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)
06/2010
06/16/2010CN101740259A Overmoulding for vacuum bulb
06/16/2010CN101000835B Operation mechanism of opening/closing device
06/15/2010US7739058 Condition-monitoring device and switch-control device provided with the same
06/10/2010WO2010064297A1 Electromagnetic contactor
06/10/2010US20100140225 Tulip contacting device for vacuum circuit breaker
06/09/2010EP2194556A1 High-speed closing switch in power distributor
06/09/2010CN201503826U Circuit breaker
06/09/2010CN201503825U Single pole of circuit breaker
06/09/2010CN201503811U Isolation load switch device of high-voltage circuit
06/09/2010CN201503810U Indoor high-voltage vacuum circuit breaker insulation pull rod
06/09/2010CN201503809U Insulation sleeve barrel used for 24 kV high-pressure vacuum fixed sealing electrode poles
06/09/2010CN201503808U Vacuum isolating phase-change switch provided with manual isolating switch
06/09/2010CN201503807U Vacuum isolated phase-changing switch circuit
06/09/2010CN201503806U Vacuum switch integral structure with visible isolating fracture
06/09/2010CN201503805U Load switch
06/09/2010CN201503804U High-voltage synchronous vacuum contactor
06/09/2010CN201503803U Controller for vacuum circuit breaker split-phase permanent magnetic mechanism
06/09/2010CN201503802U Indoor combined high-voltage vacuum circuit breaker
06/09/2010CN201503801U Gas generating arc-extinguishing device
06/09/2010CN101728783A Gas insulated circuit breaker system and gas insulated circuit breaker monitoring method
06/09/2010CN101728781A Solid isolated vacuum ring main unit
06/09/2010CN101728140A High voltage or ultra-high voltage high-current circuit breaker
06/09/2010CN101728119A Switching chamber for a high voltage circuit breaker and high voltage circuit breaker
06/09/2010CN101728118A Modified energy storage mechanism for high-pressure vacuum circuit breaker
06/09/2010CN101728117A Modified structure for switching-in spring of high-pressure vacuum circuit breaker
06/09/2010CN101728116A Modified connecting structure for connecting lever and spindle of high-pressure vacuum circuit breaker
06/09/2010CN101728115A A power line current interrupter having vacuum switch chamber
06/09/2010CN101728114A Light-operated modularization intelligent vacuum switch with phase-selecting function
06/09/2010CN101728112A A switching device, a switchgear provided therewith, and a method of operating a switching device
06/09/2010CN101728096A High- or medium-voltage electrical switching apparatus with two switches comprising driving means shared with the mobile contacts of the switches
06/09/2010CN101286636B Switching overvoltage absorption apparatus
06/09/2010CN101064226B Air blowing breaker
06/09/2010CN101000837B High voltage circuit breaker
06/08/2010US7732727 Heavy-duty circuit-breaker with sealing against hot gas
06/03/2010WO2010061785A1 Gas-insulated switching device
06/03/2010WO2010060790A1 Vacuum switch having fixed rail terminals on both sides
06/03/2010WO2010060476A1 High voltage direct current circuit breaker arrangement and method
06/03/2010US20100133914 Apparatus and method of controlling switch units, and battery pack and battery management apparatus comprising said apparatus
06/03/2010US20100133236 Installation switchgear having a device for mounting the same on a bus bar
06/02/2010EP2191921A2 Process for producing a copper-chromium contact element for medium-voltage switchgear assemblies, and contact element itself
06/02/2010EP2191488A1 Method for production of a pole part of a medium- voltage switching device, as well as the pole part itself
06/02/2010EP2191487A1 Method for producing a hollow cylindrical component, in particular a shielding for a vacuum switching tube, and vacuum switching tube
06/02/2010EP2191486A1 Tubular component usable as a shield in a vacuum switch tube and method for producing a tubular component usable as a shield in a vacuum switch tube
06/02/2010DE102007056597B4 Leistungsschalter mit Schaltgaskühlung Power switches with gas cooling
06/02/2010CN201498869U Vacuum ring main unit
06/02/2010CN201498430U Online vacuum degree monitoring device for vacuum circuit breaker
06/02/2010CN201498429U Connection fixing structure of circuit breaker insulation pull rod
06/02/2010CN201498428U Spring operating mechanism of high-voltage vacuum breaker
06/02/2010CN201498427U Low voltage vacuum circuit breaker provided with permanent magnetic actuator
06/02/2010CN201498426U sealed pole
06/02/2010CN201498425U Sealed pole and contact arm connecting structure
06/02/2010CN201494329U Outdoor sealing type vacuum modular electrical appliance of electrical railway
06/02/2010CN1691445B Gas-insulated switchgear device
06/02/2010CN101719432A Vacuum switching tube for protective circuit breaker of generator outlet
06/02/2010CN101206970B Outdoor high-voltage locking isolating switch on pole
06/02/2010CN101047077B Gas insulated switchgear
06/02/2010CN101015031B Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device
06/01/2010US7728247 Switching device
06/01/2010CA2529908C Electromagnetic relay
05/2010
05/27/2010WO2010058034A1 Overmoulding made of smc or bmc composite material for vacuum circuit-breaker pole
05/27/2010WO2010058025A1 Overmoulding for vacuum bulb
05/27/2010WO2010057619A2 Process for producing a contact element for medium-voltage switchgear assemblies, and also contact element itself
05/27/2010US20100126967 Switchgear and switchgear operating mechanism
05/27/2010US20100126966 Switchgear device for breaking a bidirectional direct current and installation with photovoltaic cells equipped with such a device
05/26/2010EP2189998A1 Generator switch arrangement
05/26/2010EP2188823A1 Insulating switching rod
05/26/2010EP2188822A1 High-voltage power switch having a switch for engaging a starting resistor
05/26/2010CN201490614U Inflatable full insulated metal-enclosed switchgear
05/26/2010CN201490123U Circuit breaker and system thereof
05/26/2010CN201490090U Buffering device for outdoor vacuum circuit breaker
05/26/2010CN201490089U Glass shell component of vacuum arc extinguish chamber
05/26/2010CN201490088U Indoor high-voltage vacuum circuit breaker
05/26/2010CN201490087U Indoor high-voltage vacuum breaker
05/26/2010CN201490086U Vacuum switch special for lamp sheets
05/26/2010CN201490085U Static cover plate of vacuum tube in vacuum circuit breaker and vacuum tube provided with same
05/26/2010CN201490084U Movable rod of vacuum tube in vacuum circuit breaker and vacuum tube provided with same
05/26/2010CN201490083U Novel corrugated pipe ring
05/26/2010CN201490082U High-voltage intelligent dual-supply mutual-throw switch
05/26/2010CN201490081U Lightning protection device of 10KV vacuum circuit breaker
05/26/2010CN201490080U High-voltage vacuum circuit breaker
05/26/2010CN201490079U Permanent magnetic 35KV vacuum circuit breaker
05/26/2010CN201490078U Conductor components of encapsulated pole units and medium-voltage circuit interrupter comprising components
05/26/2010CN201490077U Indoor sulfur hexafluoride load switch-fuse combined electric appliance
05/26/2010CN201490076U Indoor alternating current high voltage sulfur hexafluoride load switch
05/26/2010CN201484215U Outdoor sealed type 27.5kV vacuum modular electrical appliance of electrified railway
05/26/2010CN1819076B Bistable electromagnetic actuator
05/26/2010CN101714478A A contact structure of a vacuum valve and manufacture method thereof
05/26/2010CN101714477A Hydromechanical stored-energy spring mechanism
05/26/2010CN101714474A A mechanism for the synchronized operation of closing and opening of a switching device and a selector device in a switchgear
05/26/2010CN101714473A A gas circuit breaker for electricity
05/26/2010CN101090042B Power switching control apparatus
05/26/2010CN101055814B High voltage vacuum breaker
05/26/2010CN101017745B Universal operating mechanism of the load switch
05/25/2010US7723634 Contactor assembly with arc steering system
05/25/2010US7721428 Method for making an electrode assembly
05/25/2010CA2391667C Pressurized gas circuit breaker pole that can be assembled and disassembled with losing much gas
05/20/2010WO2010055827A1 Electromagnetic device
05/20/2010US20100122967 Vacuum switchgear
05/19/2010EP2187416A1 Vacuum switchgear
05/19/2010EP2186107A2 Circuit breaker with high speed mechanically-interlocked grounding switch
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