| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 02/23/2011 | CN101981644A Switch device and operating mechanism for switch device |
| 02/23/2011 | CN101980347A Circuit for restraining switching-on and switching-off bounce of electromagnetic repulsion fast vacuum circuit breaker |
| 02/22/2011 | US7893380 Arc-extinguishing composition and articles manufactured therefrom |
| 02/22/2011 | US7893379 Generator circuit breaker with improved switching capacity |
| 02/17/2011 | WO2011018426A1 Cutoff chamber for medium- or high-voltage circuit breaker with reduced controlling power |
| 02/17/2011 | WO2011018405A1 Method for functionally checking a vacuum switch of a traction inverter |
| 02/17/2011 | US20110036813 Gas insulation circuit breaker with structure for decreasing friction |
| 02/17/2011 | US20110036812 Vacuum circuit breaker |
| 02/17/2011 | US20110036811 Switchgear and Method for Operating Switchgear |
| 02/17/2011 | DE202010017017U1 Magnetischer Aktuator mit Feder Magnetic actuator with spring |
| 02/16/2011 | EP2284855A1 Method for function testing a vacuum switch of a traction inverter |
| 02/16/2011 | EP2284854A1 Gas insulation switch |
| 02/16/2011 | EP2283504A1 Vacuum interrupter |
| 02/16/2011 | EP2283503A1 Circuit breaker drive |
| 02/16/2011 | CN201750075U Novel box-type substation |
| 02/16/2011 | CN201749819U Miniaturized permanent magnetic mechanism for high-voltage vacuum switchgear |
| 02/16/2011 | CN201749818U Adjustable insulation pull rod device for outdoor high-voltage vacuum circuit breaker |
| 02/16/2011 | CN201749817U Split type insulated pull rod device for solid-sealed indoor high-voltage vacuum breaker |
| 02/16/2011 | CN201749816U Auxiliary switching device of high voltage vacuum circuit breaker |
| 02/16/2011 | CN201749792U Crank arm used in permanent magnet type operating mechanism |
| 02/16/2011 | CN101978452A Permanent magnet quenching device for load interrupters |
| 02/16/2011 | CN101976629A Open distance and over travel for vacuum circuit breaker |
| 02/16/2011 | CN101976628A Contact of vacuum circuit breaker |
| 02/16/2011 | CN101976627A Vacuum interrupter |
| 02/16/2011 | CN101976626A Structure of vacuum interrupter |
| 02/16/2011 | CN101976625A Composition of vacuum circuit breaker |
| 02/16/2011 | CN101976624A Circuit breaker for ground burying |
| 02/15/2011 | US7888823 Remotely controllable switch for incorporating in a wall socket |
| 02/10/2011 | WO2011017210A2 Mechanically interlocked transfer switch |
| 02/10/2011 | WO2011015367A1 Gas-insulated high-voltage switching system |
| 02/10/2011 | WO2011015296A1 Spring-operated mechanism having delay circuit |
| 02/10/2011 | US20110032059 Contact device |
| 02/10/2011 | US20110031220 Vacuum based diverter switch for tap changer |
| 02/10/2011 | DE202010014320U1 Vorrichtung zur Herstellung eines Leistungsschalter-Polteils A device for producing a breaker pole piece |
| 02/10/2011 | DE102009035855A1 Elektrisches Schaltgerät mit einem Sprungantrieb Electrical switching device with a jump drive |
| 02/10/2011 | CA2769034A1 Mechanically interlocked transfer switch |
| 02/09/2011 | CN201741632U Linkage structure between operation mechanism and seal terminal pole of vacuum circuit break |
| 02/09/2011 | CN201741631U Moving contact component used for vacuum arc extinguish chamber |
| 02/09/2011 | CN201741630U Vacuum switch tube with vacuum transducer |
| 02/09/2011 | CN201741629U 40.5 kv plateau type vacuum switch pipe |
| 02/09/2011 | CN201741628U Vacuum switching tube for 24KV vacuum load switch |
| 02/09/2011 | CN201741627U Long-life corrugated pipe for a vacuum switch tube |
| 02/09/2011 | CN201741626U Vacuum switch tube for 24KV embedded pole |
| 02/09/2011 | CN201741625U Phase-control permanent magnet vacuum circuit breaker |
| 02/09/2011 | CN201741624U On-off switch indicating device for vacuum circuit breaker |
| 02/09/2011 | CN201741623U Outdoor high-voltage intelligent permanent magnetic vacuum switch |
| 02/09/2011 | CN201741622U Sulfur hexafluoride load switch housing |
| 02/09/2011 | CN201741621U Guide device for insulation pulling rod of circuit breaker |
| 02/09/2011 | CN101969011A Novel vacuum circuit breaker |
| 02/09/2011 | CN101969010A Vacuum circuit breaker |
| 02/09/2011 | CN101969009A High-voltage vacuum circuit breaker |
| 02/09/2011 | CN101969008A High-stability type vacuum breaker |
| 02/09/2011 | CN101969007A Dual-power high-voltage vacuum circuit breaker |
| 02/09/2011 | CN101969006A Method for improving converted current switching capability of ultra-high voltage alternating current open isolating switch |
| 02/03/2011 | DE10224074B4 Stufenschalter Tap changer |
| 02/02/2011 | EP2198443B1 Gas-insulated high-voltage circuit breaker with a relief duct which is controlled by an overflow valve |
| 02/02/2011 | CN201732724U Double-break sulphur hexafluoride circuit breaker of 363kV and above level |
| 02/02/2011 | CN201732723U Magnetic force mechanism for vacuum circuit breaker |
| 02/02/2011 | CN201732722U Indoor permanent magnetic seal high-voltage vacuum breaker |
| 02/02/2011 | CN201732721U Permanent magnet high-voltage vacuum circuit breaker |
| 02/02/2011 | CN201732720U Permanent-magnet high-voltage vacuum circuit breaker |
| 02/02/2011 | CN201732719U Special-purpose air switch for intelligent electric energy meter |
| 02/02/2011 | CN201732718U Sulfur hexafluoride circuit breaker |
| 02/02/2011 | CN201732717U SF6 circuit breaker static contact assembly structure |
| 02/02/2011 | CN101964271A High-voltage switch transfer current device |
| 02/02/2011 | CN101964270A Full-shield tangible vacuum circuit breaker used for underground burying |
| 02/02/2011 | CN101150023B External operation handle device of circuit breaker |
| 02/01/2011 | US7880111 Switchgear and method of fabricating the same |
| 02/01/2011 | US7880105 Circuit breaker |
| 01/27/2011 | WO2011009582A1 Method of manufacturing a current terminal for embedded pole part and pole part itself |
| 01/27/2011 | WO2011009581A1 Embedded pole part with an isolating housing made of thermoplastic material |
| 01/27/2011 | US20110017709 Electrical switching apparatus and arc chute assembly therefor |
| 01/27/2011 | DE102009013337B4 Lichtbogenresistenter Schütz Arc-resistant contactor |
| 01/27/2011 | DE102007044475B4 Schaltvorrichtung und Schaltvorrichtungsbetriebsmechanismus Switching device and switching apparatus operating mechanism |
| 01/26/2011 | EP2278604A1 High voltage switch |
| 01/26/2011 | EP2278603A1 Method of manufacturing a current terminal for embedded pole part, and pole part itself |
| 01/26/2011 | EP2278602A1 Embedded pole part for switchgear |
| 01/26/2011 | EP2278601A1 Embedded pole part with an isolating housing made of thermoplastic material |
| 01/26/2011 | EP1792325B1 Pressure-sensitive elastomer layer in circuit-breaker poles insulated by solid material |
| 01/26/2011 | CN201725727U Transmission shaft clamp device of vacuum circuit breaker control mechanism |
| 01/26/2011 | CN201725726U Vacuum AC contactor bracket |
| 01/26/2011 | CN201725725U Snap-action vacuum contactor |
| 01/26/2011 | CN201725724U Improved type high voltage breaker |
| 01/26/2011 | CN201725698U Permanent magnetic actuator |
| 01/26/2011 | CN101960550A Insulator integrated power supply |
| 01/26/2011 | CN101958516A Insulation spacer for a gas insulated device and method of producing same |
| 01/26/2011 | CN101958514A Embedded pole part for switchgear |
| 01/26/2011 | CN101958198A Three-station mechanism adopting double-turbine-worm mode |
| 01/26/2011 | CN101958197A Three-station mechanism for realizing rapid tripping |
| 01/26/2011 | CN101549655B Outdoor 2 multiply 27.5 kV solid-sealing vacuum modular device of electrified railway |
| 01/25/2011 | US7875822 Ablative-based multiphase current interrupter |
| 01/20/2011 | WO2011006783A1 Vacuum switch tube |
| 01/19/2011 | EP2276046A1 Switching device with thermal balancing equipment |
| 01/19/2011 | EP2274759A1 Switching chamber |
| 01/19/2011 | CN201717547U Control cabinet with switch air chamber |
| 01/19/2011 | CN201717186U Spring control mechanism for indoor high voltage vacuum circuit breaker |
| 01/19/2011 | CN201717185U Moving contact device of indoor high-voltage vacuum circuit breaker |
| 01/19/2011 | CN201717184U Vacuum arc extinction device for ultrahigh voltage isolation |
| 01/19/2011 | CN201717183U Lubricating structure for alternating current high-voltage vacuum circuit breaker |
| 01/19/2011 | CN201717182U Indoor high-voltage vacuum circuit breaker with insulating supports |