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)
11/2012
11/13/2012US8309868 Miniature switch connector
11/07/2012CN202523632U Arc-extinction load switch and switch device
11/07/2012CN202523631U Circuit breaker arc extinguish chamber and static arc contact thereof
11/07/2012CN202523630U Electric opening and closing type demarcation load switch
11/07/2012CN202523629U Novel vacuum composite circuit breaker
11/07/2012CN202523628U Vacuum arc extinguish chamber of three-phase integral body
11/07/2012CN202523627U Vacuum circuit breaker with working experiment position
11/07/2012CN202523626U High-voltage vacuum circuit breaker with high safety
11/07/2012CN202523625U Main circuit section assembly of vacuum circuit breaker
11/07/2012CN202523624U On-post vacuum user demarcation load switch device
11/07/2012CN202523623U Switch with trigger
11/07/2012CN202523622U Electronic magnetic intelligent switch
11/07/2012CN202523621U Built-in voltage transformer structure of demarcation load switch
11/07/2012CN202523586U Permanent magnetic operating mechanism
11/07/2012CN102770933A Electric current switching apparatus
11/07/2012CN102770928A Electromagnetic actuator having magnetic coupling, and cutoff device comprising such actuator
11/07/2012CN102768918A Gas insulation load switch and horizontal beam of gas insulation load switch
11/07/2012CN101794676B Vacuum switch tube of electrode with external magnetism gathering rings
11/07/2012CN101752140B Tulip contacting device of vacuum circuit breaker
11/07/2012CN101702386B Major loop contact terminal of SF6 tank circuit breaker
11/07/2012CN101414527B Operating apparatus of switch
11/06/2012US8304679 Vacuum insulated switchgear
11/06/2012US8304678 Vacuum insulated switch-gear and its height adjusting method
11/06/2012US8304677 High voltage gas circuit breaker
11/06/2012US8304676 Gas insulated switchgear
11/01/2012WO2012146517A1 Switching device
11/01/2012US20120273464 Switching mechanism for gas insulated switchgear
10/2012
10/31/2012EP2518133A2 Grease for electrical contact and slide electricity structure, power switch, vacuum circuit breaker, vacuum-insulated switchgear assembling method
10/31/2012DE102006041782B4 Vakuumröhre und Verfahren zur Herstellung einer Vakuumröhre Vacuum tube and method for manufacturing a vacuum tube
10/31/2012CN202513103U Tripper module
10/31/2012CN202513101U Integrated upper outgoing line connecting body for high-voltage vacuum circuit breaker
10/31/2012CN202513074U Mini-type integrated upper bracket for high-voltage vacuum breaker
10/31/2012CN202513073U Insulation tube and main circuit structure employing same
10/31/2012CN202513072U Anti-leakage sulfur hexafluoride three-phase load switch for power transmission and distribution line
10/31/2012CN102763186A Vacuum valve and switchgear equipped with said vacuum valve
10/31/2012CN102760607A Pressure-operated load switch for gas-insulated ring main unit
10/31/2012CN101901717B Vacuum overcurrent fuse protecting device for high-voltage power supply system and low-voltage power supply system
10/31/2012CN101707161B Permanent magnet operating mechanism for 50 kA vacuum circuit breaker
10/30/2012US8299385 Valve for gas circuit breaker and gas circuit breaker with the same
10/30/2012US8299384 Gas insulation circuit breaker with structure for decreasing friction
10/30/2012CA2670907C Magnetizing inrush current suppression device and method for transformer
10/30/2012CA2664474C Switching controlgear of circuit breaker
10/26/2012WO2012144965A1 Bistable electromagnetic drive for a switching device
10/26/2012WO2012143213A1 Voltage converter for a switchgear
10/26/2012WO2012113704A3 Sub-module of a modular multi-stage converter
10/25/2012DE112010005149T5 Vakuum-schalter Vacuum switches
10/25/2012DE102011050695B3 Electrical plug connector, has mechanical locking or latch device detachable by applying predetermined separating force between plug and socket, where socket comprises electrical female contact point lying in socket contact region
10/24/2012EP2515316A1 Device for limiting the pressure inside a tank housing an electrical protection apparatus, and electrical protection apparatus comprising such a device.
10/24/2012EP2513937A1 Valve arrangement
10/24/2012EP2513935A1 Method for controlling an apparatus for switching current in a high-voltage power grid
10/24/2012EP2513933A1 Electromagnetic actuator having magnetic coupling, and cutoff device comprising such actuator
10/24/2012CN202502941U TCM monostable permanent magnetic mechanism
10/24/2012CN202502940U Monostable permanent magnetic mechanism
10/24/2012CN202502939U Remote controlled intelligent high voltage vacuum circuit breaker
10/24/2012CN202502938U Intelligent outdoor high-voltage permanent-magnet vacuum circuit breaker
10/24/2012CN202502937U Vacuum switch module for ring network unit
10/24/2012CN202502936U Driving unit applied in switching apparatus in gas-insulated or vacuum-insulated switching device
10/24/2012CN202502935U Spring contact finger conductive groove
10/24/2012CN202502896U Comprehensive instrument transformer
10/24/2012CN102754175A Vacuum bulb
10/24/2012CN102751132A Operating mechanism for vacuum circuit breaker
10/24/2012CN102751131A Novel longitudinal magnetic coil structure of vacuum arc extinguishing chamber
10/24/2012CN102751130A Intelligent vacuum circuit breaker
10/24/2012CN102751113A Manually-operated emergency opening device for circuit breaker outside door of high-tension switch cabinet
10/24/2012CN101354978B Wetness contact intelligence control power load switch
10/23/2012US8294057 Electrode for switch and vacuum switch, and method of manufacturing electrode for switch or vacuum switch
10/23/2012US8294056 Bushing terminal of vacuum circuit breaker and method thereof
10/23/2012US8294051 Device for preventing withdrawing and inserting of a circuit breaker
10/18/2012WO2012141860A1 Interrupter with voltage sensing on both load and source sides
10/18/2012WO2012139916A1 Electrical switching device
10/18/2012US20120261385 Gas circuit breaker
10/18/2012US20120261384 Interrupter with voltage sensing on both load and source sides
10/18/2012US20120261383 Circuit breaker arrangement
10/18/2012CA2830123A1 Interrupter with voltage sensing on both load and source sides
10/17/2012EP2511929A1 Switch having two sets of contact elements
10/17/2012EP2511928A1 Switch having two sets of contact elements and two drives
10/17/2012EP2511927A1 Switch having two sets of contact elements
10/17/2012EP2510604A1 Detecting an abnormality of a switch in a high voltage electrical substation
10/17/2012EP2510530A1 High-voltage circuit breaker with a removable screen for improving the field gradient
10/17/2012CN202495394U Circuit breaker, switch device and power transmission system
10/17/2012CN202495393U Modularized circuit breaker device
10/17/2012CN202495392U Permanent magnet demarcation vacuum circuit breaker
10/17/2012CN202495391U Indoor high-voltage vacuum circuit breaker operation mechanism
10/17/2012CN202495390U Protective cover for energy storage spring
10/17/2012CN202495389U Assembly-type breaker pole part
10/17/2012CN202495388U Solid sealed pole for indoor vacuum circuit breaker
10/17/2012CN202495387U Mounting structure of vacuum contactor
10/17/2012CN202495386U Solid sealed pole in 40.5kV voltage class
10/17/2012CN202495385U Solid sealed pole vacuum circuit breaker
10/17/2012CN202495384U Indoor side mounted solid sealed pole vacuum circuit breaker
10/17/2012CN202495383U Solid-sealed polar pole for vacuum circuit breaker
10/17/2012CN202495382U Double air chamber type vacuum load switch
10/17/2012CN202495381U Flexible connection component for solid-sealed polar pole
10/17/2012CN102741962A Circuit breaker arrangement
10/17/2012CN102738719A Maintenance device for vacuum circuit breaker
10/17/2012CN102738715A Novel high-voltage arc-free switching device and arc extinguishing method for same
10/17/2012CN102737906A Novel insulating pull rod of circuit breaker
10/17/2012CN102737905A Vacuum circuit breaker self-adaption operating mechanism with properties of permanent magnet and spring mechanism
10/17/2012CN102737904A Vacuum insulation breaking device
10/17/2012CN102737903A Modularized high-voltage vacuum contactor
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