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)
04/2014
04/23/2014EP2721624A1 A switching device and a switchgear
04/23/2014CN203562645U Solid insulation casing grounding shielding structure
04/23/2014CN203562365U Composite contact vacuum arc-extinguishing chamber and vacuum circuit breaker with same
04/23/2014CN103748650A Puffer type gas circuit breaker
04/23/2014CN103745878A Operating handle for permanent magnet vacuum circuit breaker
04/23/2014CN103745877A Novel contact system for alternative-current contactor
04/23/2014CN103745876A Compound contact of copper chromium series used in vacuum interrupter and processing method thereof
04/23/2014CN103745875A Structure of side-installed vacuum circuit breaker
04/23/2014CN103745874A Indoor high-voltage vacuum load switch-fuse combined electrical apparatus
04/23/2014CN103745873A Electrical SF6 circuit-breaker electrified intelligent gas supplement unit and gas supplement method
04/23/2014CN103745872A Sectional type load switch mechanism
04/23/2014CN102446654B Cam design method matched with spring operating mechanism based on moving contact switching-on motion characteristic
04/23/2014CN102412519B Solid-sealed polar pole with insulation and switch cabinet
04/23/2014CN101855694B High-voltage power switch having a switch for engaging a starting resistor
04/23/2014CN101350268B Permanent magnet type vacuum circuit-breaker
04/22/2014CA2826879A1 Arc-resistant switchgear enclosure with latch for vent flap
04/17/2014WO2014058147A1 Manual operation module for universal permanent magnet actuator
04/17/2014WO2014056598A1 A pole part of a medium voltage circuit breaker arrangement comprising a triggered gap unit
04/17/2014US20140104019 Electromagnetic contactor and electromagnetic contactor gas encapsulating method
04/17/2014US20140104018 Electromagnetic contactor and electromagnetic contactor gas encapsulating method
04/17/2014US20140103013 Circuit breaker with translating electrical contact, circuit breaker electrical contact assemblies, and operational methods
04/17/2014US20140103012 Vacuum interrupter
04/17/2014DE102008004870B4 Mit einem Schutzschalter mechanisch koppelbares Modul With a circuit breaker mechanically linkable module
04/16/2014EP2720245A1 Assembled pole part with pole part frame
04/16/2014EP2720244A1 A pole part of a circuit-breaker arrangement with a heat sink element
04/16/2014EP2720240A1 A pole part of a medium voltage circuit breaker arrangement comprising a triggered gap unit
04/16/2014EP2718951A1 Power switching apparatus
04/16/2014EP2718950A1 Switching device
04/16/2014CN203553718U Outdoor column switch device with built-in disconnecting switch
04/16/2014CN203553705U High-voltage vacuum circuit breaker inside-cabinet arrangement structure
04/16/2014CN203553037U Vacuum arc-extinguishing chamber vacuum degree on-line detecting device
04/16/2014CN203553036U Vacuum contrast apparatus for measuring vacuum degree of arc extinguish chamber
04/16/2014CN203553035U Vacuum?arc-extinguishing switch
04/16/2014CN203553034U Power transmission and transformation permanent magnetic vacuum circuit breaker
04/16/2014CN203553033U Capacitor bank switching vacuum circuit breaker
04/16/2014CN203553032U Outdoor vacuum circuit breaker used for electrified railway traction system
04/16/2014CN203553031U Non-contact auxiliary switch
04/16/2014CN203553030U Vacuum circuit breaker and inflating cabinet
04/16/2014CN203553029U 12 kV permanent-magnet vacuum circuit breaker with solid-sealed polar pole
04/16/2014CN203553028U Under-voltage and no-voltage protection device for vacuum circuit breaker
04/16/2014CN203553027U An intelligent heating device for reducing winner suppression times of a sulfur hexafluoride breaker
04/16/2014CN203553026U Slow opening and slow closing device for spring operation mechanism of high voltage breaker
04/16/2014CN203553025U Static-contact arc-extinguishing device
04/16/2014CN203553024U Three-position isolation switch embedded pole
04/16/2014CN203552971U Limiting buffer device and AC high voltage vacuum circuit breaker mechanism
04/16/2014CN103730290A Oil-minimum power switch
04/16/2014CN103730289A Sulfur hexafluoride gas arc extinguishing switching device
04/16/2014CN103730288A Double-transmission contact spring device for vacuum circuit breaker
04/16/2014CN103730287A Vacuum power switch
04/16/2014CN103730286A Supporting structure of 110KV combined electrical appliance upper polar column
04/16/2014CN102915867B Secondary plug-in protection device of vacuum circuit breaker
04/16/2014CN102426971B Triangle form inter-phase all-solid insulated middle-high voltage switchgear
04/16/2014CN102324339B Electrified railway switching equipment
04/15/2014US8698034 Vacuum interrupter
04/15/2014US8698033 Interrupting chamber with a field distributor cylinder for high-voltage or medium-voltage circuit breakers
04/10/2014WO2014055188A1 Circuit interrupter employing a linear transducer to monitor contact erosion
04/10/2014WO2014053554A1 Circuit breaker with stacked breaker modules
04/10/2014US20140097155 Switch
04/10/2014US20140097154 Switch
04/10/2014DE102012211376A1 Schaltanordnung Switching arrangement
04/10/2014DE102012109581A1 Laststufenschalter mit Ticklerwindung und Verfahren zum Betrieb eines Laststufenschalters OLTC with Ticklerwindung and method for operating a load tap changer
04/09/2014EP2715762A1 Vacuum interrupter
04/09/2014EP2715761A1 Vacuum interrupter
04/09/2014EP2715760A1 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
04/09/2014EP2715759A1 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
04/09/2014EP2715744A1 Process for manufacturing a hollow body for composite electrical insulators and hollow body obtained with such a process
04/09/2014EP2715743A1 Electric component for a high-voltage system
04/09/2014CN203536295U A connector assembly of an insulating pull rod
04/09/2014CN203536294U A durable insulating pull rod of a vacuum circuit breaker
04/09/2014CN203536293U Vacuum load switch spring energy storage mechanism
04/09/2014CN203536292U Major loop structure of vacuum circuit breaker and vacuum circuit breaker using same
04/09/2014CN203536291U Insulation sleeve for solid-sealed polar pole, breaker assembly and switch cabinet
04/09/2014CN203536290U An insulating sleeve for a vacuum circuit breaker
04/09/2014CN203536289U An insulating box for a vacuum circuit breaker
04/09/2014CN203536288U Vacuum circuit breaker low-voltage control conjunction box installation device
04/09/2014CN203536287U Low-voltage permanent magnetic vacuum contactor
04/09/2014CN203536286U Low-voltage vacuum contactor
04/09/2014CN203536285U Solid-sealed polar pole
04/09/2014CN203536284U AC vacuum contactor
04/09/2014CN203536283U Low voltage control conjunction box installing and fixing mechanism
04/09/2014CN203536282U Low voltage control conjunction box fixing mechanism
04/09/2014CN203536281U Heat radiation structure of solid sealed pole
04/09/2014CN203536280U Miniaturized outdoor vacuum load switch
04/09/2014CN203536279U Disconnecting switch structure
04/09/2014CN203536278U A porcelain sleeve fixing rack for a high-voltage breaker
04/09/2014CN203536277U A valve hall grounding switch
04/09/2014CN203536276U Hand-operated switch-on device
04/09/2014CN203536275U Spring energy storage device of hydraulic spring operating mechanism
04/09/2014CN203536274U Heavy-current change-over switch for hard chromium electroplated power supply
04/09/2014CN203536273U Electric control high-voltage switch for vehicle electric control totally-enclosed high-voltage shock signal source
04/09/2014CN203536236U A stable insulating pull rod for a breaker
04/09/2014CN103718264A Vacuum switch including an insulating body having a number of transparent portions made of a single crystal alumina
04/09/2014CN103718263A Self-locking connector clip
04/09/2014CN103715009A Bistable permanent magnetic mechanism
04/09/2014CN103715008A Longitudinal and transverse composite type vacuum arc-extinguishing chamber contact structure
04/09/2014CN102436961B Indoor high-voltage vacuum circuit breaker
04/09/2014CN101796603B Method for production of pole part of medium- voltage switching device, as well as pole part itself
04/09/2014CN101728115B Power line current interrupter having vacuum switch chamber
04/08/2014US8692149 Low-voltage, medium-voltage or high-voltage switchgear assembly having a short-circuiting system
04/03/2014WO2014050108A1 Gas-blast circuit breaker
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