Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
09/2005
09/07/2005CN2724177Y Double load switch operation device
09/07/2005CN1665089A Solid-state insulated switchgear, resin molding and method of manufacturing the resin molding thereof
09/07/2005CN1664970A Device for fixing a shield in an electric switch, in particular a vacuum switch
09/07/2005CN1218454C Multi-pole low voltage circuit breaker with one current measuring device per line
09/07/2005CN1218343C Safety interlocking mechanism
09/07/2005CN1218342C Hydraulic operation device
09/06/2005US6940376 Electromagnet and actuating mechanism for switch device, using thereof
09/01/2005US20050189325 Insulated earthing switch for gas-insulated switchgear assemblies
09/01/2005US20050189324 High voltage device with a particle trap
08/2005
08/31/2005EP1569313A1 High Voltage apparatus with particle trap
08/31/2005EP1569256A1 Insulated earthing switch for GIS
08/31/2005CN2722421Y Secondary protective shield of outdoor high-voltage vacuum breaker
08/31/2005CN2722420Y Outdoor vacuum separated switch for low voltage load
08/31/2005CN2722419Y Outdoor vacuum high-voltage circuit breaker
08/31/2005CN2722418Y Vacuum separated switch for AC high voltage load
08/31/2005CN1661872A Insulated earthing switch for gas-insulated switchgear assemblies
08/31/2005CN1661746A Blowing breaker
08/31/2005CN1217465C Circuit breaker
08/31/2005CN1217463C Circuit breakers
08/31/2005CN1217461C Gas insulating switch device
08/31/2005CN1217457C Locking device for withdrawable circuit-breakers
08/31/2005CN1217369C Electric operation mechanism for intelligent breaker
08/31/2005CN1217367C Secondary close mechanism and drive mechanism for electric power switchgear
08/30/2005CA2180587C Bushing assembly with interrupter for electrical equipment
08/25/2005WO2005078755A1 Vacuum interrupter chamber with shielding
08/25/2005WO2005078754A1 Electro-magnetic force driving actuator and circuit breaker using the same
08/25/2005WO2005078461A2 Lead-through with a power semi-conductor component
08/25/2005DE10354594B4 Antriebseinheit eines Schaltgerätes einer gasisolierten Schaltanlage und Baukastensystem zur Bildung einer Antriebseinheit Drive unit of a switching device insulated switchgear and modular system for forming a drive unit
08/25/2005DE10352527B3 Determining state of switchgear contact assembly from electromagnetic arcing radiation, compares initiation instant of electromagnetic emission with timing mark measurement
08/25/2005DE102004006476A1 Lasttrennschalter Switch disconnectors
08/25/2005DE102004006473A1 Electrical power breaker switch has arc extinguished by gas released from pressure gas bottle
08/25/2005DE102004006045A1 Druckgasisolierter Trennschalterbaustein und Durchführungsanordnung Pressure gas-insulated circuit breaker module and feedthrough assembly
08/24/2005CN2720605Y High-voltage electric-power change-over gate
08/24/2005CN1659668A Direct current cutoff switch
08/24/2005CN1658459A Gas-insulated switch
08/24/2005CN1658458A Gas insulated switchgear
08/24/2005CN1658456A Switch insulation component
08/24/2005CN1658352A Shutting off operation device of breaker
08/23/2005US6933827 Actuator, method of manufacturing the actuator and circuit breaker provided with the actuator
08/23/2005CA2146041C Switchgear module and configurations, and method of fabrication and assembly thereof
08/18/2005WO2005076304A1 Load-break switch
08/18/2005WO2005076303A1 Control for electric power interrupting device
08/18/2005DE10345657B4 Schaltkammer Switching chamber
08/18/2005DE102005000727A1 Elektrisches Kontaktelement und Verfahren zu dessen Herstellung sowie Vakuum-Trennschalter, Vakuum-Leistungsschutzschalter und Lastabtrennschalter unter Verwendung desselben The same electrical contact element and method for its preparation and vacuum circuit breakers, vacuum circuit breaker and Lastabtrennschalter using
08/18/2005CA2554290A1 Switching device
08/17/2005CN1656585A Screening electrode
08/17/2005CN1215512C Vacuum switch
08/17/2005CN1215511C Air circuit breaker
08/16/2005US6930271 Circuit interrupter including linear actuator and manual pivot member
08/16/2005US6930270 Connection area between housing parts of a vacuum interrupter, and a vacuum interrupter having a connection area of this type
08/11/2005WO2005074074A2 Compressed gas insulated separating switch component and leadthrough arrangement
08/11/2005WO2005073702A1 Decomposed gas sensor for gas-insulated apparatus, insulating gas decomposition detector, and decomposed gas detecting method
08/11/2005US20050174721 Gas-insulated electrical installation provided with a device for dissipating energy produced by an electric arc
08/11/2005US20050174211 Direct current cutoff switch
08/11/2005US20050173378 Interrupter unit for a high-voltage power switch
08/11/2005US20050173143 Vacuum switchgear
08/11/2005DE10354592B3 Induktionsantrieb für einen Trenn- und/oder Erdungsschalter Induction drive for a separation and / or earthing switch
08/11/2005DE102004001796A1 Vakuumschaltanlage Vacuum switchgear
08/10/2005EP1561228A1 Contact element comprising rounded slot edges
08/10/2005CN2717000Y Centrally positioned vacuum circuit breaker
08/10/2005CN2716999Y Solid sealing type terminal of medium voltage vacuum circuit breaker
08/10/2005CN2716998Y Single coil permanent-magnet mechanism driver for vacuum circuit breaker
08/10/2005CN1653664A Gas-insulated electrical installation provided with a device for dissipating energy produced by an electric arc
08/10/2005CN1653663A Switching installation provided with an electrically insulating barrier
08/10/2005CN1653572A Drive rod for switch
08/10/2005CN1652275A Insulating switch apparatus
08/10/2005CN1652274A Manual switching-off device for permanent magnet switch operating mechanism
08/10/2005CN1214423C Vacuum disconnector
08/10/2005CN1214422C Vacuum switch device
08/10/2005CN1214418C Arc extinguisher with attachment for low voltage switchgear
08/10/2005CN1214404C Isolator for high-voltage switch equipment
08/09/2005US6927356 Enclosed switchgear
08/09/2005US6927355 Circuit breaker
08/09/2005US6926547 Electrical connector
08/03/2005CN2715323Y Seal housing of vacuum arc extinguish chamber
08/03/2005CN2715322Y On-line monitoring device for mechanical characteristics of high-voltage vacuum circuit breaker
08/03/2005CN1650494A Gas-insulated switchgear
08/03/2005CN1650381A Interrupter unit for a high-voltage power switch
08/03/2005CN1650380A Electrical switching device with a cooling device
08/03/2005CN1649062A Switching mechanism for a manual motor starter
08/03/2005CN1649054A Arc suppressing room with gas deionization device
07/2005
07/28/2005WO2005069328A1 Switching device
07/28/2005DE10360633A1 Mittelspannungsschaltanlage Medium voltage switchgear
07/28/2005CA2552570A1 Switching device
07/27/2005EP1556874A1 Circuit breaker
07/27/2005CN1647222A Cermic tube for vacuum circuit breaker
07/27/2005CN1645697A Isolator/circuit-breaker device for electric substations
07/27/2005CN1645535A Contacts of vacuum switch
07/26/2005US6921989 Electrical switchgear with synchronous control system and actuator
07/21/2005US20050155953 Drive rod for switch
07/20/2005EP1554742A1 Production of a circuit-breaker pole, insulated by a solid material
07/20/2005EP1554741A1 Insulant housing comprising an inner ribbed contour
07/20/2005CN2711881Y Power supply circuit board for vacuum breaker
07/20/2005CN2711880Y Electric operation controller for high voltage switch
07/20/2005CN1643753A Arc-resistant switchgear enclosure
07/20/2005CN1643633A Getter device for vacuum circuit breaker
07/14/2005WO2005062884A2 Switchgear with embedded electronic controls
07/14/2005US20050153534 Electric contacts and method of manufacturing thereof, and vacuum interrupter and vacuum circuit breaker using thereof
07/14/2005US20050150869 Isolator/circuit-breaker device for electric substations
07/14/2005US20050150868 Electrical switching device with a cooling device