| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 09/25/2013 | EP2641254A1 Bellows for use in vacuum interrupters |
| 09/25/2013 | CN203218173U Permanent magnet-driven high-voltage intelligent vacuum circuit breaker |
| 09/25/2013 | CN203218172U 真空断路器 Vacuum Circuit Breaker |
| 09/25/2013 | CN203218171U Vacuum arc-extinguishing chamber sleeved by insulation sleeve |
| 09/25/2013 | CN203218170U Plateau type outdoor vacuum circuit breaker insulating sleeve |
| 09/25/2013 | CN203218169U Vacuum on-load tap-changer reversing contact installation structure |
| 09/25/2013 | CN203218168U Environment-friendly intelligent outdoor vacuum circuit breaker on post |
| 09/25/2013 | CN203218167U AC vacuum contactor |
| 09/25/2013 | CN203218166U Indoor high steady-state vacuum circuit breaker |
| 09/25/2013 | CN203218165U 真空断路器 Vacuum Circuit Breaker |
| 09/25/2013 | CN203218164U Interlock, indication and auxiliary switch structure of single-motor three-station mechanism |
| 09/25/2013 | CN203218118U Buffer for breaker |
| 09/25/2013 | CN103329375A 开关 Switch |
| 09/25/2013 | CN103329235A Interrupter insert for a circuit breaker arrangement |
| 09/25/2013 | CN103329234A Vacuum interrupter arrangement for a circuit breaker |
| 09/25/2013 | CN103329233A Compact vacuum interrupter with selective encapsulation |
| 09/25/2013 | CN103329232A Apparatus for removing protective gas by suction from a container |
| 09/25/2013 | CN103329231A Electrical equipment comprising a mobile part having improved dynamics |
| 09/25/2013 | CN103325627A Fast and intelligent 10KV pole-mounted breaker |
| 09/25/2013 | CN103325615A Breaker compressed-air type arc extinguish chamber |
| 09/25/2013 | CN103325614A Method and device for detecting vacuum degree of vacuum circuit breaker |
| 09/25/2013 | CN103325613A Vacuum circuit breaker |
| 09/25/2013 | CN103325612A Spring operation mechanism of vacuum switch |
| 09/25/2013 | CN103325611A Separated magnetic-circuit permanent magnetic mechanism |
| 09/25/2013 | CN103325610A Solid-sealed polar pole |
| 09/25/2013 | CN103325609A Vacuum switch for medium-voltage switching capacitor bank |
| 09/25/2013 | CN102360984B Device for connecting circuit breaker with sulfur hexafluoride gas tank |
| 09/25/2013 | CN102184803B Manual closing device of antitheft vacuum circuit breaker |
| 09/25/2013 | CN101981644B Switch device and operating mechanism for switch device |
| 09/19/2013 | WO2013136516A1 Gas circuit breaker |
| 09/19/2013 | WO2013136015A1 Mixture of a hydrofluoroolefin and hydrofluorocarbon for improving internal arc resistance in medium- and high-voltage electrical apparatuses |
| 09/19/2013 | WO2013135505A1 Switching device, in particular load interrupter |
| 09/19/2013 | US20130240485 Switchgear |
| 09/19/2013 | DE112011104456T5 Leistungs-Schaltvorrichtung Power switching device |
| 09/19/2013 | DE112011104445T5 Schaltvorrichtung Switching device |
| 09/19/2013 | DE102012005358A1 Direct current switching device has control device which is switched off by contact elements to approach switching contacts with small arc resistor and high arc resistor respectively |
| 09/18/2013 | EP2639805A2 Method, circuit breaker and switching unit for switching off high-voltage DC currents |
| 09/18/2013 | EP2638554A1 Improvements in or relating to insulator assemblies |
| 09/18/2013 | CN203205333U High voltage load switch allowing manual energy storage |
| 09/18/2013 | CN203205332U Self-energy-storage high voltage load switch |
| 09/18/2013 | CN203205331U High-voltage load switch |
| 09/18/2013 | CN203205330U Intelligent branch boundary vacuum circuit breaker of built-in zero sequence current transformer |
| 09/18/2013 | CN203205329U Intelligent branch boundary vacuum circuit breaker of built-in voltage transformer |
| 09/18/2013 | CN203205328U High-voltage load switch equipped with five-prevention lock |
| 09/18/2013 | CN203205327U Intelligent type low voltage vacuum circuit breaker |
| 09/18/2013 | CN203205326U A vacuum contactor |
| 09/18/2013 | CN203205325U Protective sleeve of vacuum circuit breaker |
| 09/18/2013 | CN203205324U Fixed contact of single-phase air bypass switch |
| 09/18/2013 | CN203205323U Electrical switchgear |
| 09/18/2013 | CN203205322U Driving mechanism of gas insulated switch |
| 09/18/2013 | CN203205321U Separating mechanism for drive portion and auxiliary contact of gas insulated switchgear |
| 09/18/2013 | CN203205259U Oil-immersed double-layered contact vacuum load pressure regulating tap switch for intelligent power distribution network |
| 09/18/2013 | CN203205258U Arc extinguishing conversion selector with potential resistor connected in series with vacuum tube |
| 09/18/2013 | CN103311049A Circuit breaker arc extinguishing chamber and static arc contact thereof |
| 09/18/2013 | CN103311048A Direct-acting type sealing device of high-voltage vacuum circuit breaker |
| 09/18/2013 | CN103311047A Permanent magnetic operating mechanism |
| 09/18/2013 | CN103311046A Isolation/grounding vacuum arc extinguishing tube |
| 09/18/2013 | CN103311045A Integrated insulation connection structure of electromagnet and vacuum arc-extinguishing chamber |
| 09/18/2013 | CN103311044A Combined insulation connection structure of electromagnet and vacuum arc-extinguishing chamber |
| 09/18/2013 | CN103311043A Solid insulation vacuum switch |
| 09/18/2013 | CN103311042A Novel upper conducting rod structure and production method thereof |
| 09/18/2013 | CN103311041A Switching control method of VVVE permanent-magnet vacuum circuit breaker |
| 09/18/2013 | CN103311040A Hydromechanical storage module for a stored-energy spring mechanism of a high-voltage switch |
| 09/18/2013 | CN103311024A Bracket for assembling ZW32 vacuum circuit breaker switch |
| 09/18/2013 | CN102332365B Vacuum breaker isolation device and anti-maloperation method thereof |
| 09/18/2013 | CN102067259B Controller unit for switching device |
| 09/17/2013 | CA2475556C Isolation contactor assembly having independently controlled contactors |
| 09/12/2013 | WO2013131610A1 Hydromechanical storage module for a stored-energy spring mechanism of a high-voltage switch |
| 09/12/2013 | WO2013131582A1 Device for switching direct currents |
| 09/12/2013 | WO2013131581A1 Device for switching a dc current in a pole of a dc voltage network |
| 09/12/2013 | WO2013131580A1 Method for connecting a dc voltage network section by means of a dc voltage switch |
| 09/12/2013 | WO2013131557A1 Arc-jump circuit breaker and method of circuit breaking |
| 09/12/2013 | US20130234813 Electromagnetic contactor, electromagnetic contactor gas encapsulating method, and electromagnetic contactor manufacturing method |
| 09/12/2013 | US20130233831 Hybrid circuit breaker having a switch with return on closure |
| 09/12/2013 | DE102012007680A1 Hydromechanisches Speichermodul für einen Federspeicherantrieb eines Hochspannungsschalters Hydromechanical memory module for a spring-type drive a high voltage switch |
| 09/11/2013 | EP2637189A1 Phase control switching device and closing phase control method |
| 09/11/2013 | EP2637188A1 Arc chuteless DC current interruptor |
| 09/11/2013 | EP2636052A2 Limit stop apparatus, circuit breakers including limit stops, and methods of using same |
| 09/11/2013 | CN203192691U Operating mechanism for three-position vacuum interrupter |
| 09/11/2013 | CN203192690U Mining explosion-proof vacuum feeder switch |
| 09/11/2013 | CN203192689U Switching-off structure of circuit breaker mechanism |
| 09/11/2013 | CN203192688U Manual switching-off mechanism for ring main unit |
| 09/11/2013 | CN203192687U Permanent magnet vacuum circuit breaker hand-operated switch-on apparatus |
| 09/11/2013 | CN203192686U Low bounce vacuum explosion chamber structure |
| 09/11/2013 | CN203192685U Sealing surface structure of electric power equipment |
| 09/11/2013 | CN203192684U Integrated solid-sealed polar pole for intellectualized circuit breaker |
| 09/11/2013 | CN203192683U Integrated intelligent circuit breaker with inrush current suppression |
| 09/11/2013 | CN203192682U Pole-sealed two-phase outdoor vacuum circuit breaker |
| 09/11/2013 | CN203192681U Solid full-insulation switch |
| 09/11/2013 | CN203192680U Hybrid full-insulation switch |
| 09/11/2013 | CN203192679U 负荷开关端盖 Load switch cover |
| 09/11/2013 | CN203192678U Load switch shell |
| 09/11/2013 | CN203192677U Multifunctional lower shell of load switch |
| 09/11/2013 | CN203192676U Multifunctional upper shell of load switch |
| 09/11/2013 | CN203192675U Multifunction end cover of load switch |
| 09/11/2013 | CN203192674U GIS voltage transformer control device |
| 09/11/2013 | CN203192673U Novel on/off transmission device for high-voltage electric apparatus |
| 09/11/2013 | CN103299544A Circuit arrangements for electronically controlled DC networks |
| 09/11/2013 | CN103299389A Method of extinguishing an electric arc in a low or high voltage switchgear by pulse discharge |
| 09/11/2013 | CN103296636A High-voltage direct-current gas breaker based on self-excited oscillation circuit |