| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 02/20/2013 | CN101770893B Bushing terminal of vacuum circuit breaker and method thereof |
| 02/20/2013 | CN101477913B Circuit breaker having a plurality of breaker chambers arranged in parallel, with a common transmission and reduced length |
| 02/19/2013 | US8379373 Vacuum insulated switchgear including a bus recovery member |
| 02/14/2013 | WO2013021642A1 Switch device and operating mechanism for same |
| 02/14/2013 | US20130037521 Arc chute for a circuit breaker, circuit breaker and method for assembling an arc chute |
| 02/14/2013 | US20130037520 Switch unit, method for assembling a switch unit, and circuit breaker for a medium voltage circuit |
| 02/14/2013 | US20130037519 Switch device and connector |
| 02/14/2013 | US20130037518 Switch device and connector |
| 02/14/2013 | US20130037401 Switch device and connector |
| 02/13/2013 | CN202736832U Permanent magnetism driving device of vacuum circuit breaker |
| 02/13/2013 | CN202736831U Restriking-free high-voltage vacuum circuit breaker |
| 02/13/2013 | CN202736830U Vacuum circuit breaker operation mechanism |
| 02/13/2013 | CN202736829U Protection plate used on flameproof vacuum switch |
| 02/13/2013 | CN202736828U Indoor AC high-voltage vacuum circuit breaker |
| 02/13/2013 | CN202736827U Solid-sealed polar pole |
| 02/13/2013 | CN202736826U Intelligent vacuum circuit breaker |
| 02/13/2013 | CN202736825U Vacuum insulation disconnecting device |
| 02/13/2013 | CN202736824U Phase tracking and triggering control device of vacuum trigger switch under alternating current condition |
| 02/13/2013 | CN202736823U Waterproof sealing device of outdoor sulfur hexafluoride combination switch |
| 02/13/2013 | CN202736822U Breaker used for 10kV high-voltage column |
| 02/13/2013 | CN202736821U 72.5kV tank-type sulfur hexafluoride circuit breaker applicable at low temperature |
| 02/13/2013 | CN102934186A Device for controlling a plurality of current breaking apparatuses via electric motors |
| 02/13/2013 | CN102931030A Processing method of vacuum corrugated pipe relay |
| 02/13/2013 | CN102931025A Permanent magnet breaker operation mechanism provided with emergency separating brake device |
| 02/13/2013 | CN102931024A Device for simulating function of vacuum arc-extinguishing chamber |
| 02/13/2013 | CN102931023A Realization of control method and device for vacuum circuit breaker based on coil current |
| 02/13/2013 | CN102931022A Three-phase mechanical link connecting mechanism of breaker |
| 02/13/2013 | CN102169776B Medium-voltage integrated intelligent circuit breaker |
| 02/13/2013 | CN101567275B Method and mould for producing first outer-packing vacuum arc extinguishing chamber of phase post of circuit breaker element |
| 02/12/2013 | US8373082 Vacuum insulated switchgear |
| 02/07/2013 | WO2013019728A1 Methods and systems for reducing leakage current |
| 02/07/2013 | WO2013019325A1 Vacuum switch including an insulating body having a number of transparent portions made of a single crystal alumina |
| 02/07/2013 | WO2013017227A1 Differential for a hydro-mechanical drive for electric power switches |
| 02/07/2013 | WO2013017226A1 Differential cylinder for a hydromechanical drive for electrical circuit breakers |
| 02/07/2013 | WO2013017221A1 Braided tape contact disk |
| 02/07/2013 | US20130032576 Vacuum switch including an insulating body having a number of transparent portions made of a single crystal alumina |
| 02/07/2013 | US20130032575 Metal-encapsulated, gas-insulated, combined switch disconnector and earthing switch |
| 02/07/2013 | DE112010005301T5 Leistungsschaltanlage Circuit-breaker |
| 02/07/2013 | DE112010005296T5 Vakuum--Schalter Vacuum - switch |
| 02/07/2013 | DE102011109272A1 Linearantrieb für Stufenschalter Linear actuator for tap changer |
| 02/07/2013 | DE102011080525A1 Double protective switching device e.g. circuit breaker switch, has chambers for extinguishing arcs formed during opening of switching contacts such that arcs are oriented in opposite directions in one phase of arc formation |
| 02/06/2013 | EP2553702A1 Vacuum interrupter |
| 02/06/2013 | CN202721375U Solid insulation sealing assembly used for high-voltage alternating-current vacuum switchgear |
| 02/06/2013 | CN202721093U High-voltage sulfur hexafluoride circuit breaker and double-acting transmission device thereof |
| 02/06/2013 | CN202721079U Variable-radius low-temperature circuit breaker body |
| 02/06/2013 | CN202721078U 负荷开关 Load Switch |
| 02/06/2013 | CN202721077U A high-voltage vacuum circuit breaker |
| 02/06/2013 | CN202721076U 12kV vacuum switch tube for vacuum circuit breaker |
| 02/06/2013 | CN202721075U 1.14kV miniaturized long-life vacuum contactor used vacuum switch tube |
| 02/06/2013 | CN202721074U Multi-station combined outdoor vacuum switch apparatus |
| 02/06/2013 | CN102918619A Magnetizing inrush current suppression device |
| 02/06/2013 | CN102918618A Exciting inrush current suppression apparatus |
| 02/06/2013 | CN102918617A Opening and closing device |
| 02/06/2013 | CN102915870A E-shaped mono-stability permanent magnet mechanism with closed magnetic circuit |
| 02/06/2013 | CN102915869A Milliampere-level current release |
| 02/06/2013 | CN102915868A Spring mechanism connectionless switching-on driving structure for high voltage vacuum circuit breaker |
| 02/06/2013 | CN102915867A Secondary plug-in protection device of vacuum circuit breaker |
| 02/06/2013 | CN102915866A Novel intelligent vacuum circuit breaker |
| 02/06/2013 | CN102915865A High altitude outdoor vacuum circuit breaker |
| 02/06/2013 | CN102915864A Outdoor on-post wide-voltage vacuum breaker |
| 02/06/2013 | CN102915863A Solid-sealed vacuum circuit breaker for high voltage alternating-current generator |
| 02/05/2013 | US8368492 Bidirectional direct current electrical switching apparatus |
| 01/31/2013 | WO2013016421A1 Self-locking connector clip |
| 01/31/2013 | WO2013015356A1 Magnetizing inrush current suppression device |
| 01/31/2013 | WO2013014070A1 Switching device |
| 01/31/2013 | WO2013014041A1 Dc voltage circuit breaker |
| 01/31/2013 | WO2013013794A1 Contact assembly for a vacuum circuit breaker |
| 01/31/2013 | WO2013013741A1 Power distribution switchgear circuit breaker |
| 01/31/2013 | WO2013013688A1 Process for preparing coated push-rods and/or pole housings for electrical contacts and connecting elements |
| 01/31/2013 | US20130026139 Switchgear for an offshore wind turbine |
| 01/31/2013 | DE102012008276A1 Verriegelungsvorrichtung für eine Antriebseinheit eines Dreistellungsantriebes für ein Schaltgerät einer Schaltanlage Locking device for a drive unit of a three-position drive for a switching unit of a switchgear |
| 01/31/2013 | DE102012008200A1 Antriebseinheit für ein Schaltgerät Drive unit for a switching device |
| 01/31/2013 | DE102012008130A1 Antriebseinheit für einen Spindelantrieb A drive unit for a spindle drive |
| 01/31/2013 | DE102012008129A1 Verriegelungsvorrichtung für eine Antriebseinheit zur Betätigung eines Schaltgerätes einer Schaltanlage Locking device for a drive unit for actuating a switching device of a switching |
| 01/31/2013 | DE102011118894B3 Hochstromschalter High current switch |
| 01/31/2013 | DE102011082114B3 Elektromagnetischer Antrieb Electromagnetic actuator |
| 01/31/2013 | DE102011079969A1 Schaltgerät Switchgear |
| 01/31/2013 | DE102009025204C5 Schalteinrichtung für Mittel-, Hoch-oder Höchstspannung mit einem Füllmedium Switching device for medium, high or very high voltage with a filling |
| 01/31/2013 | CA2843159A1 Self-locking connector clip |
| 01/31/2013 | CA2843031A1 Switching device |
| 01/30/2013 | EP2551880A2 Power transmission device for vacuum interrupter and vacuum breaker having the same |
| 01/30/2013 | EP2551879A1 Pushrod assembly for circuit breaker |
| 01/30/2013 | EP2551878A1 Contact assembly for a vacuum circuit breaker |
| 01/30/2013 | EP2551877A1 Vacuum valve and switchgear equipped with said vacuum valve |
| 01/30/2013 | EP2551876A2 Gas insulated switchgear |
| 01/30/2013 | EP2551871A1 Braided tape contact disk |
| 01/30/2013 | EP2551869A1 Power distribution switchgear circuit breaker |
| 01/30/2013 | CN202712047U Controller of permanent magnet operating mechanism of vacuum circuit breaker |
| 01/30/2013 | CN202712046U Flexible connecting structure for conducting rod and insulating pull rod of movable end of vacuum arc extinguish chamber |
| 01/30/2013 | CN202712045U Novel longitudinal magnetic coil structure of vacuum arc extinguishing chamber |
| 01/30/2013 | CN202712044U Contact structure low in bounce and circuit resistance |
| 01/30/2013 | CN202712043U Low-resistance contact structure |
| 01/30/2013 | CN202712042U Means of connecting reinforcing ribs and hooks for contacts in vacuum arc-extinguishing chamber |
| 01/30/2013 | CN202712041U Side-mounted 20 kV solid encapsulated vacuum circuit breaker for ring main unit |
| 01/30/2013 | CN202712040U Vacuum switch tube bellows assembly |
| 01/30/2013 | CN202712039U Movable conducting rod for vacuum switch tube |
| 01/30/2013 | CN202712038U Ceramic vacuum switch tube |
| 01/30/2013 | CN202712037U Tank type high voltage vacuum circuit breaker with three-phase common structure |
| 01/30/2013 | CN202712036U Outdoor multifunctional intelligent permanent magnetic vacuum circuit breaker |
| 01/30/2013 | CN202712035U Fast grounding switch with outer surface coated with insulating layer |