| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 01/10/2013 | DE102012005031A1 Service switching device e.g. fault current limiter, has contact apparatuses which are provided in interior of pressure-resistant chamber so that pressure inside the pressure-tight chamber is raised to extinguish the generated arc |
| 01/10/2013 | DE102011107260A1 Power switch unit e.g. switching pole, for use in vacuum switch to switch electrical current in e.g. high voltage application, has control elements connected with chamber, where sections of elements are displaced during change of pressure |
| 01/10/2013 | DE102011107259A1 Power switch unit e.g. vacuum switch for use in three-pole power switch to switch electrical current in e.g. medium-voltage application, has control volume connected with chamber such that same pressure prevails in volume as in chamber |
| 01/10/2013 | DE102011078650A1 Switching device for power line, has switching elements coupled with each other by coupling element, where sum of distances between movable contacts and fixed contacts is greater than or equal to capacitive switching distance |
| 01/10/2013 | CA2840921A1 Drive for a switching device |
| 01/09/2013 | EP2543121A1 A switch arrangement for an electrical switchgear |
| 01/09/2013 | EP2543120A1 A terminal for an electrical switchgear |
| 01/09/2013 | EP2543054A1 Drive arrangement of a circuit breaker |
| 01/09/2013 | DE202011106188U1 Schalterpoleinheit Schalterpoleinheit |
| 01/09/2013 | CN202663018U Seven-loop load switch gas-filled cabinet |
| 01/09/2013 | CN202662524U Extra-high voltage grounding switch using SF6 arc extinguish chamber for inducing current |
| 01/09/2013 | CN202662523U Anti-twist guide sleeve device for vacuum arc-extinguishing chamber and vacuum arc-extinguishing chamber comprising same |
| 01/09/2013 | CN202662522U Base of vacuum alternating current contactor |
| 01/09/2013 | CN202662521U 40.5 KV Single-phase outdoor high-voltage vacuum circuit breaker |
| 01/09/2013 | CN102870303A 断路器面板 Breaker Panel |
| 01/09/2013 | CN102870297A A terminal for an electrical switchgear |
| 01/09/2013 | CN102870181A A high voltage DC breaker apparatus |
| 01/09/2013 | CN102867681A Vacuum arc extinguishing chamber positioning and sealing ring |
| 01/09/2013 | CN102867680A Medium plate of vacuum alternating-current contactor |
| 01/09/2013 | CN102867679A Injection molding type pole |
| 01/09/2013 | CN102867678A Link drive device for opening and closing actions of GIS (Gas Insulated Switchgear) isolating switch |
| 01/09/2013 | CN102867677A Braking device for spring energy storage mechanism of breaker |
| 01/09/2013 | CN102005329B Connection structure of tension spring type balance spring of double-arm folding type high-voltage alternating current isolating switch |
| 01/09/2013 | CN101916685B 1100kV ultra-high voltage isolating switch for opening and closing switching current of high-parameter bus |
| 01/09/2013 | CN101669181B Buffer type gas isolator |
| 01/09/2013 | CN101573774B Compressed-gas cutout having a radial flow opening |
| 01/08/2013 | US8350415 Switch circuit with inductive load and capacitor |
| 01/08/2013 | US8350175 Device and method for circuit protection |
| 01/08/2013 | US8350174 Pole part of a medium-voltage or high-voltage switch gear assembly, and method for its production |
| 01/03/2013 | WO2013002472A1 3-way switch for a gas-insulated apparatus |
| 01/03/2013 | WO2013000951A1 Dual current path for high rated currents |
| 01/03/2013 | WO2013000722A1 Electric switchgear |
| 01/03/2013 | WO2013000483A1 A circuit breaker and method for interrupting large direct currents |
| 01/03/2013 | WO2013000310A1 Inner and outer bellow structure for dry and highly-pressurized air or nitrogen-insulated vacuum interrupter |
| 01/03/2013 | WO2013000309A1 High-voltage single-fracture vacuum interrupter |
| 01/03/2013 | US20130001202 Carrier link insulator for a circuit breaker |
| 01/03/2013 | US20130001201 Configuration of an arc runner for a miniature circuit breaker |
| 01/03/2013 | US20130001200 Vacuum Valve and Switchgear Equipped with Said Vacuum Valve |
| 01/03/2013 | DE102011078524A1 Doppeltunterbrechendes Schutzschaltgerät Double interruption end protection device |
| 01/03/2013 | DE102011078483A1 Elektrisches Schaltgerät Electrical switching apparatus |
| 01/03/2013 | DE102011078367A1 Schaltgeräteantriebsanordnung Switchgear drive assembly |
| 01/03/2013 | DE102011078365A1 Antriebsanordnung, insbesondere Schaltgeräteantriebsanordnung Drive assembly, in particular switchgear drive assembly |
| 01/03/2013 | CA2840334A1 Dual current path for high rated currents |
| 01/02/2013 | EP2541569A1 Dual current path for high rated currents |
| 01/02/2013 | EP2539911A1 Retainer, vacuum interrupter, and electrical switching apparatus including the same |
| 01/02/2013 | CN202651670U Vacuum circuit breaker and false switching-on prevention interlocking structure thereof |
| 01/02/2013 | CN202650975U Breaker vacuum degree on-line detection apparatus and potential information capturing sensor |
| 01/02/2013 | CN202650974U Vacuum circuit breaker remote GPRS control device on 10kV column |
| 01/02/2013 | CN202650973U Novel insulating pull rod for breaker |
| 01/02/2013 | CN202650972U Opening buffer mechanism of vacuum contactor |
| 01/02/2013 | CN202650971U Solid seal-type indoor high-voltage vacuum circuit breaker |
| 01/02/2013 | CN202650970U Solid seal-type indoor high-voltage vacuum circuit breaker |
| 01/02/2013 | CN202650969U Vacuum circuit breaker |
| 01/02/2013 | CN202650968U Permanent magnetic actuator possessing auxiliary electromagnetic loop |
| 01/02/2013 | CN202650967U Novel contact base of vacuum interrupter with shock absorption device |
| 01/02/2013 | CN202650966U Novel reinforcing rib structure of contact in vacuum interrupter |
| 01/02/2013 | CN202650965U Spherical reinforcing rib structure of contact in vacuum arc-extinguishing chamber |
| 01/02/2013 | CN202650964U Vacuum arc-extinguishing chamber of breaker |
| 01/02/2013 | CN202650963U Vacuum interrupter positioning solder clip |
| 01/02/2013 | CN202650962U Wall-hung type vacuum load switch |
| 01/02/2013 | CN202650961U Vacuum circuit breaker on outdoor lamppost |
| 01/02/2013 | CN202650960U Solid-sealed polar pole |
| 01/02/2013 | CN202650959U Novel railway breaker monopole post |
| 01/02/2013 | CN202650958U Vacuum circuit breaker |
| 01/02/2013 | CN202650957U Indoor-side-mounting solid seal-type high-voltage vacuum circuit breaker |
| 01/02/2013 | CN202650956U Outdoor high-voltage vacuum circuit breaker |
| 01/02/2013 | CN202650955U Outdoor high-voltage vacuum circuit breaker |
| 01/02/2013 | CN202650954U Vacuum switch-fuse combined electrical apparatus terminal |
| 01/02/2013 | CN202650953U Oil buffer for vacuum circuit breaker |
| 01/02/2013 | CN202650952U Vacuum breaker secondary wire preassembling structure |
| 01/02/2013 | CN202650951U Medium-voltage circuit breaker having mechanical characteristic on-line monitoring function |
| 01/02/2013 | CN202650950U Oil-free SF 6 vacuum-pumping aerating device |
| 01/02/2013 | CN202650949U Axial sealing device of gas switch equipment |
| 01/02/2013 | CN202650948U SF6 circuit breaker gas automatic compensation device |
| 01/02/2013 | CN202650947U Grounded interlocking device of sulfur hexafluoride switch cabinet |
| 01/02/2013 | CN102856114A Dual current path for high rated currents |
| 01/02/2013 | CN102074410B One-phase vacuum circuit breaker with low operation power |
| 01/02/2013 | CN101847541B Buffer used for 126kV-vacuum circuit breaker |
| 01/02/2013 | CN101752108B High-speed closing switch in power distributor |
| 01/02/2013 | CN101702381B Design method of remanent magnetism mechanism of recombiner and remanent magnetism mechanism |
| 01/02/2013 | CN101552152B Large-capacity vacuum circuit breaker |
| 01/02/2013 | CN101202175B Circuit breaker with a gear having a dead point |
| 01/01/2013 | US8344557 Magnetic flux measuring device and magnetic flux measuring method for stationary induction electrical apparatus, and synchronous switching control gear for circuit breaker |
| 12/27/2012 | WO2012176259A1 Vacuum breaker |
| 12/27/2012 | WO2012175319A1 Switching device |
| 12/27/2012 | WO2012175252A1 Buchholz relay |
| 12/27/2012 | WO2012069468A3 Circuit arrangements for electronically controlled dc networks |
| 12/27/2012 | US20120325778 Electrode assembly for vacuum interrupter |
| 12/27/2012 | DE102010045901B4 Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter Stages and vacuum circuit interrupter for such a step switch |
| 12/27/2012 | DE10120447B4 Schalter Switch |
| 12/26/2012 | EP2538429A1 Method and apparatus for controlling circuit breaker operation |
| 12/26/2012 | EP2538428A1 Electrode assembly for vacuum interrupter |
| 12/26/2012 | CN202633159U Manual operation mechanism of outdoor permanent-magnet high-voltage vacuum circuit breaker |
| 12/26/2012 | CN202633158U Mechanical transmission structure with low switching-on bounce for vacuum circuit breaker |
| 12/26/2012 | CN202633157U Selector switch conversion apparatus |
| 12/26/2012 | CN202633156U 户内高压真空断路器 Indoor high voltage vacuum circuit breaker |
| 12/26/2012 | CN202633155U Sealed tube for permanent magnetic vacuum switches |
| 12/26/2012 | CN202633154U High-voltage alternating-current combined type vacuum load switch |
| 12/26/2012 | CN202633153U High-voltage alternating current combined-type vacuum breaker |
| 12/26/2012 | CN202633152U Vacuum switch release support |