Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
01/2006
01/25/2006EP0939964B1 Switch
01/25/2006CN2754200Y 智能型万能式断路器 Intelligent Circuit Breaker
01/25/2006CN1725586A Phase control switching device
01/25/2006CN1725408A Controller and control method of circuit breaker
01/25/2006CN1725407A Electromagnetic operation device
01/24/2006US6989498 Method and device for locking
01/22/2006CA2475556A1 Isolation contactor assembly having independently controlled contactors
01/19/2006WO2005101438A3 Electric device with compressed insulating gas comprising a composite insulator provided with a window for observation of the contacts
01/19/2006US20060011589 Production of a circuit-breaker pole, insulated by a solid material
01/19/2006DE19803975B4 Einrichtung zur Steuerung der Einschaltung eines Leistungsschalters Means for controlling the switching of a power switch
01/18/2006EP1121739B1 Gas-insulated switching device
01/18/2006CN2752943Y High pressure vacuum arc-suppression room longitudinal magnetic field contact
01/18/2006CN2752942Y Assembling mechanism for vacuum load switch main knife and low-shut off value vacuum arc-chutes
01/18/2006CN2752941Y Vacuum load switch-fusible cut-out assembling device
01/18/2006CN2752940Y Longitudinal magnetic rotary arc sulfur hexafluoride breaker
01/18/2006CN2752930Y Emergency delocking device
01/18/2006CN1722333A A medium voltage vacuum contactor
01/18/2006CN1722332A Control device for the coordinated actuation of at least two switching devices, of which one is a vacuum switch
01/17/2006US6987234 Circuit breaker comprising a control assembly and interrupting chamber and method of assembly
01/12/2006WO2006002560A1 Vacuum interrupter and contact arrangement for a vacuum interrupter
01/12/2006WO2005062884A3 Switchgear with embedded electronic controls
01/12/2006US20060006145 Arc quenching device for circuit breakers
01/12/2006US20060006144 Arc-extinguishing composition and articles manufactured therefrom
01/12/2006US20060006143 Earthing switch
01/11/2006EP1615309A2 Switchgear
01/11/2006EP1214725B1 Clutch assembly for electrical switching apparatus with large compression close spring
01/11/2006CN2751426Y Cup-type axial magnetic vacuum arc extinguish chamber contact with iron core
01/11/2006CN2751425Y Bipolar contact for vacuum arc extinguish chamber
01/11/2006CN1719562A Arc extinguishing device for circuit breaker
01/11/2006CN1236546C Electric control device
01/11/2006CN1236537C Integral load connector module
01/11/2006CN1236464C Extrahigh voltage vacuum circuit beaker
01/11/2006CN1236461C Low-voltage power switch with a bearing arrangement for a switch shaft
01/04/2006CN2750535Y A vacuum contactor-fuse combined electric appliance
01/04/2006CN2750452Y Serial outdoor vacuum circuit breaker
12/2005
12/28/2005EP1610352A1 Electric circuit breaker
12/28/2005CN1234135C Electromagnet and operating mechanism of switch using said electromagnet
12/22/2005WO2005122201A1 Power switch
12/22/2005WO2005122200A2 Pocket-sized travel book
12/22/2005DE102004024882A1 Gleichstrom-Energieversorgungs- und -verteilungsanlage für Schiffe DC power supply and distribution installation for ships
12/21/2005EP1382049B1 Latching mechanism for locking a spring energy store
12/21/2005EP0790629B1 Vacuum valve
12/21/2005CN2747701Y SF6 arc-extinguishing chamber
12/21/2005CN2747700Y Single-turn type contact for vacuum arc-extiguishing chamber
12/21/2005CN2747699Y High voltage vacuum circuit breaker with high rated current grade
12/21/2005CN2747698Y Circuit breaker system for 550 KV sulfur hexafluoride combined electric appliances
12/21/2005CN2747697Y Circuit breaker system for 220 KV sulfur hexafluoride combined electric appliances
12/21/2005CN2747696Y 220 KV sulfur hexafluoride tank type circuit breaker
12/21/2005CN1710686A Switch device
12/21/2005CN1710685A Single-break-port breaker of 550 KV voltage grade
12/21/2005CN1232996C Synchronous open-circuit method for breaker of power generator and its control equipment
12/20/2005US6977354 Arc hood and power distribution system including the same
12/15/2005WO2005119875A1 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line
12/15/2005CA2569267A1 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line
12/14/2005EP1605485A1 Circuit breaker
12/14/2005CN2746511Y Outdoor high-voltage vacuum load switch
12/14/2005CN2746510Y Insulation pull-rod sealing device for outdoor AC high voltage vacuum circuit breaker
12/14/2005CN2746509Y Overtravel spring combiner for outdoor AC high-voltage vacuum circuit breaker
12/14/2005CN2746508Y Sealing device for arc-chutes of outdoor AC high-voltage vacuum circuit breaker
12/14/2005CN2746507Y 126 KV single fracture outdoor high-voltage vacuum circuit breaker
12/14/2005CN2746506Y Radiator for outdoor AC high-voltage vacuum circuit breaker
12/14/2005CN1708819A Gas insulation opening/closing apparatus
12/14/2005CN1707716A Electric circuit breaker
12/14/2005CN1231940C Collector and gas circuit breaker
12/14/2005CN1231933C Gas insulated switching device
12/08/2005WO2005117050A1 Current interrupter
12/08/2005WO2005117049A1 Switchgear system
12/08/2005WO2005117048A1 Method and apparatus for the detection of high pressure conditions in a vacuum switching device
12/08/2005US20050270718 Apparatus for securing a conductor in a power switching device
12/08/2005DE102004024094A1 Löschkammer mit Lichtbogenlöschplatten und Verfahren zur Herstellung einer Lichtbogenlöschplatte für eine derartige Löschkammer Quenching chamber with arc plates and method for producing an arc extinguishing plate for such a quenching chamber
12/08/2005CA2608492A1 Method and apparatus for the detection of high pressure conditions in a vacuum switching device
12/07/2005CN2745208Y Guiding piece on high voltage switch
12/07/2005CN1706016A Insulant housing comprising an inner ribbed contour
12/07/2005CN1230958C Device for receiving interrupters of circuit breaker system
12/07/2005CN1230955C Gas isolating switching equipment having vacuum switch
12/07/2005CN1230851C Vacuum switching device
12/07/2005CN1230850C Switching device system, components therefor and method relating thereto
12/07/2005CN1230845C Switching arrangement for low-voltage circuit breakers
12/07/2005CN1230684C High-frequency wide-band local discharging on-line monitoring method in gas insulation converting station
12/04/2005CA2469778A1 Switching modules for the extraction/injection of power (without ground or phase reference) from a bundled hv line
12/01/2005WO2005114687A1 Direct current power supply and distribution installation for ships
11/2005
11/30/2005CN1703766A Production of a circuit-breaker pole, insulated by a solid material
11/30/2005CN1229834C Switch
11/30/2005CN1229649C Re-locatable partial discharge transducer head
11/29/2005US6969816 Switching arrangement for low-voltage circuit breakers
11/24/2005WO2005112060A1 Quenching chamber with arc quenching plate and method for production of an arc quenching plate for such a quenching chamber
11/24/2005WO2005111641A1 State recognizing device and switching controller of power switching apparatus using state recognizing device
11/24/2005US20050258342 Method and apparatus for the detection of high pressure conditions in a vacuum switching device
11/24/2005US20050258140 Electrical energy disconnection device
11/24/2005DE102004021978A1 Verfahren und Vorrichtung zum Abschalten eines in einem Wechselstromnetz auftretenden Fehlerstroms Method and device for cutting off a fault current occurring in an alternating current network
11/23/2005EP1597743A1 Linear magnetic drive
11/23/2005EP1502272B1 Electric switching device with a cooling device
11/23/2005CN1700381A Vacuum switch
11/23/2005CN1700380A Gas breaker
11/23/2005CN1228896C Vacuum circuit breaker
11/22/2005US6966934 Gas reclaiming equipment
11/16/2005EP1595273A2 A self-fixturing system for a vacuum interrupter
11/16/2005EP1595269A2 Axial magnetic field vacuum fault interrupter
11/16/2005EP1540683A4 High-voltage loadbreak switch with enhanced arc suppression
11/16/2005EP0988638B1 Arcing contact arrangement