined type vacuum switch
12/12/2012CN102822927A Electromagnetically operated mechanism, and manual opening and closing device of same
12/12/2012CN102820177A High voltage sulfur hexafluoride breaker and double acting transmission device thereof
12/12/2012CN102820176A Double acting high voltage sulfur hexafluoride breaker and double acting transmission device thereof
12/12/2012CN102820169A Low temperature circuit breaker body
12/12/2012CN102820168A Pull rod joint and transmission pull rod of arc extinguish chamber of high voltage circuit breaker with pull rod joint
12/12/2012CN102820167A Bistable electromagnetic actuator
12/12/2012CN102820166A Digital vacuum circuit breaker based on permanent magnetic actuation
12/12/2012CN102820165A Switching position detector for vacuum circuit breaker
12/12/2012CN102820164A Position detector for vacuum circuit breaker
12/12/2012CN102820163A Interlock apparatus for vacuum circuit breaker
12/12/2012CN102820162A Double-acting high-voltage sulfur hexafluoride circuit breaker and double-acting transmission device thereof
12/12/2012CN101847540B Vacuum insulating switch gear
12/12/2012CN101826413B High-pressure vacuum contactor
12/11/2012US8330068 Electrical switchgear unit comprising a complementary electrical function
12/11/2012CA2572987C Arc-extinguishing composition and articles manufactured therefrom
12/06/2012WO2012164764A1 Tank-type vacuum interrupter
12/06/2012WO2012164659A1 Vacuum interrupter
12/06/2012WO2012164215A1 Process for manufacturing a hollow body for composite electrical insulators and hollow body obtained with such a process
12/06/2012WO2012163561A1 Electric component for a high-voltage system
12/06/2012WO2012163068A1 Arc extinguishing chamber for circuit breaker
12/06/2012US20120306290 Method for controlling a current breaking device in a high-voltage electricity network
12/06/2012DE102011082438B3 Kontakt für eine Vakuumschaltröhre und Kontaktsystem Contact for a vacuum interrupter and contact system
12/05/2012EP2529459A2 Circuit breaker panel
12/05/2012CN202585240U Automatic vacuum-pumping high-voltage vacuum load switch
12/05/2012CN202585239U Vacuum circuit breaker
12/05/2012CN202585238U Permanent magnetic operating mechanism for vacuum circuit breaker
12/05/2012CN202585237U Intelligent high-voltage recloser
12/05/2012CN202585236U High-voltage vacuum circuit breaker
12/05/2012CN202585235U Multilayer screened structural vacuum arc extinguish chamber
12/05/2012CN202585234U Magnetic control safety switch
12/05/2012CN202585233U Low-voltage vacuum direct-current contactor
12/05/2012CN202585232U Permanent magnet alternating current vacuum contactor
12/05/2012CN202585231U High-voltage load switch capable of automatically adding sulfur hexafluoride
12/05/2012CN202585230U Protective casing of high-voltage sulfur hexafluoride load switch insulating cover
12/05/2012CN202585229U High-voltage sulfur hexafluoride load switch equipped with gas monitoring sensor
12/05/2012CN202585228U Intelligent high pressure outdoor switch
12/05/2012CN202585163U Spring operating mechanism for circuit breaker
12/05/2012CN202585162U Spring operating mechanism
12/05/2012CN102812531A Power Transfer Switch
12/05/2012CN102810429A Flexible structure of dynamic end conductive rod and insulating tension rod of vacuum arc-extinguishing chamber
12/05/2012CN102810428A Vacuum circuit breaker
12/05/2012CN102810427A Withdrawable device for vacuum circuit breaker
12/05/2012CN102810426A Combined type vacuum circuit breaker
12/05/2012CN102097248B Vacuum circuit breaker with electromotive force compensation circuit
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