| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 08/21/2013 | CN103262197A Inrush-current suppression device |
| 08/21/2013 | CN102360985B High-voltage vacuum circuit breaker |
| 08/21/2013 | CN102254713B On-load capacity-regulating switch with single fracture |
| 08/21/2013 | CN102217012B Electromagnetic device |
| 08/21/2013 | CN101167149B Load-break switch |
| 08/15/2013 | WO2013119288A2 Solid-dielectric switch including a molded viewing window |
| 08/15/2013 | US20130206729 Switch unit with arc-extinguishing units |
| 08/15/2013 | US20130206728 Solid-dielectric switch including a molded viewing window |
| 08/15/2013 | CA2861337A1 Solid-dielectric switch including a molded viewing window |
| 08/14/2013 | EP2626878A1 Gas-insulated high-voltage circuit breaker with obstructing member |
| 08/14/2013 | EP2626877A1 Circuit breaker phase control switching system and circuit breaker control unit |
| 08/14/2013 | CN203134693U A linkage blowing and spraying arc extinguishing air switch contact mechanism |
| 08/14/2013 | CN203134692U Vacuum degree online monitoring system |
| 08/14/2013 | CN203134691U Three position breaker operation mechanism |
| 08/14/2013 | CN203134690U Vacuum switch with closing self-locking function |
| 08/14/2013 | CN203134689U Breaker bistable permanent magnetic operating mechanism electric control system |
| 08/14/2013 | CN203134688U Vacuum load switch operating mechanism and electrical control circuit |
| 08/14/2013 | CN203134687U Hand-operated energy storage mechanism |
| 08/14/2013 | CN203134686U Integration device of load switch and manual type isolation knife switch |
| 08/14/2013 | CN203134685U Manual and electric vacuum load switch opening and closing device |
| 08/14/2013 | CN203134684U Vacuum load switch latch device |
| 08/14/2013 | CN203134683U Transmission shaft for breaker and breaker dial mechanism using transmission shaft |
| 08/14/2013 | CN203134682U Three-phase common-case vacuum circuit breaker and breaker dial mechanism |
| 08/14/2013 | CN203134681U Interlocking mechanism |
| 08/14/2013 | CN203134680U Electrical interlocking mechanism |
| 08/14/2013 | CN203134679U Vacuum on-load tap-changer |
| 08/14/2013 | CN203134678U High-tension switch and switch cabinet including same |
| 08/14/2013 | CN203134677U Insulating cylinder and main loop structure adopting same |
| 08/14/2013 | CN203134676U Vacuum load switch |
| 08/14/2013 | CN203134675U Three-station breaker |
| 08/14/2013 | CN203134674U Outdoor high-voltage vacuum circuit breaker with bird repelling device |
| 08/14/2013 | CN203134673U Vacuum circuit breaker with ventilation device |
| 08/14/2013 | CN203134672U Vacuum circuit breaker |
| 08/14/2013 | CN203134671U Vacuum contactor used for wind power generation |
| 08/14/2013 | CN203134670U Three-phase common-box vacuum circuit breaker and main loop structure thereof |
| 08/14/2013 | CN203134669U Lower terminal assembly of vacuum circuit breaker |
| 08/14/2013 | CN203134668U Conductive terminal for vacuum load switch |
| 08/14/2013 | CN203134667U Vacuum load switch with epoxy resin support piece |
| 08/14/2013 | CN203134666U Solid-sealed polar pole and solid insulation ring main unit |
| 08/14/2013 | CN203134665U Connection structure between flexible connector and lower outlet seat |
| 08/14/2013 | CN203134664U Novel device applied to supplementing gas during operation of circuit breaker |
| 08/14/2013 | CN203134663U Easy-leakage-detection high voltage switch cylinder and high voltage switch using cylinder |
| 08/14/2013 | CN203134662U High voltage switch cylinder and high voltage switch using cylinder |
| 08/14/2013 | CN203134661U Easy-detection high voltage switch cylinder and high voltage switch using cylinder |
| 08/14/2013 | CN203134660U Easy-detection high voltage switch cylinder and high voltage switch using cylinder |
| 08/14/2013 | CN203134659U Self-locking mechanism for outdoor high-voltage isolation load switch operating mechanism |
| 08/14/2013 | CN203134658U Three-position switch operating mechanism |
| 08/14/2013 | CN203134657U Energy storage mechanism for circuit breaker spring operating mechanism |
| 08/14/2013 | CN203134656U Explosion chamber assembling of vacuum circuit breaker |
| 08/14/2013 | CN203134655U An air switch contact mechanism containing drying agent |
| 08/14/2013 | CN203134654U Load switch insulator part terminal connection device |
| 08/14/2013 | CN203134483U Basin type insulator and high voltage switch using insulator |
| 08/14/2013 | CN203134482U Easy-leakage-detection insulator and high voltage switch using insulator |
| 08/14/2013 | CN203134481U Easy-leakage-detection insulator and high voltage switch using insulator |
| 08/14/2013 | CN203134480U Insulator and high voltage switch using insulator |
| 08/14/2013 | CN103250222A Storage module for a hydraulic stored-energy spring mechanism |
| 08/14/2013 | CN103249974A Pressure-resistant fluid encapsulation |
| 08/14/2013 | CN103247470A Insulated isolating switch of vacuum breaker |
| 08/14/2013 | CN103247469A High-voltage load switch with five-prevention lock |
| 08/14/2013 | CN103247458A Drive device used for electric switch apparatus, electric switch apparatus and system comprising at least two electric switch apparatuses |
| 08/14/2013 | CN102332366B Combination device for testing large current aging and vacuum degree of a vacuum arc extinguish chamber |
| 08/14/2013 | CN102184804B Manual closing energy-storing resetting device of vacuum circuit breaker |
| 08/13/2013 | US8507822 Contact member including purposely introduced undulations and vacuum interrupter including the same |
| 08/08/2013 | WO2013113573A1 A mechanical superconducting switch |
| 08/08/2013 | WO2013113499A1 Vacuum interrupter with transition areas between metal housing parts and ceramic housing parts covered by insulating material |
| 08/08/2013 | DE102012201853A1 Drive structure e.g. motor drive for turning ON/OFF e.g. compact circuit breaker, has Bowden cable locking module that is located in active connection with drive structure, and provided for mutually locking electrical switching device |
| 08/08/2013 | DE102012201677A1 Elektrisches Schaltgerät, insbesondere Leistungsschalter Electrical switching device, in particular circuit breaker |
| 08/08/2013 | DE102012201552A1 Elektrischer Schalter Electric switch |
| 08/08/2013 | DE102012201549A1 Elektrischer Schalter Electric switch |
| 08/07/2013 | EP2624273A1 Vacuum interrupter with transition areas between metal housing parts and ceramic housing parts covered by insulating material |
| 08/07/2013 | EP2622620A1 Compact vacuum interrupter with selective encapsulation |
| 08/07/2013 | CN203120183U Electric heating system adaptive to severely cold weather for switches |
| 08/07/2013 | CN203118859U Improved arcing chamber insulation tube |
| 08/07/2013 | CN203118858U Novel vacuum AC contactor |
| 08/07/2013 | CN203118857U Three-phase load switch |
| 08/07/2013 | CN203118856U Load switch capable of quickly extinguishing arcs |
| 08/07/2013 | CN203118855U Vacuum circuit breaker convenient to maintain |
| 08/07/2013 | CN203118854U Outdoor high-voltage vacuum circuit breaker |
| 08/07/2013 | CN203118853U Novel outdoor high-voltage vacuum circuit breaker |
| 08/07/2013 | CN203118852U Vacuum circuit breaker |
| 08/07/2013 | CN203118851U Moisture-proof outdoor high-voltage vacuum circuit breaker |
| 08/07/2013 | CN203118850U High-current solid sealed pole with self heat dissipation |
| 08/07/2013 | CN203118849U Bypass isolation switch |
| 08/07/2013 | CN203118848U High voltage circuit breaker operating mechanism driven based on permanent magnet brushless direct current motor |
| 08/07/2013 | CN203118847U Load switch |
| 08/07/2013 | CN203118846U Load switch with evener electric field distribution between contactors |
| 08/07/2013 | CN203118845U Durable load switch |
| 08/07/2013 | CN203118800U Modularized operating mechanism and high-voltage switch employing thereof |
| 08/07/2013 | CN103238197A Magnetizing inrush current suppression device |
| 08/07/2013 | CN103238196A Electrical contact arrangement |
| 08/07/2013 | CN103236372A PWM (pulse width modulation) based monostable vacuum circuit breaker permanent magnetic operating mechanism control method and device for implementing same |
| 08/07/2013 | CN103236371A Split insulated connecting structure of electromagnet and vacuum arc-extinguishing chamber |
| 08/07/2013 | CN103236358A Buffer for circuit breaker |
| 08/07/2013 | CN103236357A Novel switchgear |
| 08/07/2013 | CN102280297B Three-position isolating switch |
| 08/07/2013 | CN102024618B Valve for gas circuit breaker and gas circuit breaker with the same |
| 08/07/2013 | CN101772817B Switching pole for a high-voltage network |
| 08/07/2013 | CN101290847B Circuit breaker with rupture chamber having double movement and inverted structure |
| 08/06/2013 | US8502419 Medium voltage circuit breaker with capacitor bank supervisor |
| 08/06/2013 | US8502102 DC switching device |