| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 02/17/2010 | CN201408704Y Brake opening structure of indoor high voltage alternating current vacuum circuit breaker |
| 02/17/2010 | CN201408703Y Opening and closing half shaft for vacuum circuit breaker |
| 02/17/2010 | CN201408702Y Error-proofing interlocking device of indoor high voltage alternating current vacuum circuit breaker |
| 02/17/2010 | CN201408701Y Heat-dissipation device for heavy-current indoor high-voltage vacuum circuit breaker |
| 02/17/2010 | CN201408700Y Buffering device for heavy-current indoor high-voltage vacuum circuit breaker |
| 02/17/2010 | CN201408699Y Floor-type indoor high-voltage vacuum circuit breaker |
| 02/17/2010 | CN201408698Y Pulsed power type permanent magnet linear motor actuator of high-voltage circuit breaker |
| 02/17/2010 | CN201408685Y Mounting fixture of arc extinguishing chamber of vacuum circuit breaker |
| 02/17/2010 | CN201408678Y Switching and interlocking mechanism of high-voltage operating mechanism |
| 02/17/2010 | CN101651062A Break-brake tripping operation mechanism for high-voltage vacuum circuit breaker |
| 02/17/2010 | CN101651061A Electric vacuum isolated phase change switch with manual-isolating switch |
| 02/17/2010 | CN101651060A Vacuum isolated phase change switch with manual-isolating switches |
| 02/17/2010 | CN101651059A Electric vacuum isolated phase change switch |
| 02/17/2010 | CN101651058A Vacuum insulating phase-change switch circuit |
| 02/17/2010 | CN100590763C Insulation pull pole for vacuum breaker |
| 02/16/2010 | US7662208 Matrix phase of copper and silver and a chromium phase surrounded by silicon carbide particles and dispersed in the matrix phase; copper has 0.2-1 % lead; excellent interruption performance and showing a low surge voltage concurrently, less deterioration; reduced in size; cost efficiency |
| 02/11/2010 | WO2010015604A1 Vacuum switching tube |
| 02/11/2010 | US20100032412 Vacuum envelope including self-aligning end shield, vacuum interrupter, vacuum circuit interrupter and method including the same |
| 02/11/2010 | DE102008035974A1 Löschplatte für eine Lichtbogen-Löschkammer Erase board for arc extinguishing chamber |
| 02/10/2010 | CN201402774Y Z-shaped multi-break module type high voltage vacuum circuit breaker |
| 02/10/2010 | CN201402773Y Connecting structure of vacuum bubble moving end of vacuum circuit breaker |
| 02/10/2010 | CN201402772Y Ceramic sleeve for vacuum circuit breaker |
| 02/10/2010 | CN201402757Y Closing and locking device of breaker |
| 02/10/2010 | CN201402614Y Nuclear power indoor high-voltage vacuum circuit breaker |
| 02/10/2010 | CN101645368A Electric switch provided with separate arc-extinguishing device |
| 02/10/2010 | CN101645367A Vacuum circuit breaker |
| 02/09/2010 | CA2364140C Shielded electrical equipment with a rupture disk protected against atmospheric stress |
| 02/04/2010 | WO2010012349A1 Cam disc and spring deflection switch for a spring-loaded drive and spring-loaded drive |
| 02/04/2010 | WO2010012301A1 Generator circuit breaker with fiber-optic current sensor |
| 02/04/2010 | US20100025378 Pivoting barrier for contact arm protection |
| 02/04/2010 | US20100025377 Housing for a vacuum interrupter module |
| 02/04/2010 | US20100025376 Vacuum insulated switch-gear and its height adjusting method |
| 02/04/2010 | US20100025375 Vacuum Circuit Breaker |
| 02/04/2010 | US20100025204 Cam operated spring discharge interlock mechanism |
| 02/04/2010 | US20100025203 Draw-out mechanism for molded case circuit breakers |
| 02/04/2010 | DE102009031904A1 Hydraulischer Antrieb Hydraulic drive |
| 02/03/2010 | EP2149894A1 Vacuum insulated switch-gear and its height adjusting method |
| 02/03/2010 | CN201397760Y Closed-type phase unit |
| 02/03/2010 | CN201397759Y Vacuum circuit breaker switch-on holding structure |
| 02/03/2010 | CN101640141A Gas-insulated tripolar mechanical linkage breaker |
| 02/03/2010 | CN100587883C Vacuum switchgear |
| 02/02/2010 | US7656636 Electronic trip device provided with a power supply circuit comprising voltage raising means and circuit breaker comprising one such trip device |
| 02/02/2010 | US7655878 Key sheet and key sheet manufacturing method |
| 01/28/2010 | WO2008135214A8 Switching device having a vacuum interrupter chamber |
| 01/27/2010 | EP2148349A1 Axial magnetic field vacuum fault interrupter and electrode assembly therefor |
| 01/27/2010 | EP2148348A1 Switching apparatus |
| 01/27/2010 | CN201393003Y Load switch of inflatable ring network switching device |
| 01/27/2010 | CN201392992Y Combined electric appliance of vacuum load isolating switch and fuse |
| 01/27/2010 | CN201392769Y Operating mechanism for vacuum breaker |
| 01/27/2010 | CN201392768Y High-voltage vacuum circuit breaker |
| 01/27/2010 | CN201392767Y Permanent magnet high-current vacuum contactor |
| 01/27/2010 | CN201392766Y Electromagnet mounting plate of vacuum circuit breaker |
| 01/27/2010 | CN201392765Y Vacuum circuit breaker |
| 01/27/2010 | CN201392764Y SF6 circuit breaker |
| 01/27/2010 | CN201392742Y Air buffering device and high-voltage vacuum circuit breaker utilizing same |
| 01/27/2010 | CN101635226A Gas circuit breaker |
| 01/27/2010 | CN101635225A Spring operating mechanism |
| 01/27/2010 | CN101635224A Manual and electrical integral operating mechanism of 10KV vacuum circuit breaker |
| 01/27/2010 | CN101635223A Lightening protection device of 10KV vacuum circuit breaker |
| 01/27/2010 | CN101635222A Medium-pressure mid-set movable solid-sealed type vacuum switch |
| 01/27/2010 | CN101635221A Extra-high voltage breaker and extra-high over-voltage preventing system with same |
| 01/27/2010 | CN100585242C Electromagnetic hydraulic valve possessing self-defence capability |
| 01/26/2010 | US7652221 Contact drive arrangement |
| 01/21/2010 | WO2010006830A1 Method and device for producing vacuum interrupters or assemblies of vacuum interrupters, and vacuum interrupter |
| 01/21/2010 | US20100012624 High-Voltage Disconnecting Circuit Breaker And Method Of Operating The Same |
| 01/20/2010 | EP2146361A2 Switching device for an electrical switching unit, in particular a medium voltage switching assembly |
| 01/20/2010 | CN201387842Y Link gear for vacuum circuit breaker |
| 01/20/2010 | CN201387841Y Cam interlocking mechanism of vacuum switch |
| 01/20/2010 | CN201387840Y Spring operating mechanism for miniature vacuum load switch or vacuum circuit breaker |
| 01/20/2010 | CN201387839Y Permanent magnet vacuum breaker on outdoor post |
| 01/20/2010 | CN201387838Y High-voltage circuit breaker of pulse-driven linear motor type magnetic mechanism |
| 01/20/2010 | CN201387825Y Post cure frock structure of vacuum casting insulating tension pole |
| 01/20/2010 | CN201386138Y Pickling fixture for copper parts of vacuum interrupter |
| 01/20/2010 | CN101632145A Device for monitoring vacuum |
| 01/20/2010 | CN100583341C Casing-integrated spring hydraulic operation mechanism for primary cut-out |
| 01/20/2010 | CN100583333C Spring operation mechanism for breaker |
| 01/19/2010 | CA2390713C Circuit interrupter and operating mechanism therefor |
| 01/19/2010 | CA2325300C Current transfer arrangement for circuit interrupter |
| 01/16/2010 | CA2670596A1 Non-intrusive electromagnetic monitoring and protection method for use on high-voltage circuit breakers when energized |
| 01/14/2010 | WO2010003589A1 Hydraulic stored-energy spring mechanism |
| 01/14/2010 | DE102008032143A1 Hydraulischer Federspeicherantrieb Hydraulic spring operating mechanism |
| 01/14/2010 | DE102008031472A1 Vakuumschaltröhre Vacuum interrupter |
| 01/13/2010 | EP2144263A1 Electrical switchgear in a metal enclosure with reduced voltage gradient |
| 01/13/2010 | CN201383468Y Indoor high pressure vacuum circuit breaker operating mechanism |
| 01/13/2010 | CN201383467Y Monostable and monocoil permanent magnetic mechanism |
| 01/13/2010 | CN201383466Y Vacuum contactor |
| 01/13/2010 | CN201383465Y Explosion-proof wire mesh sintering component for high-voltage switch |
| 01/13/2010 | CN201383464Y Mechanical locking misoperation prevention interlocking device |
| 01/13/2010 | CN201383463Y Dynamic seal structure for energy accumulator of hydraulic spring operating mechanism |
| 01/13/2010 | CN201383462Y Oil level observation window of hydraulic control mechanism used for circuit breaker |
| 01/13/2010 | CN201383461Y Particle trapping device |
| 01/13/2010 | CN101627452A Energy accumulator for switchgear |
| 01/12/2010 | US7646269 Electrical switching apparatus, and conductor assembly and shunt assembly therefor |
| 01/12/2010 | US7645957 Nozzle for a gas-insulated switching device and related switching device |
| 01/09/2010 | CA2671582A1 Electrical switch |
| 01/07/2010 | WO2010000770A1 Vacuum switching tube |
| 01/07/2010 | WO2010000769A1 Vacuum switching tube |
| 01/07/2010 | WO2010000684A1 Load interrupter comprising an arc extinguishing device |
| 01/07/2010 | US20100000973 Vacuum switch and vacuum switchgear |
| 01/07/2010 | US20100000972 Vacuum Circuit Breaker |