Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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07/01/2010 | CA2747910A1 Isolating apparatus for electric power lines and methods for forming and using the same |
06/30/2010 | CN201518289U Electric operating mechanism for 10 kV isolating switch |
06/30/2010 | CN101764374A Solid insulation fully closed combined electrical apparatus |
06/30/2010 | CN101763977A Driving mechanism for isolating switch |
06/30/2010 | CN101763976A Method for reducing failure rate of knife switch on 10KV column |
06/30/2010 | CN101246783B Intelligent locking method of outdoor looped network cabinet wire spacing ground switch |
06/24/2010 | US20100156434 Testing Apparatus |
06/24/2010 | US20100155212 Isolating apparatus for electric power lines and methods for forming and using the same |
06/23/2010 | EP2200060A1 Medium-voltage electric distribution cell |
06/23/2010 | EP2200057A1 Driving mechanism for a medium or high voltage disconnector |
06/23/2010 | EP2198439A1 Load interrupter |
06/23/2010 | CN201514887U Indoor high-voltage three-station isolating switch |
06/23/2010 | CN201514886U Isolating switch with double-gap structure |
06/23/2010 | CN201514885U Improved structure of fuse type isolating switch |
06/23/2010 | CN201514884U Interlocking mechanism of disconnector and grounding switch |
06/23/2010 | CN201514883U Manual operating mechanism of isolating switch |
06/23/2010 | CN201514882U Large current knife type high-pressure switch |
06/23/2010 | CN1902721B Electrical contact element for medium or high voltage electrical equipment, and corresponding method and equipment |
06/23/2010 | CN101752139A Isolation switch and switch cabinet with same |
06/23/2010 | CN101142646B Metal bracket for retaining fuses in the cover of a fused interrupter |
06/17/2010 | US20100148797 Esd detection circuit and related method thereof |
06/16/2010 | CN201508795U Wiring device of isolating switch |
06/16/2010 | CN101344127B Sliding column type jaw clutch |
06/09/2010 | CN201503800U Directly-actuated 12kV indoor isolating switch |
06/09/2010 | CN201503799U Device for eliminating influence of inductive charges on output of display supports |
06/09/2010 | CN201503798U Contact knife of isolating switch |
06/09/2010 | CN201503797U Connecting structure for rotating shaft and turning arm of isolating switch |
06/09/2010 | CN201503796U Pin colliding structure for manual operating mechanism of isolating switch |
06/09/2010 | CN201503795U One-way isolating switch |
06/09/2010 | CN101728113A Isolating switch with multi-element contacts |
06/09/2010 | CN101728112A A switching device, a switchgear provided therewith, and a method of operating a switching device |
06/03/2010 | WO2010060576A1 Electrical disconnector |
06/02/2010 | EP2192605A1 Device for disconnecting an electric circuit and electricity distribution box comprising such a disconnecting device |
06/02/2010 | CN201498869U Vacuum ring main unit |
06/02/2010 | CN201498424U Isolating switch fuse group |
06/02/2010 | CN201498423U Fuse type isolation switch |
06/02/2010 | CN201498422U Moving contact device of outdoor high-voltage isolating switch |
06/02/2010 | CN201498421U High-voltage isolating switch |
06/02/2010 | CN201498420U Conductive device used between rotator of gas insulated metal-enclosed switchgear |
06/02/2010 | CN201498419U Quick ground switch used for gas insulated metal-enclosed switchgear |
06/02/2010 | CN101308732B Electric connection apparatus for high-voltage isolating switch |
05/26/2010 | EP2188821A1 Fused load disconnector with double contact guard for variable connecting direction |
05/26/2010 | EP2188819A1 Load interrupter |
05/26/2010 | CN201490075U Remote control isolation switch |
05/26/2010 | CN201490046U Novel load switch interlocking mechanism |
05/26/2010 | CN101714476A High-voltage isolating switch |
05/25/2010 | US7724112 Safety switch |
05/25/2010 | US7723998 Integrated circuit protection and detection grid |
05/19/2010 | EP1504508B1 Switching installation provided with an electrically insulating barrier |
05/19/2010 | CN201478184U Outdoor single pole isolating switch for transmission line |
05/19/2010 | CN201478183U Outdoor AC high-voltage isolating switch |
05/19/2010 | CN201478182U Moving and static contacts connecting structure of indoor high-voltage earthing switch |
05/19/2010 | CN201478135U Conductive bearing of high-voltage disconnecting switch |
05/19/2010 | CN101710544A Electric operating device of indoor high-voltage isolating switch |
05/14/2010 | WO2010052560A1 Disconnecting element and electric disconnector comprising said disconnecting element |
05/12/2010 | CN201465877U AC high-voltage grounding switch |
05/12/2010 | CN201465876U Linkage mechanism of isolating switch |
05/12/2010 | CN201465875U Rotatable driving connecting device |
05/12/2010 | CN201465874U Simple contact device of high-voltage isolating switch |
05/12/2010 | CN201465873U Isolating switch |
05/12/2010 | CN201465872U Combined isolating switch operating tool |
05/12/2010 | CN201465871U Guillotine high-voltage switch with cooling function |
05/12/2010 | CN201465870U Locking pin port component of isolating switch |
05/12/2010 | CN201465869U Isolating reversing switch with oilless bearings |
05/12/2010 | CN201465865U Automatic locking knife switch without overheating contact |
05/12/2010 | CN201465836U High-voltage circuit breaker |
05/12/2010 | CN1783609B Gas insulation switch device |
05/12/2010 | CN1645697B Electric installation, switching room and switch board |
05/12/2010 | CN101707150A Bevel gear operating mechanism of grounding switch of medium-voltage switch set equipment |
05/06/2010 | DE102009036672A1 Niedervoltsicherheitsschalter für ein Hochvoltsystem eines Kraftfahrzeugs Low-voltage safety switch for a high-voltage system of a motor vehicle |
05/05/2010 | CN201449926U High-voltage load switch |
05/05/2010 | CN201449925U Heavy current welded type isolation apparatus |
05/05/2010 | CN201449924U Double-fracture bridge type heavy-current isolation device |
05/05/2010 | CN201449923U Electric operating mechanism of alternating current high-voltage disconnecting switch with double output shafts |
05/05/2010 | CN201449922U Electricity transformation false grounding prevention isolating switch |
05/05/2010 | CN201449921U Self compensating safety isolating switch |
05/05/2010 | CN101702385A Fuse disconnecting switch |
05/04/2010 | US7710123 Voltage variance tester |
04/28/2010 | EP2180490A1 A switching device, a switchgear provided therewith, and a method of operating a switching device |
04/28/2010 | EP2179429A1 Switch arrangement for a switchgear assembly |
04/28/2010 | CN201444461U Single-column vertical straight-swinging-type outdoor high-voltage AC grounding switch |
04/28/2010 | CN201444460U 10 kV high-voltage isolating switch |
04/28/2010 | CN201444459U Stable connection mechanism for high-voltage switching operation knife switch and auxiliary switch |
04/27/2010 | US7705880 Device, system and method for encoding employing redundancy and switching capabilities |
04/22/2010 | WO2010043604A1 Electric switching apparatus provided with two switches, such as a busbar sectionalising switch and an earthing switch, and including a driving means common to the mobile contacts of the switches |
04/22/2010 | US20100097074 Continuous series arc generator |
04/22/2010 | US20100097070 Method for performing a shield integrity test and for isolating trouble in the shield using graphical analysis |
04/21/2010 | EP2178100A1 Electrical switching apparatus equipped with two switches, such as a busbar section isolator and an earthing switch and comprising driving means shared with the mobile contacts of the switches |
04/21/2010 | EP2178099A1 High- or medium-voltage electrical switching apparatus with two switches comprising driving means shared with the mobile contacts of the switches |
04/21/2010 | EP2178097A2 Switchgear |
04/21/2010 | CN201440393U 110KV positive-negative isolating switch mechanical mistake-prevention locking device |
04/21/2010 | CN201440392U Integral contact socket of indoor high-voltage isolating switch |
04/21/2010 | CN201440387U Dual output-shaft operating mechanism of AC high-voltage isolating switch |
04/21/2010 | CN201440383U Neutral point grounding device isolating switch operating mechanism of generator |
04/15/2010 | US20100090709 Test apparatus and test method |
04/15/2010 | US20100090708 Electric discharge detection method and electric discharge machining apparatus |
04/14/2010 | CN201438437U Electrodynamic high voltage disconnecting switch |
04/14/2010 | CN201438436U Anti-dropping device for contact knife of high-voltage isolating switch |
04/14/2010 | CN201438426U Mechanical linkage type high-voltage circuit breaker |
04/08/2010 | DE102006059614B4 Sicherungs-Lasttrennschalter Fuse switch disconnectors |