| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 01/03/2008 | DE102006031217A1 Blowing nozzle for high voltage circuit breaker, has contact unit, projects in blowing nozzle channel during switching operation, where wall limiting channel is partly formed from incineration resistant material |
| 01/03/2008 | CA2653727A1 Vacuum recloser |
| 01/02/2008 | EP1873804A2 Method of fixing an element in an electrical device and electrical device such as a vacuum bulb comprising at least two parts fixed using such a method |
| 01/02/2008 | EP1872380A2 Load disconnecting switch and switchgear with a load disconnecting switch |
| 01/02/2008 | CN201000857Y High-alumina electronic ceramic vacuum switch tube |
| 01/02/2008 | CN201000856Y Ceramic vacuum switch tube |
| 01/02/2008 | CN201000855Y Glass vacuum switch tube |
| 01/02/2008 | CN201000854Y Vacuum circuit breaker of permanent magnetism device |
| 01/02/2008 | CN201000853Y Vacuum loaded switch |
| 01/02/2008 | CN201000852Y Circuit breaker dedicated for LW24-40.5 outdoor high-voltage AC can-type SF6 |
| 01/02/2008 | CN201000851Y Vacuum loaded switch and combined electrical apparatus |
| 01/02/2008 | CN201000850Y High-voltage circuit breaker of three-phase integrated horizontal arrangement |
| 01/02/2008 | CN201000816Y Rotating clutch |
| 01/02/2008 | CN201000815Y mechanical type manual braking device for permanent-magnetic device |
| 01/02/2008 | CN201000814Y Mechanical type manual braking device for permanent-magnetic device |
| 01/02/2008 | CN201000334Y Device for monitoring range |
| 01/02/2008 | CN101098599A Method of fixing an element in an electrical device and electrical device such as a vacuum bulb comprising at least two parts fixed using such a method |
| 01/02/2008 | CN101097815A Visible open indicator |
| 01/02/2008 | CN101097808A Cylindrical slot guide activation of an alternator load-break switch |
| 01/01/2008 | US7313964 Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
| 12/27/2007 | WO2007149976A2 Separate tanks for a power distribution transformer and a high voltage switch |
| 12/27/2007 | US20070295694 Electrical Device Containing Insulating Gas Under Pressure and Including a Composite Insulator Provided With a Window for Observing Contacts |
| 12/27/2007 | US20070295693 Nozzle fastening for electrical switching apparatus |
| 12/27/2007 | US20070295692 Fault tolerant high voltage switching elements and electrical components |
| 12/27/2007 | US20070295691 Vacuum recloser |
| 12/27/2007 | DE102006041377B3 Armature for circuit breaker, has connecting unit made of material with high electrical conductivity, and cooling body made of material with high thermal conductivity, where cooling body encloses connecting unit in form-fit manner |
| 12/27/2007 | DE102006027821A1 Elektrischer Schaltkontakt Electrical switch contact |
| 12/26/2007 | EP1870916A1 Cylindrical slot guide activation of an alternator load-break switch |
| 12/26/2007 | CN200997359Y Online reverse osmose sealing leakage cap of electric-power air and oil filler |
| 12/26/2007 | CN100358199C Single phase or polyphase switchgear in enveloping housing |
| 12/26/2007 | CN100358071C Shaft, method for producing it and device for carrying out the method |
| 12/26/2007 | CN100358070C High-power switchgear with cooling rib arrangement |
| 12/26/2007 | CN100358065C Solenoid operator and solenoid-operated switching device and control device for electromagnet |
| 12/25/2007 | US7312680 Manual switch-off device of a permanent magnet switch operating mechanism |
| 12/25/2007 | US7312412 High power liquid dielectric switch |
| 12/21/2007 | WO2005038838A3 High power liquid dielectric switch |
| 12/20/2007 | US20070289948 Circuit breaker |
| 12/19/2007 | CN200993927Y Contact for vacuum arc extinguishing chamber |
| 12/19/2007 | CN200993926Y Power switch, especially high current switch |
| 12/19/2007 | CN101090042A Power switching control apparatus |
| 12/19/2007 | CN101090041A Solid insulated disconnection switch and solid insulated switchgear using the same |
| 12/19/2007 | CN100356493C Electric switcher |
| 12/18/2007 | US7310221 Switching installation provided with an electrically insulating barrier |
| 12/13/2007 | WO2007141238A1 Polyphase switch panel for medium-voltage switchgear assemblies |
| 12/13/2007 | DE102006027149A1 Drive section e.g. switch rod, for kinematic linkage, has several condensers, which are integrated at wall of drive section, which is designed as hollow pipe, where drive section is formed partially from laminates having several positions |
| 12/12/2007 | EP1322971A4 Re-locatable partial discharge transducer head |
| 12/12/2007 | EP1078381B1 Bistable magnetic drive for a switch |
| 12/12/2007 | CN200990338Y Switch equipment used in electric system |
| 12/12/2007 | CN200990337Y Breaker intelligent controller |
| 12/12/2007 | CN200990336Y Outdoor high-voltage permanent magnetic vacuum circuit breaker |
| 12/12/2007 | CN200990335Y Mine flame-proof essential safety vacuum combined switch |
| 12/12/2007 | CN200990334Y Current converter |
| 12/12/2007 | CN200990333Y Vacuum circuit breaker pole column |
| 12/12/2007 | CN200990332Y Multichannel permanent magnetic operating mechanism intelligent synchronous controlling device |
| 12/12/2007 | CN101088135A Heavy-duty circuit breaker comprising a hot gas seal |
| 12/12/2007 | CN101086933A 真空开关管触头和真空开关管 Vacuum switch and vacuum switch contacts |
| 12/12/2007 | CN101086932A A vacuum breaker contact |
| 12/12/2007 | CN101086931A Face contact sliding four-pole drive disk spring energy storage operation machine |
| 12/12/2007 | CN101086924A Circuit-breaker disconnecting switch of an alternator activated by a servomotor |
| 12/12/2007 | CN100355001C Method for making high-voltage four-position load switch of sulfur hexafluo ride |
| 12/06/2007 | WO2007138900A1 Breaker |
| 12/06/2007 | WO2007137977A1 Gas-insulated switchpanel of a medium-voltage switchgear assembly |
| 12/06/2007 | US20070278188 Connector system for an insulated switch with provision for grounding and visible break |
| 12/06/2007 | US20070278187 Visible open indicator |
| 12/06/2007 | US20070278186 Nozzle For A Gas-Insulated Switching Device And Related Switching Device |
| 12/06/2007 | US20070278070 Jerking-initiated switch |
| 12/06/2007 | US20070278069 Jerking-initiated switch |
| 12/06/2007 | DE202007013841U1 Elektrisches Schaltgerät Electrical switching apparatus |
| 12/06/2007 | DE102006026064A1 Elektrische Schaltanordnung und Montageverfahren Electric circuit and method of assembly |
| 12/06/2007 | CA2653677A1 Gas-insulated switchpanel of a medium-voltage switchgear assembly |
| 12/05/2007 | EP1863138A2 Connector system for an insulated switch with provision for grounding and visible break |
| 12/05/2007 | EP1863054A1 A puffer circuit breaker with an overpressure valve |
| 12/05/2007 | EP1863053A1 Visible open indicator |
| 12/05/2007 | EP1863052A1 Vessel for a gas-insulated switchgear |
| 12/05/2007 | CN200986886Y Permanent magnet control mechanism vacuum circuit breaker |
| 12/05/2007 | CN200986885Y Extra-high voltage circuit breaker for GIS |
| 12/05/2007 | CN101084564A High voltage switchgear |
| 12/05/2007 | CN101083181A A puffer circuit breaker with an overpressure valve |
| 12/04/2007 | US7304262 Vacuum encapsulation having an empty chamber |
| 12/04/2007 | US7302854 Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
| 11/29/2007 | US20070273461 Electro-Magnetic Force Driving Actuator and Circuit Breaker Using the Same |
| 11/29/2007 | US20070272659 Switching chamber for a gas-insulated high-voltage circuit breaker |
| 11/29/2007 | US20070272658 Puffer circuit breaker with an overpressure valve |
| 11/28/2007 | EP1859465A1 Electric supply circuit, switch actuating device and method for operating said switch actuating device |
| 11/28/2007 | EP1859463A1 Curve profile switch |
| 11/28/2007 | EP1859462A1 Magnetic actuating device |
| 11/28/2007 | CN101079349A Low-voltage integrated appliance |
| 11/27/2007 | US7301426 Electromagnetic actuator |
| 11/27/2007 | CA2355182C An apparatus for transmitting a movement between components |
| 11/22/2007 | WO2007132598A1 Vacuum circuit breaker of tank type |
| 11/22/2007 | WO2007131968A1 Circuit breaker |
| 11/22/2007 | US20070267388 Electrical switching system |
| 11/22/2007 | DE102006023372A1 Leistungsschalter Circuit breaker |
| 11/22/2007 | CA2641554A1 Vacuum circuit breaker of tank type |
| 11/21/2007 | EP1858044A2 Switchgear |
| 11/21/2007 | CN101075509A High-voltage vacuum circuit breaker with mono-fracture voltage to 252kV |
| 11/21/2007 | CN100350536C 开合感应电流真空开关 Opening and closing of the induced current vacuum switch |
| 11/21/2007 | CN100350535C Dual-fracture surface vertical disjunction extra-high-voltage isolated switch |
| 11/21/2007 | CN100350534C Four pole multi speed disjunction contact of extra-high-voltage breaker |
| 11/21/2007 | CN100350533C Extra-high-voltage isolated switch lotus contact |