| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 04/17/2013 | CN202888062U Outer shielding cover fixed structure for ceramic vacuum switch tube |
| 04/17/2013 | CN202888061U Injection-molding-type post terminal structure for reducing internal stress influence |
| 04/17/2013 | CN202888060U Miniature ceramic vacuum load isolation switching tube |
| 04/17/2013 | CN202888059U Low-voltage large-open circuit ceramic vacuum switch tube |
| 04/17/2013 | CN202888058U Novel embedded pole vacuum circuit breaker |
| 04/17/2013 | CN202888057U Improved ceramic vacuum relay structure |
| 04/17/2013 | CN202888056U Upper outgoing line connector for embedded pole high pressure vacuum circuit breaker |
| 04/17/2013 | CN202888055U Composite buffer |
| 04/17/2013 | CN202888054U Solid-sealed polar pole of indoor high-voltage vacuum circuit breaker |
| 04/17/2013 | CN202888053U Indoor high-voltage vacuum circuit breaker |
| 04/17/2013 | CN202888052U Assembly of terminal post and contact arms |
| 04/17/2013 | CN202888051U Bypass load switch with electric interlocking function |
| 04/17/2013 | CN103050334A Integral modular spring operating mechanism of high-voltage vacuum circuit breaker |
| 04/17/2013 | CN103050333A Insulation pull rod for high voltage vacuum circuit breaker |
| 04/17/2013 | CN103050332A Low-bounce vacuum arc extinguish chamber structure |
| 04/17/2013 | CN103050331A Microminiature vacuum arc extinguishing chamber with short circuit current switching-off capability |
| 04/17/2013 | CN103050330A Vacuum switch |
| 04/17/2013 | CN103050329A Rotary grounding switch |
| 04/17/2013 | CN103050328A Solid insulating grounded fixation and encapsulation structure |
| 04/17/2013 | CN103050327A Vacuum circuit breaker and medium-pressure air inflation cabinet |
| 04/17/2013 | CN103050326A Integrated intelligent vacuum permanent magnet circuit breaker |
| 04/17/2013 | CN103050325A Pole component of solid insulation switch equipment |
| 04/17/2013 | CN103050324A Vacuum circuit breaker based on T-shaped double break vacuum arc-extinguishing chamber |
| 04/17/2013 | CN103050323A Opening and closing speed monitoring method of intelligent vacuum circuit breaker |
| 04/17/2013 | CN103050322A Outdoor conductive device for vacuum circuit breaker |
| 04/17/2013 | CN103050321A Mutual inductor outdoor high voltage vacuum circuit breaker |
| 04/17/2013 | CN103050320A Miniaturized large-current handcart-type vacuum circuit breaker |
| 04/17/2013 | CN103050319A Electronic electromagnetic type intelligent switch for high-voltage electric power system |
| 04/17/2013 | CN102110956B Novel solid insulated switch |
| 04/17/2013 | CN102103940B Vacuum arc extinguish chamber capacitive treating method and device |
| 04/17/2013 | CN101834086B Electrode for vacuum interrupter |
| 04/16/2013 | US8420971 Switching chamber insulation arrangement for a circuit breaker |
| 04/16/2013 | US8420963 Electrical enclosure apparatus |
| 04/11/2013 | DE112010005440T5 Ansteuerschaltung für elektromagnetischen Betätigungsmechanismus A drive circuit for electromagnetic driving mechanism |
| 04/10/2013 | EP2579287A1 Gas circuit breaker |
| 04/10/2013 | EP2577702A1 Device for controlling a plurality of current breaking apparatuses via electric motors |
| 04/10/2013 | EP2577701A1 A very fast transient suppressing device |
| 04/10/2013 | CN202871725U Manual breaker opening and closing device |
| 04/10/2013 | CN202871684U Hand-operated closing-opening operating device of circuit breaker |
| 04/10/2013 | CN202871683U Vacuum circuit breaker |
| 04/10/2013 | CN202871682U Vacuum arc extinguish chamber cup-shaped lengthwise magnetism self-positioning contact |
| 04/10/2013 | CN202871681U Arc extinguishing chamber of vacuum alternating current contactor |
| 04/10/2013 | CN202871680U Auxiliary loop for opening and closing large induced current |
| 04/10/2013 | CN202871679U Ceramic vacuum relay |
| 04/10/2013 | CN202871678U Medium plate of vacuum alternating-current contactor |
| 04/10/2013 | CN202871677U Vacuum circuit breaker for low-voltage permanent magnetic mechanism |
| 04/10/2013 | CN202871676U Inflation type high-voltage relay |
| 04/10/2013 | CN202871675U Pot-type circuit breaker |
| 04/10/2013 | CN202871674U Bypass special circuit breaker for high-voltage gas-insulated metal-enclosed switchgear |
| 04/10/2013 | CN202871673U Operating mechanism of gas insulated enclosed switchgear |
| 04/10/2013 | CN202871672U Turnable arm case for GIS insulation switch device |
| 04/10/2013 | CN202871671U A gas insulation load switch and crossbeams of the same |
| 04/10/2013 | CN103038376A Method for producing electrode material for vacuum circuit breaker, electrode material for vacuum circuit breaker and electrode for vacuum circuit breaker |
| 04/10/2013 | CN103035441A Line-shaped series-connection small-gap dual-fracture vacuum arc-extinguishing chamber |
| 04/10/2013 | CN103035440A Breaker aluminum bracket sealing structure |
| 04/10/2013 | CN103035439A Electrical high-voltage on-load disconnector and method for opening the same |
| 04/10/2013 | CN103035431A Installing tooling for vacuum circuit breaker arc extinguish chamber |
| 04/10/2013 | CN102064038B Intelligent circuit breaker with phase selection function |
| 04/10/2013 | CN101814394B Permanent-magnetic high-voltage vacuum circuit breaker |
| 04/09/2013 | US8415836 Microcomputer system |
| 04/09/2013 | US8415580 Carrier link insulator for a circuit breaker |
| 04/09/2013 | US8415579 Method of assembling a vacuum switchgear assembly |
| 04/09/2013 | US8415578 Circuit breaker with a gear having a dead point |
| 04/04/2013 | WO2013048609A1 Vacuum switch and hybrid switch assembly therefor |
| 04/04/2013 | WO2013048602A1 Vacuum switching apparatus including first and second movable contact assemblies, and vacuum electrical switching apparatus including the same |
| 04/04/2013 | WO2013046745A1 Tank-type vacuum interrupter |
| 04/04/2013 | WO2013045235A1 Circuit breaker unit |
| 04/04/2013 | WO2013045234A1 Arrangement comprising a circuit breaker interrupter unit |
| 04/04/2013 | WO2013045233A1 Circuit breaker unit |
| 04/04/2013 | WO2013045201A1 Dc voltage circuit breaker |
| 04/04/2013 | WO2013044990A1 Actuating device for a current switching device |
| 04/04/2013 | DE102011087551B3 Verriegelungsmechanismus für einen Einschaltknopf eines Leistungsschalters Locking mechanism for a power switch of a circuit breaker |
| 04/04/2013 | CA2850601A1 Commutating circuit breaker |
| 04/03/2013 | EP2575155A1 Medium-voltage electric distribution apparatus |
| 04/03/2013 | EP2575154A1 Medium-voltage electric distribution cubicle |
| 04/03/2013 | EP2575153A2 Switch pole unit |
| 04/03/2013 | EP2575149A2 Joining structures, electrical contacts, and their manufacturing means |
| 04/03/2013 | CN202855624U SF6 blow type arc-control device |
| 04/03/2013 | CN202855623U Double-acting explosion chamber transmission structure |
| 04/03/2013 | CN202855622U Spring operating mechanism |
| 04/03/2013 | CN202855621U Locating sealing ring for vacuum arc-extinguishing chamber |
| 04/03/2013 | CN202855620U Novel vacuum circuit breaker |
| 04/03/2013 | CN202855619U Program lock interlocking mechanism of vacuum circuit breaker |
| 04/03/2013 | CN202855618U Outdoor vacuum circuit breaker |
| 04/03/2013 | CN202855617U Vacuum circuit breaker mechanism |
| 04/03/2013 | CN202855616U Thermoplastic material solid-sealed polar pole vacuum circuit breaker |
| 04/03/2013 | CN202855615U Vacuum circuit breaker switch-on interlocking mechanism |
| 04/03/2013 | CN103026445A Arcing fault and arc flash protection system having a high-speed switch |
| 04/03/2013 | CN103026444A 真空阀 Vacuum valve |
| 04/03/2013 | CN103021739A Hybrid direct-current circuit breaker |
| 04/03/2013 | CN103021730A Three-phase alternating-current 50Hz outdoor high-pressure vacuum circuit breaker (VCB) |
| 04/03/2013 | CN103021729A Intelligent integrated controller for permanent magnet vacuum circuit breaker |
| 04/03/2013 | CN103021728A Medium-voltage electric distribution apparatus |
| 04/03/2013 | CN103021727A Joining structures, electrical contacts and manufacturing means thereof |
| 04/03/2013 | CN103021726A 固体绝缘筒 Solid insulation barrel |
| 04/03/2013 | CN103021725A High-voltage switch |
| 04/03/2013 | CN103021724A Pole-mounted switch |
| 04/03/2013 | CN103021723A High-voltage switch |
| 04/03/2013 | CN103021722A Layered interleaved conductive structure for movable end of solid-sealed polar pole for circuit breaker |
| 04/03/2013 | CN101765896B Opening/closing device, and opening/closing device operating mechanism |