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)
10/2012
10/17/2012CN102737902A Vacuum circuit breaker and electric locomotive
10/17/2012CN102737870A Circuit breaker operation mechanism
10/16/2012US8288674 Winding for a contact of a medium-voltage vacuum circuit-breaker with improved endurance, and an associated circuit-breaker or vacuum circuit-breaker, such as an AC generator disconnector circuit-breaker
10/11/2012WO2012136423A1 Tap changer and vacuum interrupter for such a tap changer
10/11/2012DE102011109210B3 Differentialzylinder für einen hydromechanischen Antrieb für elektrische Leistungsschalter Differential cylinder for a hydro-mechanical drive for electric power switch
10/11/2012DE102011017815B3 Schaltgerät Switchgear
10/11/2012DE102011007103A1 Elektrisches Schaltgerät Electrical switching apparatus
10/10/2012EP2507811A1 Circuit breaker arrangement
10/10/2012CN202487493U Vacuum circuit breaker with permanent magnet operating mechanism
10/10/2012CN202487492U Vacuum breaker and spring operating mechanism thereof
10/10/2012CN202487491U Intelligent low-voltage vacuum circuit breaker for permanent-magnet mechanism
10/10/2012CN202487490U Separating brake pinch plate assembly of spring operation mechanism of high voltage vacuum circuit breaker
10/10/2012CN202487489U Indoor high-voltage vacuum circuit breaker operating mechanism with heat radiation device
10/10/2012CN202487488U Vacuum circuit breaker of permanent magnet mechanism
10/10/2012CN202487487U Pilot switch of operating mechanism of vacuum circuit breaker
10/10/2012CN202487486U Built-in heat radiator of circuit breaker polar column and corresponding assembly type polar column
10/10/2012CN202487485U Terminal post of vacuum circuit breaker
10/10/2012CN202487484U Indoor high pressure vacuum breaker
10/10/2012CN202487483U Bi-modular-mechanism vacuum circuit breaker
10/10/2012CN202487482U High-voltage grounding switch arc ignition apparatus
10/10/2012CN202487481U Outdoor high-voltage alternating current porcelain column by-pass switch
10/10/2012CN102725811A 真空开关管 Vacuum switch
10/10/2012CN102725810A High-voltage circuit breaker with a removable screen for improving the field gradient
10/10/2012CN102723230A Arc extinguish chamber for sulfur hexafluoride circuit-breaker
10/10/2012CN102723229A Manual operation mechanism of outdoor permanent magnetic high-voltage vacuum circuit breaker
10/10/2012CN102723228A Spring operation mechanism of high-voltage vacuum circuit breaker
10/10/2012CN102723227A Vacuum circuit breaker mechanical transmission structure with small switch-on oscillation
10/10/2012CN102723226A Vacuum circuit breaker
10/10/2012CN102723225A Vacuum overload protector
10/10/2012CN102723224A Load switch for 10kV charging cabinet
10/10/2012CN102110954B High-capacity upper and lower isolated solid switch cabinet
10/10/2012CN101946288B Weakly conducting nozzle for a gas circuit breaker and PTFE based material therefore
10/10/2012CN101714473B A gas circuit breaker for electricity
10/10/2012CN101595545B Interrupter tube with field distribution cylinder for high- or medium-voltage circuit breakers
10/10/2012CN101006539B Large power switch
10/09/2012US8283590 Vacuum circuit breaker
10/03/2012CN202473739U Permanent-magnet control mechanism for indoor high-pressure vacuum circuit breaker
10/03/2012CN202473738U Shutter device for vacuum circuit breaker
10/03/2012CN202473737U Drive board for vacuum contactor
10/03/2012CN202473736U Breaker motion arm
10/03/2012CN202473735U Contactor driving structure
10/03/2012CN202473734U Embedded pole unit for solid insulated switchgear
10/03/2012CN202473733U Embedded pole of vacuum switch
10/03/2012CN202473732U Miniaturized three-phase high-pressure vacuum load switch
10/03/2012CN202473731U Seal pole of indoor high-voltage vacuum circuit breaker
10/03/2012CN202473730U Integrated connecting terminal device for radiator
10/03/2012CN202473729U Mining vacuum feed switch power circuit
10/03/2012CN202473728U Vacuum circuit breaker on outdoor post
10/03/2012CN202473727U Vacuum overload protector
10/03/2012CN202473726U Outdoor high voltage AC vacuum recloser
10/03/2012CN202473725U Isolating switch for electrolyte purification of copper plant
10/03/2012CN202473645U Hand-operated energy storage transmission mechanism
10/03/2012CN202473644U Dual-suction surface unicoil monostable permanent magnet mechanism
10/03/2012CN202473643U Tenon buckle type permanent magnet mechanism coil fixed structure
10/03/2012CN202473642U Bistable dissymmetrical permanent magnet operating mechanism
10/03/2012CN202473641U Permanent-magnet mechanism
10/03/2012CN102714402A Gas insulated switchgear
10/03/2012CN102714112A Gas circuit breaker
10/03/2012CN102714111A Vacuum valve
10/03/2012CN102714110A Medium voltage circuit breaker
10/03/2012CN102714109A Magnetic actuator unit for a circuit-breaker arrangement
10/03/2012CN102714108A Arc chamber for a circuit breaker and circuit breaker having an arc chamber
10/03/2012CN102714101A Method and apparatus for determination of wear to a contact element
10/03/2012CN102709106A Vacuum arc extinction change-over selector
10/03/2012CN102709105A Contact for vacuum interrupter
10/03/2012CN102709104A Controllable tank heater of SF6 circuit breaker
10/03/2012CN102709079A Spring operating mechanism
10/03/2012CN101969007B Dual-power high-voltage vacuum circuit breaker
10/03/2012CN101814400B Automatic high-voltage circuit breaker
10/03/2012CN101266895B High-current filling encapsulation pole for breaker
10/02/2012US8278582 Heat dissipating means for circuit-breaker and circuit-breaker with such a heat dissipating means
10/02/2012CA2471358C Solder ring for production of vacuum tube and method for the production of such a solder ring; and of a vacuum tube
09/2012
09/27/2012WO2012127313A1 Contact member including purposely introduced undulations and vacuum interrupter including the same
09/27/2012WO2012127071A1 Integral vacuum (electrical) circuit breaker
09/27/2012WO2012126912A1 Vacuum interrupter and switch pole
09/27/2012WO2012126779A1 Breaker pole for a switchgear
09/27/2012WO2012126714A1 Switch for a transmission path for high-voltage direct current
09/27/2012US20120241413 Contact member including purposely introduced undulations and vacuum interrupter including the same
09/27/2012CA2830764A1 Vacuum interrupter and switch pole
09/27/2012CA2830763A1 Switch for a transmission path for high-voltage direct current
09/26/2012EP2501942A1 Valve arrangement
09/26/2012CN202454490U Breaker for realizing on-line monitoring of vacuum degree of vacuum explosion chamber
09/26/2012CN202454489U Permanent-magnet high-voltage vacuum circuit breaker
09/26/2012CN202454488U Insulating pull rod for three-position vacuum arc extinguishing chamber
09/26/2012CN202454487U Permanent magnet operating circuit breaker device
09/26/2012CN202454486U Vacuum breaker with closing retaining device
09/26/2012CN202454485U Rigid power transmission device
09/26/2012CN202454484U Low-bouncing solid-sealed polar pole
09/26/2012CN202454483U Indoor high-alternating-voltage vacuum circuit breaker
09/26/2012CN202454482U Vacuum insulation breaker
09/26/2012CN202454481U Three-phase linkage structure of circuit breaker
09/26/2012CN202454480U Arc extinguish chamber structure for circuit breaker
09/26/2012CN202454479U 1100kV extra-high-voltage series-compensation by-pass switch
09/26/2012CN102696086A Use of specific composite materials as extinguishing material for electric arcing in electric apparatuses
09/26/2012CN102693864A Door lock apparatus and circuit breaker
09/26/2012CN101609753B Arc-extinguishing commutation switch and manufacture method thereof
09/26/2012CN101582346B Insulator type gas circuit-breaker
09/26/2012CN101364715B Three-phase switching device in metal casing with reduced dimensions and phase transmission forces
09/25/2012US8274007 Magnet interrupter for high voltage switching
09/20/2012WO2012124874A1 Gas insulated switchgear
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