| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 11/27/2013 | CN103413706A Switch of switch cabinet |
| 11/27/2013 | CN102420070B Rapidly-installed vacuum load switch used for outage-free task |
| 11/27/2013 | CN102280304B Moving contact assembly and intelligent electromagnetic isolation driving switch applying same |
| 11/27/2013 | CN102187537B Gas-insulated switching device |
| 11/27/2013 | CN102177565B Cutoff chamber for high-voltage circuit breaker with improved arc quenching |
| 11/27/2013 | CN101162663B Cyclone type nozzle high-pressure blowing circuit breakers with groove |
| 11/26/2013 | US8592709 Current path arrangement for a circuit breaker |
| 11/26/2013 | US8592708 Gas-insulated vacuum circuit breaker |
| 11/21/2013 | WO2013171928A1 Vacuum valve |
| 11/21/2013 | WO2013171877A1 Electromagnetic switch |
| 11/21/2013 | WO2013171074A1 Electrical contact arrangement |
| 11/21/2013 | WO2013170950A1 Shielding element for the use in medium voltage switchgears, and method for manufacture the same |
| 11/21/2013 | WO2013170405A1 Vacuum arc-extinguishing changeover selector |
| 11/21/2013 | US20130306601 Vacuum arc extinguishing change-over selector |
| 11/21/2013 | DE102012208140A1 Elektrische Kontaktanordnung The electrical contact assembly |
| 11/20/2013 | EP2665079A1 Shielding element for use in medium voltage switchgears, and method for manufacture the same |
| 11/20/2013 | EP2665078A1 Power switching control device and closing control method thereof |
| 11/20/2013 | EP2665077A1 High current switching device |
| 11/20/2013 | CN203300542U Self energy breaker and cylinder assembly thereof |
| 11/20/2013 | CN203300541U Monostablity side-mounted permanent-magnet vacuum circuit breaker |
| 11/20/2013 | CN203300540U Spring operation mechanism used for circuit breaker |
| 11/20/2013 | CN203300539U Contact for vacuum switch of longitudinal magnetic field |
| 11/20/2013 | CN203300538U Welding structure of mobile conductive rod and contact terminal for vacuum arc extinguish chamber |
| 11/20/2013 | CN203300537U Fixed exposed guide bushing device and vacuum explosion chamber |
| 11/20/2013 | CN203300536U Integrated vacuum contactor |
| 11/20/2013 | CN203300535U Vacuum switch tube sealing ring |
| 11/20/2013 | CN203300534U Dynamic tube core of vacuum switch tube |
| 11/20/2013 | CN203300533U Sulfur hexafluoride gas liquefaction-prevention device of sulfur hexafluoride high-voltage electrical equipment |
| 11/20/2013 | CN203300532U Induced current releasing device of 252KV outdoor high-voltage alternating-current grounding switch |
| 11/20/2013 | CN203300531U Vacuum switch tube guide sleeve fixing structure applied to vacuum circuit breaker |
| 11/20/2013 | CN203300509U Sealing and exhausting device of vacuum switch tube |
| 11/20/2013 | CN203300507U Soft sealing mould of vacuum switch tube |
| 11/20/2013 | CN103403830A Current-rise limitation in high-voltage DC systems |
| 11/20/2013 | CN103400723A Closing device of high-voltage vacuum circuit breaker |
| 11/20/2013 | CN103400722A Porcelain shell combination structure for vacuum arc-extinguishing chamber |
| 11/20/2013 | CN103400721A Split-spoon change-over switch in on-load tap-changer |
| 11/20/2013 | CN103400720A Solid insulation pole |
| 11/20/2013 | CN103400706A Load selector for on-load tap-changer |
| 11/20/2013 | CN101859661B Pole column of medium-voltage vacuum circuit breaker and assembling method thereof |
| 11/20/2013 | CN101667505B Heavy-current phase control closing device |
| 11/20/2013 | CN101582345B Middle- and high-voltage electrical switch disconnector |
| 11/14/2013 | WO2013169716A1 Dropout recloser |
| 11/14/2013 | WO2013168519A1 Magnetizing inrush current suppression device |
| 11/14/2013 | WO2013167482A1 Vacuum switch assemblies |
| 11/14/2013 | WO2013167319A1 Switching arrangement |
| 11/14/2013 | DE102012207640A1 Schaltanordnung Switching arrangement |
| 11/13/2013 | EP2662878A1 Vacuum switch assemblies |
| 11/13/2013 | EP2662877A1 Switching apparatus |
| 11/13/2013 | CN203288494U Real-time monitoring device for vacuum degree of vacuum circuit breaker arc extinguishing chamber |
| 11/13/2013 | CN203288493U Permanent magnetic mechanism |
| 11/13/2013 | CN203288492U Opening-closing drive rod of high-voltage vacuum switchgear |
| 11/13/2013 | CN203288491U Transmission mechanism for outdoor high-voltage vacuum switch |
| 11/13/2013 | CN203288490U Oil bumper for operating mechanism of vacuum circuit breaker |
| 11/13/2013 | CN203288489U Vacuum fixing and encapsulating pole |
| 11/13/2013 | CN203288488U A vacuum circuit breaker contact arm sleeve capable of online measuring the temperature of a contact |
| 11/13/2013 | CN203288487U Vacuum switch for intermediate-voltage switched capacitor set |
| 11/13/2013 | CN103390525A Vacuum arc-extinguishing chamber |
| 11/13/2013 | CN101996815B Switchgear and operation method of switchgear |
| 11/13/2013 | CN101425401B Electromagnetic actuator equipped with a mechanical brake of the type with a wound-coil spring |
| 11/12/2013 | US8581447 Method and device for operating a circuit arrangement |
| 11/12/2013 | US8581135 Latching and locking device inside a switch or a circuit breaker |
| 11/12/2013 | CA2633874C Fault interrupter and operating method |
| 11/07/2013 | WO2013165631A1 Guide structure for raising control cabinet of a high voltage dead tank circuit breaker to a shipping position |
| 11/07/2013 | US20130293985 High voltage direct current circuit breaker arrangement and method |
| 11/07/2013 | US20130292359 Unidirectionally switching dc contactor |
| 11/07/2013 | US20130292358 Three-phase, multi-way vacuum interrupter switchgear with internal ground switches |
| 11/06/2013 | CN203277218U Outdoor-type permanent magnet vacuum circuit breaker |
| 11/06/2013 | CN203277217U Permanent magnetic mechanism |
| 11/06/2013 | CN203277216U An insulation isolating switch of a vacuum circuit breaker |
| 11/06/2013 | CN203277215U An operating mechanism of an AC high-voltage vacuum circuit breaker |
| 11/06/2013 | CN203277214U Vacuum switch operating arm |
| 11/06/2013 | CN203277213U Spring operating mechanism of high-voltage vacuum circuit breaker |
| 11/06/2013 | CN203277212U A self-locating assembling structure of a vacuum arc-extinguishing chamber ceramic housing and a sealing ring |
| 11/06/2013 | CN203277211U A limiting structure between a movable conductive rod and a guide sleeve in a vacuum arc-extinguishing chamber |
| 11/06/2013 | CN203277210U Vacuum arc extinguishing type high-voltage load switch device |
| 11/06/2013 | CN203277209U Outdoor vacuum circuit breaker |
| 11/06/2013 | CN203277208U Fission insulation connection structure of electromagnet and vacuum arc-extinguishing chamber |
| 11/06/2013 | CN203277207U Solid insulation vacuum switch |
| 11/06/2013 | CN203277206U 户外真空断路器 Outdoor vacuum circuit breaker |
| 11/06/2013 | CN203277205U High-voltage outdoor intelligent demarcation vacuum circuit breaker |
| 11/06/2013 | CN203277204U Novel dual-power vacuum load switch |
| 11/06/2013 | CN203277203U Integrated insulation connection structure of electromagnet and vacuum arc-extinguishing chamber |
| 11/06/2013 | CN203277202U Combined insulation connection structure of electromagnet and vacuum arc-extinguishing chamber |
| 11/06/2013 | CN203277201U 开关传动机构和功率开关 Switch actuating mechanism and the power switch |
| 11/06/2013 | CN203274957U Package type wireless temperature measuring device for medium voltage circuit breaker |
| 11/06/2013 | CN102165552B Electromagnetic contactor |
| 11/06/2013 | CN101675491B Switching device having a vacuum interrupter chamber |
| 11/06/2013 | CN101604595B 高压断路器 High voltage circuit breakers |
| 11/05/2013 | US8575509 Vacuum switching apparatus including first and second movable contact assemblies, and vacuum electrical switching apparatus including the same |
| 10/31/2013 | WO2013162149A1 Structure for preventing eccentricity of movable contact in vacuum circuit breaker |
| 10/31/2013 | WO2013161285A1 Operation mechanism and power switch device provided with same |
| 10/31/2013 | WO2013159907A1 Method for injection moulding of thermoplastic pole parts, and mould for proceeding the same |
| 10/31/2013 | WO2013159906A1 Pole part for medium voltage use, and method for manufacture the same |
| 10/31/2013 | WO2013159819A1 Driving device for a current switching device |
| 10/31/2013 | WO2013159278A1 Fixation and encapsulation type vacuum switch cabinet with solid insulating assembly |
| 10/31/2013 | US20130284704 Vacuum interrupter arrangement for a circuit breaker |
| 10/31/2013 | US20130284702 Circuit breaker |
| 10/31/2013 | DE102012206915A1 Electrical switch e.g. power switch, for protecting electric or electronic circuit from high direct voltage, has insulating elements inserted in intermediate chamber between contacts to remove lighting arc that is formed between contacts |
| 10/30/2013 | EP2658049A1 Vacuum interrupter |
| 10/30/2013 | EP2656998A1 Pole part for medium voltage use, and method for manufacture the same |