Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
09/2006
09/14/2006WO2006096508A2 Variable delay appliance hybrid program timer
09/14/2006US20060202563 Variable delay appliance hybrid program timer
09/14/2006DE4426698B4 Metallgekapseltes, druckgasisoliertes Hochspannungsschaltgerät Metal-enclosed, compressed gas-insulated high-voltage switchgear
09/13/2006CN2817141Y Small-sized vacuum load switch cabinet
09/13/2006CN2817041Y Multiple-speed disjunction contact for super-high-voltage switch
09/13/2006CN1832079A Insulation medium of high-tension vacuum switch equipment
09/13/2006CN1275273C Method and device for monitoring vacuum degree in vacuum circuit breaker
09/12/2006US7105764 Monolithic stationary conductor and current limiting power switch incorporating same
09/08/2006WO2006092380A1 Switching device with a heat tube
09/08/2006CA2599886A1 Switching device with a heat pipe
09/07/2006US20060196851 Multi-path switching configuration
09/07/2006US20060196274 Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device
09/07/2006DE10052412B4 Vakuumleistungsschalter Vacuum Circuit Breaker
09/06/2006EP1697954A1 Medium voltage switchgear assembly
09/06/2006CN2814657Y Outdoor vacuum breaker driving and linking device
09/06/2006CN2814656Y Single-pole DC high-voltage isolating switch
09/05/2006US7102475 Magnetic actuator
09/05/2006US7102253 MOSFET based, high voltage, electronic relays for AC power switching and inductive loads
08/2006
08/31/2006WO2006048583A3 Mechanical control device for a switch with three positions and a dead centre
08/31/2006US20060192439 Power control center with solid state device for controlling power transmission
08/30/2006EP1695364A1 Capacitor switch with internal retracting impedance contactor
08/30/2006CN2812266Y A vacuum circuit breaker
08/30/2006CN1825514A 3-position on-off operating machine
08/30/2006CN1272817C Power-off and cutoff switch device comprising a vacuum box
08/29/2006US7098418 Vacuum circuit breaker, vacuum circuit breaker contact slow closing method, and contact erosion measuring method and contact gap length setting method using that slow closing method
08/24/2006WO2006087372A1 Switching resistor for an electric switching device
08/24/2006WO2006031449A3 Circuit interrupting device with a turnbuckle and weld break assembly
08/24/2006US20060186091 Gas-insulated switchgear tank
08/24/2006US20060186090 Breaker for providing successive trip mechanism based on PTC current-limiting device
08/24/2006DE19504714B4 Verfahren und Vorrichtung zur Überwachung einer Zustandsgröße eines Leistungsschalters A method and apparatus for monitoring a state quantity of a circuit breaker
08/24/2006DE102005008313A1 Schaltwiderstand für ein elektrisches Schaltgerät Switching resistor for an electrical switching device
08/24/2006DE102004050786B4 Kupplungsvorrichtung mit Kühlkörper Coupling device with heat sink
08/24/2006CA2598049A1 Switching resistor for an electric switching device
08/23/2006EP1693873A2 Vacuum switchgear
08/23/2006EP1554741B1 Insulant housing comprising an inner ribbed contour
08/23/2006CN2809996Y High voltage load switch
08/23/2006CN2809848Y Self-positioning vacuum arc extinguish chamber
08/23/2006CN2809847Y Multifunctional vacuum arc extinguish chamber with voltage-sharing screening shield
08/23/2006CN2809846Y External type outdoor high-voltage vacuum circuit breaker for current transformer
08/23/2006CN2809845Y Casing structure for reinforced vacuum arc extinguish chamber
08/23/2006CN2809844Y Apparatus for locking bypass load switch upon air press loss with indication function
08/23/2006CN2809843Y A mechanical interlocking mechanism for circuit breaker and three-state isolation switch
08/23/2006CN2809830Y Magnetic-quenching arc extinguish device with automatic changeover switch for dual power supplies
08/23/2006CN2809827Y Spring operating mechanism for bypass load switch
08/23/2006CN1822270A Automatic change-over switch electric appliance
08/23/2006CN1271661C 断路器 Breaker
08/22/2006US7094986 ARC chute assembly
08/17/2006WO2006084401A1 Switch terminal
08/17/2006WO2006084398A1 Switch cabinet for a gas-insulated high-voltage breaker
08/17/2006US20060180576 Electrical service device having an arc prechamber area, prechamber plates and a current -limiting arc-quenching device
08/17/2006DE202006008710U1 Switch e.g. vacuum circuit breaker, has pole, and moving contact of switching tube is connected with one electrical terminal by flexible conductor in fastening area, where integrally molded sleeves are pressure welded in fastening area
08/17/2006DE202006008708U1 Pole unit for vacuum circuit breaker, has guide retainer and insulating body that are fastened to retaining unit of pole carrier by screws, where galvanic connection is provided between pole carrier and screws
08/17/2006DE202006007974U1 Power switch e.g. high current switch, has supporting device comprising insulation body formed as single piece instead of two supporting units that are arranged adjacent to each other at retaining wall
08/17/2006DE19650590B4 Antrieb für einen Schalter Drive for a switch
08/16/2006EP1691389A1 Interrupting chamber for a gas insulated high voltage circuit breaker
08/16/2006EP1691388A1 Plug and socket connector
08/16/2006EP1690276A1 Switchgear for the medium-voltage range and high-voltage range
08/16/2006CN1819084A Arc hood and power distribution system including the same
08/16/2006CN1819076A Actionneur electromagnetique bistable
08/16/2006CN1270336C Electric switch device including explosion chamber fitted with deionizing finned piece
08/16/2006CN1270334C Device for controlling closing of power circuit breaker
08/15/2006US7091439 Isolator/circuit-breaker device for electric substations
08/15/2006US7091438 Circuit breaker with improved arc extinction system
08/15/2006CA2219282C Control method and device for a switchgear actuator
08/10/2006WO2006081697A1 Nozzle fastening system for electric circuit-breakers
08/10/2006DE19816509B4 Abbrandschaltanordnung Consumable
08/10/2006DE10013549B4 Anordnung eines Schalters Arrangement of a switch
08/09/2006CN2805158Y Earthing switch by using vacuum arc-chutes open/close induction current
08/09/2006CN2805059Y Vacuum arc-shutes contact device having main contact and arc contact
08/09/2006CN1815656A Arc-resistance piece structure and vacuum switch contact
08/09/2006CN1815655A Arc-resistance piece structure and vacuum switch contact
08/09/2006CN1815654A Indoor AC high-voltage closed load switch
08/08/2006CA2496250A1 Disconnect switch
08/03/2006WO2006079495A1 Method for producing a contact piece, and corresponding contact piece for a vacuum interrupter chamber
08/03/2006US20060169370 Electrical contact material and method for making same
08/03/2006DE202006007973U1 Power circuit breaker to act as full-load switch has pole unit with pole head and pole carrier and vacuum switching tube in-between with fixed and moving contacts
08/03/2006DE102004047260B4 Isolierstoffgehäuse mit Belüftungsschacht Insulated with ventilation shaft
08/02/2006EP1686602A1 Blast nozzle mounting means for electrical circuit breaker
08/02/2006EP1618577A4 Vacuum circuit breaker
08/02/2006CN2802815Y Vacuum switch connection bus special for capacitor set switch
08/02/2006CN2802806Y Safety protection mechanism for back door of high-tension switch cubicle
08/02/2006CN2802696Y Operation mechanism of outdoor high-tension vacuum circuit breaker
08/02/2006CN2802695Y Hydraulic spring operation mechanism
08/02/2006CN2802687Y Intelligent key and its unlocking mechanism
08/02/2006CN1812035A Contact with strong on-off function
08/02/2006CN1812034A Circuit breaker and contact arc-extinguishing system
08/02/2006CN1812028A Contact with strong connecting-disconnecting function
07/2006
07/27/2006US20060162194 Manual switch-off device of a permanent magnet switch operating mechanism
07/27/2006DE102005002139A1 Dreistellungsschalter mit Kurvenscheibe Three-position switch with cam
07/27/2006DE10064832B4 Vakuumkammer Vacuum chamber
07/26/2006EP1683171A1 Bypass recloser assembly
07/26/2006EP1683170A1 Switching device
07/26/2006CN2800472Y Load-switch sealing device
07/26/2006CN2800460Y Automatic change-over
07/26/2006CN2800459Y Automatic change-over
07/26/2006CN1808660A Apparatus and method for use in circuit interrupters
07/26/2006CN1808659A Moving mechanism of air flow control ring of high-voltage arc-extinguish chamber
07/26/2006CN1808650A High power hydraulic actuating mechanism
07/26/2006CN1266725C Electric switch
07/26/2006CN1266722C Open-circuit method for breaker of power generator and its control equipment