| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 09/11/2013 | CN103296579A Surface-breakdown-type vacuum switch trigger electrode |
| 09/11/2013 | CN103296521A Separable loadbreak connector and system |
| 09/11/2013 | CN103295833A Switch-on-off transmission rod for high-voltage vacuum switch device |
| 09/11/2013 | CN103295832A Brake separating control device of high voltage vacuum circuit breaker |
| 09/11/2013 | CN103295831A Contact for vacuum switch of longitudinal magnetic field |
| 09/11/2013 | CN103295830A Switching arrangement in gas-insulated or vacuum-insulated switchgear assemblies |
| 09/11/2013 | CN103295829A Induced current release device of 252KV outdoor high-voltage alternating-current earthing switch |
| 09/11/2013 | CN103295805A Permanent-magnet operating mechanism with auxiliary electromagnetic circuit |
| 09/11/2013 | CN103293998A Failure self-diagnosis explosion-proof vacuum switch |
| 09/11/2013 | CN102306588B Combined electrode column of vacuum arc extinguishing chamber |
| 09/11/2013 | CN102280303B High-voltage vacuum breaker |
| 09/11/2013 | CN102136391B Electromagnetic mechanism of vacuum contactor |
| 09/11/2013 | CN102110544B Device for leading out vacuum signal of moving part position |
| 09/11/2013 | CN101908434B Method for regulating overtravel |
| 09/11/2013 | CN101903965B Insulation of a current interrupter of the vacuum bulb type by overmoulding |
| 09/10/2013 | US8530775 Pole part of a medium-voltage switching device |
| 09/10/2013 | US8530774 High voltage circuit breaker with improved gas exhaust |
| 09/10/2013 | US8530773 Gas insulated apparatus |
| 09/06/2013 | WO2013127787A1 Dc supply unit for a power provision unit |
| 09/06/2013 | WO2013127463A1 High voltage dc circuit breaker apparatus |
| 09/06/2013 | WO2013127462A1 Composite high voltage dc circuit breaker |
| 09/05/2013 | US20130228552 Electromagnetic contactor |
| 09/05/2013 | US20130228551 Arc chuteless dc current interruptor |
| 09/05/2013 | DE102012213162A1 Switching device for switching three-phase alternating current load for electromotor, has clock generator outputting voltage pulses for switching element offset to voltage pulses for another switching element for holding switching position |
| 09/05/2013 | DE102012203294A1 Schaltschloss eines Leistungsschalters Latching mechanism of a circuit breaker |
| 09/04/2013 | EP2634786A1 Removable shed sleeve for switch |
| 09/04/2013 | EP2633538A1 Electrical apparatus in a metal case said apparatus comprising at least one corona-shield cap ensuring convective exchange |
| 09/04/2013 | CN203179784U Hand-operated synchronous opening mechanism for phase-control vacuum permanent-magnet circuit breaker |
| 09/04/2013 | CN203179783U Insulation sleeve used for AC high voltage vacuum circuit breaker |
| 09/04/2013 | CN203179782U Intelligent rapid box-type vacuum switch |
| 09/04/2013 | CN203179781U A load switch structure |
| 09/04/2013 | CN203179780U Position-restricted and separating mechanism of single motor three station mechanism |
| 09/04/2013 | CN103282991A A switching device and a switchgear |
| 09/04/2013 | CN103282990A Power switching control device and closing control method thereof |
| 09/04/2013 | CN103282986A Tap changer having vacuum interrupters |
| 09/04/2013 | CN103282700A Piston-and-cylinder device for medium-and high-voltage electrical appliances |
| 09/04/2013 | CN103282182A Method of manufacturing a push rod of a vacuum interrupter |
| 09/04/2013 | CN103280375A Oil damper for vacuum breaker operating mechanism |
| 09/04/2013 | CN103280374A Transmission mechanism used for outdoor high-voltage vacuum switch |
| 09/04/2013 | CN103280373A Permanent magnet and spring dual operation mechanism on outdoor three-phase column vacuum breaker |
| 09/04/2013 | CN103280372A Fast eddy current drive mechanism |
| 09/04/2013 | CN103280371A Insulating sleeve of outdoor pole-mounted double voltage sensors |
| 09/04/2013 | CN103280370A Emergency energy storing device for spring mechanism of sulfur hexafluoride circuit breaker |
| 09/04/2013 | CN103280369A Outdoor enclosed type visual intelligent isolating and grounding switch |
| 09/04/2013 | CN103280368A Magnetic quenching SF6 three-position load switch |
| 09/04/2013 | CN101796602B Quickly exchangeable switching device in fixed type medium voltage switchgear system |
| 09/04/2013 | CN101770892B Annular rotating pole type vacuum switch |
| 09/03/2013 | US8525061 Self-pressurized arc diverter |
| 09/03/2013 | US8525054 Discharge mechanism for circuit breaker |
| 08/29/2013 | WO2013126397A1 Moisture monitoring system |
| 08/29/2013 | US20130221292 Dielectric Insulation Medium |
| 08/29/2013 | US20130220977 Electrical contact arrangement for vacuum interrupter arrangement |
| 08/29/2013 | US20130220976 Sequential Switching device with Surrounding Distinctive Joint Points Structure |
| 08/29/2013 | DE102012203030A1 Schaltvorrichtung Switching device |
| 08/28/2013 | EP2631927A1 Method for shutting down an electric arc, method and device for protecting a facility against overvoltages |
| 08/28/2013 | CN203166388U Electric vacuum circuit breaker driving structure |
| 08/28/2013 | CN203165795U Novel outdoor high voltage vacuum circuit breaker |
| 08/28/2013 | CN203165794U Fast dual-power transfer switch |
| 08/28/2013 | CN203165793U Corner positioning control device for energy storage system of volute spiral spring mechanism |
| 08/28/2013 | CN203165792U Improved structure of rotary arm for vacuum contactor |
| 08/28/2013 | CN203165791U Arc light fast protection integrated switch |
| 08/28/2013 | CN203165790U Single-phase permanent magnetic vacuum circuit breaker |
| 08/28/2013 | CN203165789U Oil buffer for breaker |
| 08/28/2013 | CN203165788U Novel sulfur hexafluoride circuit breaker |
| 08/28/2013 | CN203165787U Quick switch for direct current circuit breaker |
| 08/28/2013 | CN103270570A Thermal separating device |
| 08/28/2013 | CN103268839A Upper conducting rod structure of injection-molded post and manufacturing method thereof |
| 08/28/2013 | CN103268838A Air inflation auxiliary device of LW6B-252 type breaker |
| 08/28/2013 | CN103268837A Isolating reversing switch |
| 08/28/2013 | CN102368455B High-voltage vacuum circuit breaker |
| 08/28/2013 | CN102306590B Arc extinguishing chamber of circuit breaker |
| 08/28/2013 | CN101933109B Hydraulic spring-loaded drive |
| 08/27/2013 | US8519812 Vacuum interrupter for vacuum circuit breaker |
| 08/27/2013 | US8519293 Gas-insulated power apparatus |
| 08/26/2013 | DE202013103544U1 Transformator sowie Laststufenschalter mit einem solchen Transformator Transformer and load tap changer with such a transformer |
| 08/22/2013 | WO2013120944A1 Gas-insulated circuit breaker with nominal contact shielding arrangement |
| 08/22/2013 | US20130215548 Moisture monitoring system |
| 08/22/2013 | US20130214881 Relay |
| 08/22/2013 | US20130213939 Vacuum interrupter for a circuit breaker arrangement |
| 08/22/2013 | US20130213937 Gas insulated switchgear |
| 08/22/2013 | US20130213936 Gas-insulated high-voltage switch for interruption of large currents |
| 08/22/2013 | DE102012202408A1 Schaltgeräteanordnung Switchgear arrangement |
| 08/22/2013 | DE102012202406A1 Schaltgeräteanordnung Switchgear arrangement |
| 08/22/2013 | DE102012202327A1 Laststufenschalter mit mindestens zwei Vakuumschaltröhren und Antrieb für einen Lastumschalter mit mindestens zwei Vakuumschaltröhren OLTC with at least two vacuum interrupters and drive for a diverter switch with at least two vacuum interrupters |
| 08/22/2013 | DE102012101417A1 Hochstromkontakt mit Lichtbogenfußpunktfalle sowie Schaltvorrichtung insbesondere für die Hochstromtechnik mit einem solchen Hochstromkontakt High current contact with Lichtbogenfußpunktfalle and switching device especially for the high current technology with such a high current contact |
| 08/21/2013 | EP2629314A1 Magnetizing inrush current suppression device |
| 08/21/2013 | EP2629313A1 Gas-insulated circuit breaker with nominal contact shielding arrangement |
| 08/21/2013 | CN203150470U Contact mechanism for balloon arc-extinguishing air switch |
| 08/21/2013 | CN203150469U Insulating box of butterfly-shaped-skirt and deep-trough arc-extinguishing chamber |
| 08/21/2013 | CN203150468U Failure locking alarming apparatus for vacuum circuit breaker |
| 08/21/2013 | CN203150467U Vacuum arc quenching chamber solid-closure insulating sleeve of vacuum ring net switch device |
| 08/21/2013 | CN203150466U Double-isolation vacuum circuit breaker |
| 08/21/2013 | CN203150465U Ultra-high-voltage alternating-current circuit breaker |
| 08/21/2013 | CN203150464U Arc-extinguishing chamber warming device for outdoor SF6 high-voltage circuit breaker |
| 08/21/2013 | CN203150463U Sulfur hexafluoride high-voltage electrical equipment for cold regions |
| 08/21/2013 | CN203150462U Sulfur hexafluoride high-voltage electrical equipment for cold regions |
| 08/21/2013 | CN203150461U Sulfur hexafluoride high-voltage circuit breaker for cold regions |
| 08/21/2013 | CN203150460U High voltage load switch connected by articulated joint |
| 08/21/2013 | CN203150459U Large-capacity extra-high-voltage closing resistor |
| 08/21/2013 | CN203150458U Self-cut-off contact mechanism for air switch |