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)
09/2012
09/20/2012WO2012124474A1 Inrush-current suppression device
09/20/2012WO2012123032A1 Gas-insulated high-voltage circuit breaker
09/20/2012US20120234796 hvdc breaker and control apparatus for controlling an hvdc breaker
09/20/2012US20120234795 Method of manufacturing a current terminal for embedded pole part, and pole part itself
09/19/2012CN202443906U Quick permanent-magnetic double-power selector switch used in low-voltage distribution environment
09/19/2012CN202443905U Intelligent tripping mechanism of pole top switch
09/19/2012CN202443904U High voltage vacuum switch arc-extinguishing chamber opening or closing mechanism
09/19/2012CN202443903U Non-conductor maintenance cover for outdoor high-voltage vacuum circuit breaker
09/19/2012CN202443902U Control unit for vacuum circuit breaker
09/19/2012CN202443901U Vacuum contactor synchronous adjusting device
09/19/2012CN202443900U Working cylinder with integrated control valve and high-power hydraulic spring operating mechanism
09/19/2012CN102687228A Medium voltage circuit breaker arrangement
09/19/2012CN102687227A Circuit-breaker with a common housing
09/19/2012CN102687226A Electrical device with a multi-chamber housing
09/19/2012CN102687225A Bistable magnetic actuator for a medium voltage circuit breaker
09/19/2012CN102684102A Seven-loop load switch inflatable cabinet
09/19/2012CN102684100A Vacuum type high-pressure combined electric apparatus
09/19/2012CN102683102A Vacuum degree on-line detection method and device for breaker and potential information capturing sensor
09/19/2012CN102683101A Centrally-mounted withdrawable vacuum circuit breaker
09/19/2012CN102683100A Serial connection structure of high-voltage vacuum arc extinguish chambers
09/19/2012CN102683099A High-voltage vacuum switch
09/19/2012CN102683098A Intelligent high-pressure vacuum circuit breaker
09/19/2012CN102683097A Multi-station combination outdoor vacuum switch device
09/19/2012CN102683096A Resin moulded vacuum valve
09/19/2012CN102683095A Direct current vacuum circuit breaker
09/19/2012CN102683094A Upper bracket of high-voltage circuit breaker
09/19/2012CN102683093A Kilovolt-level double-pole double-breakpoint air type isolation change-over switch for mines
09/19/2012CN102683092A High-current auxiliary switch of high-voltage switch
09/19/2012CN102683065A Door interlock device for vacuum breaker
09/19/2012CN101980347B Circuit for restraining switching-on and switching-off bounce of electromagnetic repulsion fast vacuum circuit breaker
09/18/2012US8269586 Large-capacity vacuum circuit breaker
09/18/2012US8269130 Retainer, vacuum interrupter, and electrical switching apparatus including the same
09/18/2012US8269129 Vacuum switch tube
09/18/2012US8269128 Vacuum switch tube
09/18/2012US8269127 Tulip contacting device for vacuum circuit breaker
09/18/2012US8269126 Gas insulated switchgear and method for detecting arc damage in a gas insulated switchgear part
09/13/2012WO2012119919A1 Current-rise limitation in high-voltage dc systems
09/13/2012WO2012084246A3 Interrupter insert for a circuit breaker arrangement
09/13/2012US20120228267 Power switchgear
09/13/2012US20120228266 Vacuum circuit breaker
09/13/2012US20120228265 Vacuum valve
09/13/2012DE102011077790B3 Switching device i.e. load circuit breaker, has drive unit including delay element, where breaker unit is transferable into time window after switching operation while another breaker unit is transferable into closed position
09/12/2012EP2497096A1 Use of specific composite materials as extinguishing material for electric arcing in electric apparatuses
09/12/2012CN202434416U Gyromagnetic arc extinguishing chamber structure of SF6 circuit breaker
09/12/2012CN202434415U Emergency brake separating mechanism of permanent magnet vacuum circuit breaker
09/12/2012CN202434414U Vacuum circuit breaker mechanism
09/12/2012CN202434413U Vacuum circuit breaker
09/12/2012CN202434412U Ultra-low power consumption power control system for permanent magnet vacuum circuit breaker
09/12/2012CN202434411U Solid-sealed polar pole of high-voltage vacuum circuit breaker
09/12/2012CN202434410U Tank-type high pressure vacuum circuit breaker
09/12/2012CN202434409U 35kVSF6 switch
09/12/2012CN202434408U Medium-voltage gas insulation isolation switch
09/12/2012CN202434407U Novel spring operation mechanism
09/12/2012CN202434406U Closing maintenance structure for GIS breaker mechanism
09/12/2012CN202434357U Novel circular glass sealing wiring terminal
09/12/2012CN102668002A Winding for a contact of a medium-voltage vacuum bulb having improved arc cutoff, and related vacuum bulb and circuit breaker, such as an alternator disconnect circuit breaker
09/12/2012CN102668001A Electromagnet device and switching device using electromagnet device
09/12/2012CN102668000A Direct current breaker device
09/12/2012CN102664361A Vacuum circuit breaker and false switching-on prevention interlocking structure thereof
09/12/2012CN102664122A Controller for vacuum-breaker permanent-magnet operating mechanism
09/12/2012CN102664121A Insulation cylinder and main loop structure utilizing same
09/12/2012CN102664120A Miniaturized 40.5KV vacuum circuit breaker
09/12/2012CN102664119A 40.5KV single-phase outdoor high-voltage vacuum circuit breaker
09/12/2012CN101609983B Restrain device and control method for excitation inrush current of transformer
09/11/2012US8263894 Electrode for vacuum interrupter
09/11/2012US8263891 Electric switching arrangement and mounting method
09/07/2012WO2012117811A1 Gas circuit breaker
09/06/2012DE102009049342B4 Mittelspannungsschaltanlage mit Last- und Trennschaltern und die Trennposition enthaltenden Drei-Stellungs-Schaltern A medium voltage switchgear with load and containing circuit breakers and the disconnecting position three-position switches
09/05/2012EP2495745A1 Current-rise limitation in high-voltage DC systems
09/05/2012EP2494571A1 An hvdc breaker and control apparatus for controlling an hvdc breaker
09/05/2012CN202423116U Cyclone type energy separation high-voltage SF6 breaker
09/05/2012CN202423115U Mixed gas circuit breaker
09/05/2012CN202423114U External separating brake spring monostability permanent magnetic operating mechanism
09/05/2012CN202423113U Manual energy storage device for vacuum circuit breaker
09/05/2012CN202423112U Switch-on control loop of spring operation mechanism of vacuum circuit breaker
09/05/2012CN202423111U Switching-on control loop of spring operating mechanism of vacuum circuit breaker
09/05/2012CN202423110U Control mechanism for 10 kV vacuum switch
09/05/2012CN202423109U Connecting and driving device for vacuum circuit breaker
09/05/2012CN202423108U Insulation pull rod of vacuum breaker
09/05/2012CN202423107U Permanent magnetic vacuum circuit breaker
09/05/2012CN202423106U Chassis of vacuum circuit breaker
09/05/2012CN202423105U Protective device for vacuum circuit breaker
09/05/2012CN202423104U High-voltage vacuum load switch
09/05/2012CN202423103U Vacuum circuit breaker and manual energy storing device thereof
09/05/2012CN202423102U Vacuum circuit breaker and micros witch thereof
09/05/2012CN202423101U Permanent-magnetic vacuum circuit breaker
09/05/2012CN202423100U Structure for sealing SF6 gas
09/05/2012CN202423099U Breaker control apparatus
09/05/2012CN102656656A An HVDC breaker and control apparatus for controlling an HVDC breaker
09/05/2012CN102656655A Electromagnetically-operated switching device
09/05/2012CN102656651A A spring operated actuator for an electrical switching apparatus
09/05/2012CN102655060A Interlock apparatus for vacuum circuit breaker
09/05/2012CN101849269B Electromagnetic device
09/05/2012CN101740263B Improvement of switching-off part structure of high-voltage vacuum breaker
09/05/2012CN101728118B Modified energy storage mechanism for high-pressure vacuum circuit breaker
09/05/2012CN101383243B Power switching apparatus and method of controlling the same
09/04/2012US8258419 High-speed closing switch in power distributor
09/04/2012CA2552220C Shielded encapsulated vacuum interrupter
08/2012
08/30/2012US20120217223 Interlock apparatus for vacuum circuit breaker
08/30/2012DE102004031089B4 Vakuumschaltkammer sowie Verfahren zur Herstellung derselben Vacuum switching chamber, as well as methods for making same
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