| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 08/15/2007 | CN2935452Y Heat radiation structure of indoor high-voltage vacuum breaker solid sealed pole column |
| 08/15/2007 | CN2935451Y Vacuum breaker energy-storage spring pressing clamp |
| 08/15/2007 | CN2935450Y Soft connection structure of indoor high-voltage vacuum breaker solid sealed pole column |
| 08/15/2007 | CN2935418Y Breaker group with interlocking device |
| 08/15/2007 | CN101017745A Universal operating mechanism of the load switch |
| 08/15/2007 | CN101017744A Hydraulic pressure disc spring energy storing device for high-voltage breaker |
| 08/15/2007 | CN101017738A An external mechanical manual brake-separating device of permanent magnetic mechanism |
| 08/09/2007 | WO2007087874A1 Circuit breaker for a gas-insulated high-voltage switchgear assembly |
| 08/09/2007 | WO2007087733A1 Switching chamber for a gas-insulated high-voltage circuit breaker |
| 08/09/2007 | WO2007055830A3 Circuit interrupter assembly and method of making the same |
| 08/09/2007 | US20070181536 Heavy-duty circuit breaker with movement reversal |
| 08/09/2007 | DE102006004811A1 Elektrisches Schaltgerät mit Potentialsteuerung Electrical switching device with potential control |
| 08/09/2007 | CA2641422A1 Vacuum-type electrical switching apparatus |
| 08/08/2007 | EP1384240B1 Method for operating a switch with a connectable current limiter and corresponding arrangement |
| 08/08/2007 | CN2932596Y Arc-isolating plate of breaker contact head |
| 08/08/2007 | CN1331178C Circuit breakers with integrated current and/or voltage sensors |
| 08/08/2007 | CN1331177C Vacuum switching apparatus |
| 08/08/2007 | CN1331174C Method for detecting open arcing time of circuit breaker |
| 08/08/2007 | CN101015031A Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
| 08/08/2007 | CN101013636A Casing-integrated spring hydraulic operation mechanism for primary cut-out |
| 08/08/2007 | CN101013634A Rotary clutch |
| 08/02/2007 | WO2007085510A1 Electrical switching device with potential control |
| 08/02/2007 | US20070175866 Vacuum insulated switchgear |
| 08/02/2007 | DE4419029B4 Elektromechanische Schaltvorrichtung mit Lichtbogenumschaltung Electromechanical switching device with switching arc |
| 08/01/2007 | EP1814132A1 Switching chamber for a gas-insulated high voltage circuit-breaker |
| 08/01/2007 | EP1814131A2 Vacuum insulated switchgear |
| 08/01/2007 | CN2929945Y Sealed high voltage permanent mechanism vacuum breaker for station |
| 08/01/2007 | CN2929944Y Sealed outdoor high voltage permanent mechanism vacuum breaker |
| 08/01/2007 | CN2929943Y Driving mechanism of vacuum breaker |
| 08/01/2007 | CN2929942Y Driving mechanism of vacuum breaker |
| 08/01/2007 | CN2929941Y Insulation Composite sleeve for outdoor high voltage breaker |
| 08/01/2007 | CN101009182A Gas generation and arc-extinguishing room of the breaker |
| 07/31/2007 | US7250584 Contact element comprising rounded slot edges |
| 07/31/2007 | US7250583 Gas-insulated switchgear device |
| 07/26/2007 | WO2007082858A1 Generator isolator with inserted resistor |
| 07/26/2007 | WO2007082399A1 Switching chamber for a gas-insulated high-voltage circuit breaker |
| 07/26/2007 | US20070170151 Micro-electro-mechanical systems element array device and image forming apparatus |
| 07/25/2007 | EP1811537A1 Interrupting chamber for a gas insulated circuit breaker |
| 07/25/2007 | EP1811536A1 Magnetic actuator with permanent, reduced-volume magnet |
| 07/25/2007 | CN2927309Y Vacuum switch for medium-voltage switch apparatus |
| 07/25/2007 | CN2927308Y Outdoor high-voltage vacuum breaker |
| 07/25/2007 | CN2927307Y Automatic low-temperature heater of SF6 breaker |
| 07/25/2007 | CN1328833C Gas-insulated electrical installation provided with a device for dissipating energy produced by an electric arc |
| 07/25/2007 | CN1328741C Insulant housing comprising an inner ribbed contour |
| 07/25/2007 | CN1328740C Production of a circuit-breaker pole, insulated by a solid material |
| 07/25/2007 | CN101006539A 大功率开关 Power switch |
| 07/25/2007 | CN101004985A Isolated vacuum breaker |
| 07/24/2007 | US7247804 Switch for high voltage and/or current |
| 07/19/2007 | WO2007079650A1 A method for controlling and dissipating harmful plasma in industrial production by motive magnetic field and a motive magnetic field generating device |
| 07/19/2007 | US20070163869 Device for controlling an electric power cutoff device |
| 07/18/2007 | EP1623440B1 Electromagnetic actuator |
| 07/18/2007 | EP1590821A4 High voltage operating rod sensor and method of making the same |
| 07/18/2007 | EP1320860B1 Circuit breaker |
| 07/18/2007 | CN2924765Y Fully-enclosed post for vacuum circuit breaker |
| 07/18/2007 | CN2924764Y Vacuum circuit breaker with direct-acting isolating switch |
| 07/18/2007 | CN2924763Y Sulfur hexafluoride circuit breaker arc-quenching mechanism |
| 07/18/2007 | CN2924762Y Direct-acting high-voltage isolating switch |
| 07/18/2007 | CN2924615Y Sulfur hexafluoride density controller protective cover |
| 07/18/2007 | CN101001006A Gas insulated electric equipment |
| 07/18/2007 | CN101001005A Gas insulation switch device |
| 07/18/2007 | CN101000837A High voltage circuit breaker |
| 07/18/2007 | CN101000836A Vacuum load switch and combined electrical equipment |
| 07/18/2007 | CN101000835A Operation mechanism of opening device |
| 07/18/2007 | CN101000834A Current-limiting arc-control device of medium-voltage large current DC circuit breaker |
| 07/17/2007 | US7244903 Vacuum switchgear |
| 07/12/2007 | WO2007077108A1 Switching point of an electrical switching device and method for moving a switching piece of a switching point |
| 07/12/2007 | US20070158311 Three-position ground switch |
| 07/12/2007 | US20070158310 Gas exhaust for circuit breaker |
| 07/12/2007 | DE102006001237A1 Three-phase insulated high voltage switch gear, has supporting unit with insulating connector provided between circuit breaker and bus bar region, where connector is formed such that circuit breaker is stabilized in its position |
| 07/11/2007 | EP1806760A1 Gas exhaust for circuit breaker |
| 07/11/2007 | EP1805774A2 Circuit interrupting device with a turnbuckle and weld break assembly |
| 07/11/2007 | EP1678729B1 Device for detecting contact wear in switching appliances |
| 07/11/2007 | CN2922104Y Side rod driving mechanism breaker operating mechanism |
| 07/11/2007 | CN1326176C Breaker comprising control assembly and breaker chamber, its mounting method and auxiliary component for mounting |
| 07/11/2007 | CN1326172C Switch and arc suppression for switch |
| 07/11/2007 | CN1326156C Solid insulator and method for manufacturing solid insulator |
| 07/10/2007 | US7243058 Method and circuit for operating a voice coil actuator of a mass data storage device |
| 07/10/2007 | US7242110 Control system for canceling load unbalance of three-phase circuit |
| 07/05/2007 | WO2007075363A2 Motorized loadbreak switch control system and method |
| 07/05/2007 | US20070151953 Compressed-gas insulation switching device |
| 07/05/2007 | US20070151952 High-voltage outdoor bushing arrangement |
| 07/05/2007 | DE19946570B4 Vacuumkammer Vacuum chamber |
| 07/05/2007 | DE19623733B4 Hochstromschalter High current switch |
| 07/04/2007 | EP1804263A1 A current interrupter for a power network |
| 07/04/2007 | CN2919503Y Single-winding permanent magnetism mechanism vacuum circuit breaker |
| 07/04/2007 | CN2919502Y Parted phase permanent magnetism mechanism vacuum circuit breaker |
| 07/04/2007 | CN2919501Y Spring operation mechanism |
| 07/04/2007 | CN2919500Y Solid insulated totally sealed type pole of vacuum circuit breaker |
| 07/04/2007 | CN2919499Y Vacuum load switch-fuse combined electrical equipment |
| 07/04/2007 | CN2919498Y Widthwise positioned vacuum circuit breaker with two fracture for power car |
| 07/04/2007 | CN2919497Y Control mechanism for outdoor high voltage circuit breaker |
| 07/04/2007 | CN1992119A Gas path breaker |
| 07/04/2007 | CN1992118A Plug-in docking integral vacuum arc-extinction chamber |
| 07/04/2007 | CN1324776C Gas-insulated switch gear |
| 07/03/2007 | US7239492 Control system for at least one vacuum interrupter gap |
| 07/03/2007 | US7239490 Medium voltage vacuum circuit interrupter |
| 06/28/2007 | WO2007071075A1 Gas-blast circuit breaker having a variable insulating nozzle |
| 06/28/2007 | US20070145016 Switching device |
| 06/28/2007 | US20070145015 Medium-voltage switchgear assembly |
| 06/28/2007 | DE112004002957T5 Verfahren und Vorrichtung zur Bestimmung des Abriebs elektronischer Kontakte Method and device for determination of abrasion resistance of electronic contacts |