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
12/05/2012CN101807487B Permanent magnet high-voltage vacuum circuit breaker
12/05/2012CN101770877B Operating device
12/05/2012CN101496123B Insulating nozzle, comprising a first material and a second material
12/05/2012CN101331572B Load interrupter for an encapsulated switchgear and permanent magnet system for a load interrupter
12/04/2012US8325467 Method and apparatus to reduce internal pressure caused by an arcing fault in an electrical enclosure
12/04/2012US8324521 Bellows for use in vacuum interrupters
11/2012
11/29/2012WO2012160158A1 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
11/29/2012WO2012160155A1 Mixture of decafluoro-2-methylbutan-3-one and a vector gas as a medium for the electric insulation and/or quenching of high-voltage electric arcs
11/29/2012WO2012160126A1 Method for controlling the heating means of an electrical appliance
11/29/2012WO2012159675A1 Vacuum interrupter
11/29/2012WO2012159669A1 Vacuum interrupter
11/29/2012US20120299393 Device and method to break the current of a power transmission or distribution line and current limiting arrangement
11/29/2012US20120298627 Electrical switching apparatus, and arc chute and venting assembly therefor
11/29/2012DE112010004166T5 Vakuum-Leistungstrenner vom Behältertyp Vacuum circuit interrupter tank type
11/29/2012DE112010002675T5 Kondensatorkapazitäts-Diagnoseeinrichtung und mit Kondensatorkapazitäts-Diagnoseeinrichtung ausgestattete elektrische Stromversorgungsvorrichtung Capacitor capacitance diagnostic device and equipped with condenser capacity diagnosis means electric power supply device
11/29/2012DE102011109227B3 Differentialzylinder für einen hydromechanischen Antrieb für elektrische Leistungsschalter Differential cylinder for a hydro-mechanical drive for electric power switch
11/29/2012DE102011103007A1 Driving apparatus for operating movable contact piece of electrical high-voltage power switch, has storage spring and mechanical switching-off spring arranged at sides of piston cylinder arrangement
11/29/2012CA2834411A1 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
11/28/2012EP2528078A1 Isolating circuits for overhead wires
11/28/2012EP2526560A1 Vacuum switch tube
11/28/2012CN202564126U 10kV grounding fault direction judging high-voltage vacuum circuit breaker
11/28/2012CN202564125U Vacuum circuit breaker
11/28/2012CN202564124U Static contact device of low impedance and high voltage isolation switch
11/28/2012CN102804314A Low-frequency breaker
11/28/2012CN102804313A Gas insulated switchgear
11/28/2012CN102804312A Mechanical actuating device for three-position disconnector
11/28/2012CN102804311A High-voltage arrangement
11/28/2012CN102800524A Solid-sealed polar pole with engineering plastic insulating casing
11/28/2012CN102800523A Solid-sealed polar pole realizing on-line monitoring of vacuum degree
11/28/2012CN102800522A Outdoor vacuum circuit breaker
11/27/2012US8319137 Vacuum switch tube
11/27/2012US8319136 Arcing fault and arc flash protection system having a high-speed switch
11/24/2012CA2777279A1 Electrical switching apparatus, and arc chute and venting assembly therefor
11/22/2012WO2012157820A1 Gas insulated switchgear
11/22/2012WO2012157819A1 Gas insulated switchgear
11/22/2012WO2012157397A1 Bellows and method for manufacturing same
11/22/2012WO2012157138A1 Tank-type switching device
11/22/2012WO2012157134A1 Device for detecting deterioration in degree of vacuum of hermetic opening and closing device
11/22/2012WO2012157081A1 Gas circuit breaker
11/22/2012WO2012156184A1 Electrical component
11/22/2012WO2012155952A1 Double-motion gas insulated type circuit breaker
11/22/2012US20120292291 Arc chamber for a circuit breaker and circuit breaker having an arc chamber
11/22/2012DE112009005331T5 Elektromagnetvorrichtung und Schaltvorrichtung, die eine Elektromagnetvorrichtung verwendet Electro-magnetic device and control apparatus that uses a solenoid device
11/21/2012EP2525455A1 Gas insulated switchgear
11/21/2012EP2525380A1 Inrush current alleviating device and inrush current alleviating method
11/21/2012EP2524386A1 Arc chamber for a circuit breaker and circuit breaker having an arc chamber
11/21/2012CN202550941U Mining vacuum electromagnetic starter
11/21/2012CN202549707U Main crank arm used for outdoor high-voltage vacuum circuit breaker
11/21/2012CN202549706U Spring operating mechanism and vacuum circuit breaker
11/21/2012CN202549705U Vacuum circuit breaker
11/21/2012CN202549704U Phase change vacuum contactor for mining
11/21/2012CN202549703U Sealing protective cap
11/21/2012CN202549702U High-voltage vacuum circuit breaker with self operational power supply
11/21/2012CN202549701U Arm touching sleeve pipe
11/21/2012CN202549700U Miniaturized electric conduction structure
11/21/2012CN202549699U Switch circuit breaker
11/21/2012CN202549698U Electrical permanent magnet vacuum contactor for locomotive
11/21/2012CN202549697U Insulating sleeve type pole
11/21/2012CN202549696U Mining explosion-proof vacuum electromagnetic starter
11/21/2012CN202549695U Improved pole of vacuum circuit breaker and extension structure thereof
11/21/2012CN202549694U Interlocking mechanism of high-voltage vacuum breaker
11/21/2012CN202549693U 252 kV arc-extinguishing chamber elastic guiding device
11/21/2012CN102792407A Method for controlling an apparatus for switching current in a high-voltage power grid
11/21/2012CN102789926A External shielding closed-type insulating base for high-pressure vacuum switch
11/21/2012CN102789925A Sealing pole of vacuum breaker on outdoor column
11/21/2012CN102789924A Intelligent outdoor on-pole vacuum circuit breaker
11/21/2012CN102789923A Vacuum circuit breaker on outdoor intelligent dual-loop column
11/21/2012CN102789922A SMC1 high-pressure load switch
11/21/2012CN102789921A High-efficiency large-diameter main contact transmission mechanism
11/21/2012CN102789920A Breaker interelectrode connecting device and breaker using same
11/21/2012CN102789910A Grease for electrical contact and slide electricity structure, power switch, vacuum circuit breaker, vacuum-insulated switchgear assembling method
11/21/2012CN101930871B Arc extinguish chamber with high current-carrying capability for high-voltage switch equipment
11/21/2012CN101710545B Horizontal vacuum circuit breaker for high-voltage alternating current generator
11/20/2012US8314517 Electric timer for controlling power to a load
11/20/2012US8314355 Gas insulated breaking device
11/15/2012US20120285806 Switching device and related switchgear
11/15/2012DE112010005162T5 Vakuum-leistungsschalter Vacuum switches
11/15/2012DE102011081893B3 Magnetischer Aktor und Verfahren zu dessen Betrieb Magnetic actuator and method of operating
11/15/2012DE102011080136B3 Lichtbogenfreiraum für Schaltanlagen Arc space for switchgear
11/15/2012DE102011078659B3 Antrieb für ein Schaltgerät Drive for a switching device
11/15/2012DE102011078049B3 Spannvorrichtung Chuck
11/15/2012DE102011075786A1 Elektrisches Bauelement Electrical component
11/14/2012EP2523205A1 Circuit and method for interrupting a current flow in a DC current path
11/14/2012EP2523204A1 Circuit arrangement and method for interrupting a current flow in a DC current path
11/14/2012CN202534938U High-voltage distribution switch with built-in three-phase combined electronic current and voltage mutual inductor
11/14/2012CN202534585U Vacuum circuit breaker
11/14/2012CN202534584U Mining explosion-proof vacuum feed switch
11/14/2012CN202534583U Vacuum circuit breaker
11/14/2012CN202534582U Embedded pole of built-in voltage sensor
11/14/2012CN202534581U Electromagnet protection device for vacuum circuit breaker
11/14/2012CN202534580U Vacuum switch reignition limiter
11/14/2012CN102782792A Hybrid extinction-type gas circuit breaker for a gas insulated switchgear
11/14/2012CN102782791A Drive arrangement of a circuit breaker
11/14/2012CN102780172A Solid-insulated closing assembly for high-voltage alternating-current vacuum switch cabinet
11/14/2012CN102779682A Vacuum circuit breaker
11/14/2012CN102779681A Method for operating vacuum circuit breaker
11/14/2012CN102779680A Solid-sealed polar pole with internally casting current transformer
11/14/2012CN101809702B Method for producing a hollow cylindrical component, in particular a shielding for a vacuum switching tube, and vacuum switching tube
11/14/2012CN101584013B Pole for a gas-insulated high-voltage switch and method for producing a switch pole of this type
11/13/2012US8309872 Insulating switching rod
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