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)
08/2012
08/29/2012EP2492941A1 Device for controlling at least one mobile contact and multipolar electronic switchgear comprising such a device
08/29/2012EP2492032A1 Method for manufacturing a copper-based composite material for electrical contacts
08/29/2012EP2491569A1 Remote isolation system, method and apparatus
08/29/2012CN202405192U Intelligent circuit breaker
08/29/2012CN202405171U Soft switch controller for vacuum circuit breaker
08/29/2012CN202405170U Adjustable-overtravel vacuum circuit breaker of permanent magnet mechanism
08/29/2012CN202405169U Vacuum load switch
08/29/2012CN202405168U Intelligent integrated solid-sealed polar pole
08/29/2012CN202405167U Flame-proof low-voltage vacuum feed switch
08/29/2012CN202405166U Universal type vacuum circuit breaker
08/29/2012CN202405165U Outdoor sulfur hexafluoride three-phase permanent magnetic switch
08/29/2012CN202405164U Guiding element of high-tension switch
08/29/2012CN102652385A Power switching device
08/29/2012CN101819903B Dynamic/static contact device of main circuit of load switch
08/29/2012CN101728114B Light-operated modularization intelligent vacuum switch with phase-selecting function
08/29/2012CN101150024B Vacuum switch
08/28/2012US8253055 Vacuum circuit breaker
08/23/2012WO2012110369A1 Contact disk for a vacuum interrupter
08/23/2012WO2012110175A1 Drive for a high-voltage circuit breaker
08/23/2012US20120211469 Circuit breaker with arc extinguishing mechanism
08/23/2012DE102011004421A1 Cooling device for electrical switchgear, has feed tube for supply of air or gas to high temperature area in switchboard, and feed channel for supply of liquid to high temperature area
08/22/2012EP2489054A1 Medium voltage switchgear having disconnecting switches and three-position switches
08/22/2012EP1719142B1 Switching device
08/22/2012CN202394803U Spring energy storage mechanism for vacuum load switches
08/22/2012CN202394802U Alternating current high voltage vacuum circuit breaker used for 12kV power system
08/22/2012CN202394801U Alternating current high-voltage vacuum breaker for 12kV electric system
08/22/2012CN202394800U Breaker solid-sealed pole
08/22/2012CN202394799U Solid-sealed type vacuum circuit breaker
08/22/2012CN202394798U Side-installed type vacuum circuit breaker
08/22/2012CN202394797U High-voltage vacuum circuit breaker
08/22/2012CN202394796U Movable-type indoor high-voltage vacuum circuit breaker
08/22/2012CN202394795U Indoor solid-sealed pole type vacuum breaker
08/22/2012CN202394794U Gas-insulated load switch
08/22/2012CN202394793U Insulating draw bar
08/22/2012CN1926734B Compressed gas insulated separating switch component and leadthrough arrangement
08/22/2012CN102648506A Method for functionally checking a vacuum switch of a traction inverter
08/22/2012CN102646546A Intelligent self-energy-obtaining vacuum breaker
08/22/2012CN102646545A Medium-voltage circuit breaker for online monitoring of mechanical characteristics
08/22/2012CN102646544A Sulfur hexafluoride breaker
08/22/2012CN101702388B Variable-speed moving device of main contact and arc contact in arc extinguishing chamber
08/22/2012CN101479825B Vacuum recloser
08/22/2012CN101377985B Dynamic sealing device for middle/high voltage power switchgear
08/22/2012CN101162660B Activation by contacts of an interrupter tube with double movement by an insulating tube
08/21/2012US8247727 Arc chamber employing a number of gassing inserts to form a number of gas flow circulation paths and electrical switching apparatus including the same
08/21/2012US8247726 Electrical switching apparatus and arc chute assembly therefor
08/21/2012US8247725 Vacuum switchgear
08/21/2012CA2647861C Grounding switch
08/16/2012WO2012040760A3 Inverter and method for isolating photovoltaic modules from an inverter
08/16/2012DE102011011311A1 Antrieb für einen Hochspannungsleistungsschalter Drive for a high voltage circuit breaker
08/16/2012DE102011006013B3 Vakuumschaltröhre und Schalterpol Vacuum interrupter and switch pole
08/15/2012EP2487700A1 Terminals for vacuum circuit breaker and vacuum circuit breaker having the same
08/15/2012EP1952415B1 Vacuum switchgear assembly, system and method
08/15/2012EP1938349B1 Electric switching device arrangement
08/15/2012CN202384691U Isolated sealed electrode pillar and switch cabinet
08/15/2012CN202384284U 熔丝筒及开关柜 Fuse tube and switchgear
08/15/2012CN202384252U Rapid switching on/off indicating device for permanent magnet circuit-breaker
08/15/2012CN202384251U Connecting structure of outdoor high voltage permanent magnetic vacuum circuit breaker and main shaft
08/15/2012CN202384250U Disc type and overlay type gyromagnetic transverse blow vacuum arc extinguish chamber
08/15/2012CN202384249U 真空断路器密封装置及真空断路器 Vacuum breaker seal and vacuum circuit breakers
08/15/2012CN202384248U Vacuum load switch
08/15/2012CN202384247U Reversible vacuum contactor modularization combination switch
08/15/2012CN202384246U Opening tripping device of an operation mechanism
08/15/2012CN202384245U Closing resistor closing transmission delay device
08/15/2012CN202384244U Quick three-position isolation switch
08/15/2012CN202384243U Load isolating switch
08/15/2012CN102640247A Valve arrangement
08/15/2012CN102639880A Valve arrangement
08/15/2012CN102637550A Terminals for vacuum circuit breaker and vacuum circuit breaker having the same
08/15/2012CN102637549A Flexible shunt for vacuum circuit breaker
08/15/2012CN102637548A Vacuum interrupter for vacuum circuit breaker
08/15/2012CN102637547A Manual energy storage device for sulfur hexafluoride circuit breaker
08/15/2012CN101964271B High-voltage switch transfer current device
08/15/2012CN101645368B Electric switch provided with separate arc-extinguishing device
08/15/2012CN101083181B A puffer circuit breaker with an overpressure valve
08/14/2012US8242402 Gas-insulated switchgear device with optical current sensor
08/09/2012WO2012104955A1 Opening/closing device and mechanism for operating opening/closing device
08/09/2012WO2012104910A1 Power switch device operation time prediction equipment and method
08/09/2012WO2012104377A1 Vacuum bulb system comprising a locking means
08/09/2012WO2012104371A1 Electrical equipment comprising a mobile part having improved dynamics
08/09/2012US20120199558 Commutating Circuit Breaker
08/09/2012US20120199557 Flexible shunt for vacuum circuit breaker
08/09/2012US20120199556 Terminals for vacuum circuit breaker and vacuum circuit breaker having the same
08/09/2012DE102009031904B4 Hydraulischer Antrieb Hydraulic drive
08/08/2012EP2485235A1 Vacuum interrupter for vacuum circuit breaker
08/08/2012EP2485229A1 Flexible shunt for vacuum circuit breaker
08/08/2012EP2483900A1 Winding for a contact of a medium-voltage vacuum bulb having improved arc cutoff, and related vacuum bulb and circuit breaker, such as an alternator disconnect circuit breaker
08/08/2012CN202373518U Gyromagnet pressure air type arc-extinguishing chamber structure of SF6 circuit breaker
08/08/2012CN202373517U Vacuum circuit breaker
08/08/2012CN202373516U Double-opening-speed permanent-magnet operation mechanism
08/08/2012CN202373515U Knob type manual mechanism for emergently triggering loading of vacuum circuit breaker
08/08/2012CN202373514U Intelligent power-saving high-voltage vacuum circuit breaker
08/08/2012CN202373513U Fixation-encapsulation terminal post for vacuum circuit breaker
08/08/2012CN202373512U Vacuum circuit breaker
08/08/2012CN202373511U SF6 load switch device
08/08/2012CN202373510U Device for stabilizing one-way valve of expansion chamber in circuit breaker
08/08/2012CN102629530A Arc-extinguishing load switch and switch equipment
08/08/2012CN101866774B Switching big-parameter bus transfer current device of extra-high voltage disconnector
08/08/2012CN101807472B Vacuum tube group for replacing copper-tungsten contact group of on-load tap changer
08/08/2012CN101425422B Electric power opening and closing device and gas insulation circuit-breaker
08/08/2012CN101268536B Method for producing circuit-breaker parts for low, medium and high-voltage switching stations and corresponding circuit-breaker part
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