Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
07/2013
07/10/2013CN103198970A Vacuum envelope with double-fracture structure
07/10/2013CN103198969A Improved vacuum circuit breaker
07/10/2013CN103198968A High-voltage switch and switch cabinet comprising same
07/10/2013CN103198967A Intelligent low-voltage vacuum circuit breaker
07/10/2013CN103198966A Improved high-voltage circuit breaker
07/10/2013CN103198965A Improved high-voltage vacuum circuit breaker
07/10/2013CN103198964A High-voltage circuit breaker
07/10/2013CN103198963A Vacuum circuit breaker
07/10/2013CN102420069B Switchgear and method for operating switchgear
07/09/2013US8482368 Electromagnetic relay
07/09/2013US8481881 Electric circuit breaker and switchgear panel with circuit breaker
07/09/2013US8481880 Drive system for electrical switching devices
07/04/2013WO2013101327A1 Locomotive power contactor
07/04/2013US20130168358 Driver for switch in gas insulated switchgear and gas insulated switchgear having the same
07/04/2013US20130168357 Puffer-type gas circuit-breaker
07/04/2013US20130167753 Locomotive positive power bus contactor method of assembly
07/04/2013DE102011090052A1 Elektrisches Schaltgerät, insbesondere Kompaktleistungsschalter Electrical switching apparatus, in particular molded case circuit breakers
07/03/2013EP2610885A1 Exciting inrush current suppression apparatus
07/03/2013EP2609609A1 Arc chute for a circuit breaker, circuit breaker and method for assembling an arc chute
07/03/2013CN203038851U Intelligent vacuum circuit breaker
07/03/2013CN203038850U Axial adaptive bi-stable permanent magnetic actuator with brake acceleration
07/03/2013CN203038849U Vacuum circuit breaker
07/03/2013CN203038848U Conductive connecting piece of high-voltage switch
07/03/2013CN203038847U Conductive connecting piece of high-voltage switch
07/03/2013CN203038846U Intelligent branch division vacuum circuit breaker
07/03/2013CN203038845U Novel three-position operating mechanism
07/03/2013CN203038844U Arc extinguishing cover of disconnecting switch
07/03/2013CN103189950A Electrical contact arrangement for vacuum interrupter arrangement
07/03/2013CN103189939A Magnetic actuator with a non-magnetic insert
07/03/2013CN103187202A Puffer-type gas circuit-breaker
07/03/2013CN103187201A Vacuum circuit breaker with interlock apparatus
07/03/2013CN103187200A Electrical switching device, in particular compact circuit breaker
07/03/2013CN103187199A Gas-insulated load switch
07/03/2013CN103187183A Oil immersion type double-layer contact vacuum on-load voltage regulation tapping switch for intelligent distribution network
07/03/2013CN101894703B High-voltage vacuum switch
07/03/2013CN101849272B 开闭器 Shutter
07/03/2013CN101641755B Gas-insulated switchgear device
06/2013
06/27/2013WO2013094493A1 Vacuum circuit breaker
06/27/2013WO2013094354A1 Vacuum switchgear with vacuum-degradation detection device, and method for detecting vacuum degradation of vacuum switchgear
06/27/2013WO2013093066A1 Hybrid dc circuit breaking device
06/27/2013WO2013093033A1 Device for protection against particles generated by an electric switching arc
06/27/2013WO2013092878A1 Electromagnetic actuator comprising permanent magnets and mechanical load interrupter actuated by such an actuator
06/27/2013WO2013092785A1 Vacuum interrupter
06/27/2013WO2013092142A1 Circuit arrangement for suppressing an arc occurring over a contact gap of a switching member
06/27/2013WO2013091444A1 Embedded pole capable of isolation and switch cabinet
06/27/2013WO2013091312A1 Vacuum circuit breaker with improved rated current
06/27/2013US20130161290 Gas circuit breaker
06/27/2013US20130161289 Gas circuit breaker
06/27/2013US20130161288 Gas circuit breaker
06/27/2013DE102012101222A1 Kontaktstift für Hochspannungs-Leistungsschalter und Hochspannungs-Leistungsschalter mit einem solchen Kontaktstift Pin for high voltage circuit breakers and high-voltage circuit breaker with such a contact pin
06/27/2013DE102011089812A1 Schaltvorrichtung für ein elektrisch angetriebenes Fahrzeug und Elektrofahrzeug Switching device for an electrically driven vehicle, and electric vehicle
06/26/2013EP2608240A1 Arc extinguishing apparatus for ring main unit
06/26/2013EP2608239A1 Magnetizing inrush current suppression device
06/26/2013EP2608238A1 Vacuum interrupter
06/26/2013CN203026449U Guide sleeve and lock pin fixing type vacuum arc-extinguishing chamber
06/26/2013CN203026448U Disposable sealing bar vacuum arc extinguish chamber
06/26/2013CN203026447U Plum blossom type contact with flanging
06/26/2013CN203026446U Plum blossom contact
06/26/2013CN203026445U Insulating cylinder
06/26/2013CN203026444U Wall feed-through sleeve
06/26/2013CN203026443U Fixation and encapsulation contact arm
06/26/2013CN203026442U Vacuum circuit breaker
06/26/2013CN203026441U Operation mechanism of breaker
06/26/2013CN203026440U Vertical open alternating current high-voltage isolator
06/26/2013CN103180927A 电力用开关装置 A power switching device
06/26/2013CN103180926A Inrush current suppressing device
06/26/2013CN103177902A Interlock lock mechanism for vacuum circuit breaker
06/26/2013CN103177901A Three-position switch operating mechanism
06/26/2013CN103177900A Spring manipulater used for breaker and breaker
06/26/2013CN103177899A Gas circuit breaker
06/26/2013CN101855692B Cutouts with automatic reclosing
06/26/2013CN101471188B Spring arrangement for spring drive unit and spring drive unit comprising spring arrangement
06/25/2013US8471412 Switch assembly, electric consumer as well as machine tool
06/25/2013US8471166 Double break vacuum interrupter
06/25/2013US8471159 Undercarriage and keylock assembly for use with a circuit breaker
06/25/2013CA2525270C Arc hood and power distribution system including the same
06/20/2013WO2013087688A1 Circuit breaker with fluid injection
06/20/2013WO2013087687A1 Circuit breaker with fluid injection
06/20/2013WO2013087684A1 Method and device for determining an operating parameter of a fluid insulated electrical apparatus
06/20/2013WO2013087669A1 Mobile conducting unit for a breaker, including a spring for accelerating the separation of arc contacts
06/20/2013WO2013087661A1 Device for driving a conductive unit of a circuit breaker so as to move the unit at a variable speed
06/20/2013US20130153541 Mechanical means to redirect internal arc location
06/20/2013US20130153540 Method of extinguishing an electric arc in a low or high voltage switchgear by pulse discharge
06/20/2013US20130153539 Fiber reinforced insulation material for embedded vacuum interrupters
06/20/2013US20130153538 Arc extinguishing apparatus for ring main unit
06/20/2013DE19715198B4 Vakuumventil Vacuum valve
06/20/2013DE102011088745A1 Motorantrieb Motor drive
06/20/2013DE102007055667B4 Lichtbogenlösch-Harzformkörper und Verwendung eines Lichtbogenlösch-Harzformkörpers in einem Trennschalter Arc extinguishing resin molded body and use of an arc-extinguishing resin molded body in a circuit breaker
06/19/2013EP2605260A1 High voltage switching assembly
06/19/2013EP2605257A1 Motor drive for an electrical switching apparatus
06/19/2013EP2603925A1 Semiconductor assisted dc load break contactor
06/19/2013EP2603924A1 Method of extinguishing an electric arc in a low or high voltage switchgear by pulse discharge
06/19/2013CN203013625U High-voltage gas circuit breaker
06/19/2013CN203013624U Multifunctional detection apparatus for single vacuum arc-extinguishing chamber
06/19/2013CN203013623U Opening oil buffer mechanism of high-voltage vacuum circuit breaker
06/19/2013CN203013622U Modularized permanent magnetic operating mechanism and circuit breaker applying same
06/19/2013CN203013621U Vacuum breaker
06/19/2013CN203013620U Microminiature vacuum arc extinguishing chamber with short circuit current switching-off capability
06/19/2013CN203013619U Cup-shaped longitudinal magnetic field electrode
06/19/2013CN203013618U Wave screen cover used for vacuum arc-extinguishing chamber
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