| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 06/19/2013 | CN203013617U Moving and static cover plates used for vacuum arc-extinguishing chamber |
| 06/19/2013 | CN203013616U Moving cover plate used for vacuum arc-extinguishing chamber |
| 06/19/2013 | CN203013615U Shielding cylinder used for ceramic vacuum switch tube |
| 06/19/2013 | CN203013614U Voltage-loss delay tripping apparatus for mining flameproof high-voltage vacuum feed switch |
| 06/19/2013 | CN203013613U Clamping device of pneumatic tool |
| 06/19/2013 | CN203013612U Integrated?earthing switch |
| 06/19/2013 | CN203013611U Embedded-pole moving conductive rod and soft connection taper sleeve connection fastening device |
| 06/19/2013 | CN203013610U Pole post assembly of solid insulation switchgear |
| 06/19/2013 | CN203013609U A ZW32-12 outdoor AC high-voltage vacuum circuit breaker |
| 06/19/2013 | CN203013608U A XHVB-12 high-voltage vacuum circuit breaker |
| 06/19/2013 | CN203013607U Indoor high voltage vacuum circuit breaker capable of storing energy during swinging |
| 06/19/2013 | CN203013606U Permanent magnet solid-closure vacuum circuit breaker driven by welding large shaft |
| 06/19/2013 | CN203013605U Vacuum load switch |
| 06/19/2013 | CN203013604U Sulfur hexafluoride switch cubicle interlocking device |
| 06/19/2013 | CN203013603U Rotary grounding switch |
| 06/19/2013 | CN203013602U Directly-operated type earthing switch |
| 06/19/2013 | CN203013601U Breaker |
| 06/19/2013 | CN103165342A Intelligent controller for split phase type quick permanent magnet vacuum circuit breaker |
| 06/19/2013 | CN103165341A Operating device |
| 06/19/2013 | CN103165340A Vacuum circuit breaker protective device |
| 06/19/2013 | CN103165339A Smart rapid box vacuum switch |
| 06/19/2013 | CN103165338A Vacuum contactor for wind power generation |
| 06/19/2013 | CN103165337A Circuit breaker and insulation method thereof |
| 06/19/2013 | CN103165336A Side-mounted vacuum circuit breaker |
| 06/19/2013 | CN103165335A High voltage load switch connected by hinged joints |
| 06/19/2013 | CN103165334A High voltage switching assembly |
| 06/19/2013 | CN101919017B Direct current switch |
| 06/19/2013 | CN101894704B High-pressure vacuum breaker |
| 06/19/2013 | CN101877290B Vacuum interruption mechanism used for strengthening electrical insulation properties |
| 06/19/2013 | CN101834087B Improved high-voltage breaker |
| 06/19/2013 | CN101488421B Switching device, in particular power switching device |
| 06/19/2013 | CN101399133B Vacuum circuit interrupter grounding assembly |
| 06/19/2013 | CN101388301B Operating mechanism with adjustment of contact force |
| 06/18/2013 | US8466385 Toroidal vacuum interrupter for modular multi-break switchgear |
| 06/13/2013 | WO2013084531A1 Magnetizing inrush current suppression device |
| 06/13/2013 | WO2013011009A9 Isolator for a gas-insulated installation comprising a vacuum bulb |
| 06/13/2013 | US20130146565 Power switchgear |
| 06/12/2013 | CN202996699U A flexible pressure release system capable of reducing operation work of a breaker |
| 06/12/2013 | CN202996698U Separable vacuum load switch operating mechanism |
| 06/12/2013 | CN202996697U Main shaft fixing structure of vacuum circuit breaker |
| 06/12/2013 | CN202996696U High-voltage vacuum circuit breaker operating mechanism |
| 06/12/2013 | CN202996695U Ceramic vacuum arc-extinguishing chamber |
| 06/12/2013 | CN202996694U Solid insulating cylinder |
| 06/12/2013 | CN202996693U Ceramic vacuum switching tube without exhaust tube |
| 06/12/2013 | CN202996692U Ceramic vacuum switch envelope |
| 06/12/2013 | CN202996691U Vacuum load switch with upper isolation function and lower isolation function |
| 06/12/2013 | CN202996690U Electric connection structure of conducting clamp and conducting rod |
| 06/12/2013 | CN202996689U Outdoor pole-mounted high-voltage demarcation vacuum circuit breaker |
| 06/12/2013 | CN202996688U Contact arm insulated sleeve pipe for vacuum circuit breaker |
| 06/12/2013 | CN202996687U Miniaturized side-mounted type indoor high-voltage vacuum circuit breaker |
| 06/12/2013 | CN202996686U 12kV intelligent vacuum circuit breaker |
| 06/12/2013 | CN202996685U Cam of vacuum circuit breaker |
| 06/12/2013 | CN202996684U Permanent magnet vacuum feeder switch used in mining explosion suppression type mobile transformer station |
| 06/12/2013 | CN202996683U Circuit breaker aluminum support sealing structure |
| 06/12/2013 | CN202996682U Three-working-position isolation switch driving mechanism |
| 06/12/2013 | CN103155079A Vacuum interrupter chamber |
| 06/12/2013 | CN103155075A Arc chute for circuit breaker, circuit breaker and method for assembling arc chute |
| 06/12/2013 | CN103155072A Electrical contact arrangement, especially for an air insulated medium voltage circuit breaker |
| 06/12/2013 | CN103151216A Fluorocarbon mixed gas insulation arc extinction switching device provided with external absorption device |
| 06/12/2013 | CN103151215A Pole and contact arm assembly |
| 06/12/2013 | CN103151214A Fixation and encapsulation contact arm |
| 06/12/2013 | CN103151213A Heat preservation device of arc extinguish chamber used for outdoor SF6 high-voltage breaker |
| 06/12/2013 | CN102157296B High-voltage dual-power supply changing-over combination switch |
| 06/12/2013 | CN101425426B High voltage power switch |
| 06/11/2013 | US8461724 Universal control system with universal interface to operate a plurality of devices |
| 06/06/2013 | WO2013082014A1 High power electrical switching device |
| 06/06/2013 | WO2013081851A1 Photovoltaic string combiner with disconnect having provision for converting between grounded and ungrounded systems |
| 06/06/2013 | WO2013081803A1 Charging assembly with over rotation control and electrical switching apparatus employing same |
| 06/06/2013 | WO2013079591A1 Driving rod for medium voltage switching element gear |
| 06/06/2013 | WO2013079569A1 Polyfluorinated oxirane as an electrical insulation gas and/or a gas for extinguishing high-voltage electric arcs |
| 06/06/2013 | WO2013079463A1 Electromagnetic actuator |
| 06/06/2013 | WO2013079381A1 Switching device |
| 06/06/2013 | WO2013079284A1 A multiphase medium voltage vacuum contactor |
| 06/06/2013 | US20130140275 Trip mechanism and electrical switching apparatus including a trip member pushed by pressure arising from an arc in an arc chamber |
| 06/06/2013 | DE102011119830A1 Driving apparatus for three pole electrical power switch in high voltage switching station, has mechanical gear assemblies that are connected with power switch to turn off power switch |
| 06/06/2013 | DE102011087630A1 Schaltgerät Switchgear |
| 06/06/2013 | DE102011087585A1 Elektrischer Schalter Electric switch |
| 06/06/2013 | CA2857445A1 Driving rod for medium voltage switching element gear |
| 06/06/2013 | CA2857221A1 Electromagnetic actuator |
| 06/06/2013 | CA2852493A1 Charging assembly with over rotation control and electrical switching apparatus employing same |
| 06/05/2013 | EP2600377A1 A multiphase medium voltage vacuum contactor |
| 06/05/2013 | EP2600375A1 Driving rod for medium voltage switching element gear |
| 06/05/2013 | EP2600361A1 Electromagnetic actuator |
| 06/05/2013 | EP2599100A1 Protection system for electric transformer |
| 06/05/2013 | EP2599098A1 Vacuum interrupter chamber |
| 06/05/2013 | CN202978079U Intelligent-type vacuum circuit breaker |
| 06/05/2013 | CN202977295U Bidirectional duel overtravel operation mechanism for three-position vacuum interrupter |
| 06/05/2013 | CN202977294U Vacuum arc-extinguishing chamber with two-dimensional code identifier |
| 06/05/2013 | CN202977293U Bridge plate of vacuum circuit breaker |
| 06/05/2013 | CN202977292U Oil buffer of vacuum circuit breaker |
| 06/05/2013 | CN202977291U Miniaturization glass vacuum switch tube |
| 06/05/2013 | CN202977290U Fixedly-sealed type vacuum circuit breaker for high-voltage AC generator |
| 06/05/2013 | CN202977289U Three-position switch |
| 06/05/2013 | CN202977288U Breaker three-phase synchronous operation device |
| 06/05/2013 | CN202977287U Insulation pull bar structure |
| 06/05/2013 | CN202977203U Small circuit breaker energy storage transmission mechanism |
| 06/05/2013 | CN103140908A Switching apparatus |
| 06/05/2013 | CN103138169A Grounding mechanism |
| 06/05/2013 | CN102037534B Circuit breaker with high speed mechanically-interlocked grounding switch |
| 06/05/2013 | CN101894705B Withdrawable device of vacuum circuit breaker |