Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
01/2014
01/30/2014WO2014017241A1 Switch
01/30/2014WO2014015652A1 Vacuum circuit breaker
01/30/2014US20140027408 Circuit breaker
01/29/2014EP2690641A1 Circuit breaker
01/29/2014EP2690640A1 Switch device and operating mechanism for same
01/29/2014EP2689447A1 Vacuum interrupter and switch pole
01/29/2014EP2689446A1 Switching device
01/29/2014EP2689439A1 Contact member including purposely introduced undulations and vacuum interrupter including the same
01/29/2014EP2492941B1 Device for controlling at least one mobile contact and multipolar electronic switchgear comprising such a device
01/29/2014CN203415489U Operating mechanism for vacuum circuit breaker
01/29/2014CN203415488U High-voltage vacuum circuit breaker over-current tripping device
01/29/2014CN203415487U Vacuum arc-extinguishing chamber
01/29/2014CN203415486U Vacuum arc chute
01/29/2014CN203415485U Double contact of vacuum arc chute
01/29/2014CN203415484U A flexible connection for a vacuum arc-extinguishing chamber
01/29/2014CN203415483U Single-break pot-type vacuum circuit breaker
01/29/2014CN203415482U Vacuum three-position switch with quick earthing knife
01/29/2014CN203415481U Indoor AC high-voltage vacuum circuit breaker
01/29/2014CN203415480U Full insulation vacuum breaker polar post
01/29/2014CN103545141A Arc extinction method of high voltage switchgears
01/29/2014CN103545140A Non-contact type auxiliary switch
01/29/2014CN103545139A Load disconnecting switch
01/29/2014CN102412070B Guide and buffer device of moving contact
01/29/2014CN102306591B Self-energy arc extinguishing switch device comprising composite insulation cylinder
01/29/2014CN101436486B Switching device equipped with a circuit breaker and a disconnecting switch and comprising shared activation means
01/28/2014US8638011 Portable power manager operating methods
01/23/2014WO2014014081A1 Magnetizing inrush current suppression device and suppression method therefor
01/23/2014WO2014012750A1 Safety device for a power transformer, and related power transformer using such a safety device
01/23/2014WO2014012687A1 Arrangement of electrical facility under an electrical casing
01/23/2014US20140021170 Circuit breaker
01/23/2014DE112005001085B4 Zustandserfassungsvorrichtung und Schaltsteuervorrichtung einer Leistungsschaltvorrichtung, welche die Zustandserfassungsvorrichtung verwendet State detecting device and the shift control device of a power switching apparatus which uses the state detecting device
01/23/2014DE102012212509A1 Circuit breaker for protecting electrical components from overcurrent mounted in electric vehicle, has separating device that comprises explosive separation load located at separation point in power current path in chamber
01/22/2014EP2688081A1 Safety device for a power transformer, and related power transformer using such a safety device
01/22/2014EP2686859A1 Gas-insulated high-voltage circuit breaker
01/22/2014CN203406538U Locking device of breaker hydraulic mechanism
01/22/2014CN203406227U 真空灭弧室 Vacuum Interrupter
01/22/2014CN203406226U Permanent magnetism vacuum circuit breaker
01/22/2014CN203406225U Solid-sealed type breaker pole insulation seat
01/22/2014CN203406224U Interface clamping device of sulfur hexafluoride circuit breaker
01/22/2014CN103531400A Solid-sealed polar pole and production method thereof
01/22/2014CN103531399A Restriking-less vacuum circuit breaker based on automatic tripping amplitude adjustment
01/22/2014CN103531398A Vacuum interrupter
01/22/2014CN103531397A Solid-sealed polar post and manufacturing method thereof
01/22/2014CN103531382A Current aging technical device for vacuum arc-extinguishing chamber
01/22/2014CN103528921A Spacing mechanism used for enclosed instrument filled with gas or liquid
01/22/2014CN102427011B Fuse wire tube and switch cabinet
01/22/2014CN101714474B A mechanism for the synchronized operation of closing and opening of a switching device and a selector device in a switchgear
01/21/2014US8633619 Power managers and methods for operating power managers
01/21/2014US8633413 Switchgear assembly with a contact gap
01/21/2014CA2738677C Over-voltage suppression apparatus
01/16/2014WO2014010110A1 Switch gear
01/16/2014US20140014623 Gas-Insulated High-Voltage Power Circuit Breaker
01/16/2014US20140014622 Electromagnetic contactor
01/15/2014EP2684203A1 Voltage converter for a switchgear
01/15/2014CN203398003U Explosion chamber assembly structure
01/15/2014CN203398002U Novel vacuum circuit breaker
01/15/2014CN203398001U Vacuum circuit breaker manual closing device
01/15/2014CN203398000U Suspension type permanent magnet vacuum circuit breaker
01/15/2014CN203397999U High-voltage switch circuit breaker transmission mechanism
01/15/2014CN203397998U Dual-installation support for voltage transformer
01/15/2014CN203397997U Switching on-off control device of three-phase discrete circuit breaker
01/15/2014CN203397996U Blocking device used for LW6B-252 sulfur hexafluoride breaker
01/15/2014CN103518247A Vacuum interrupter
01/15/2014CN103518246A Double-motion gas insulated type circuit breaker
01/15/2014CN103515142A Electromagnetic operation type switching device
01/15/2014CN103515141A Electromagnetic operation type switching device
01/15/2014CN103515140A Switching device phase unit
01/15/2014CN103515139A Vacuum arc-extinguishing chamber composite contact structure and arc-extinguishing chamber suitable for capacity current connecting and disconnecting
01/15/2014CN103515138A Insulation terminal post in solid insulation ring network cabinet
01/15/2014CN103515137A Vacuum switch-fuse combined electrical pole column
01/15/2014CN102629530B Arc-extinguishing load switch and switch equipment
01/15/2014CN102034643B Electrode for switch and vacuum switch, and method of manufacturing electrode for switch or vacuum switch
01/14/2014US8629366 Medium voltage circuit breaker arrangement
01/09/2014WO2014005713A1 Pushrod assembly for a medium voltage vacuum circuit breaker
01/09/2014WO2014005694A1 Circuit-breaker pole part with a heat transfer shield
01/09/2014WO2013154824A8 Non-rotary, pull-pull interphase gang-style linkage structure for high voltage dead tank breaker
01/09/2014WO2013011009A8 Disconnector for a gas-insulated installation comprising a vacuum bulb
01/09/2014DE102012211475A1 Vacuum switching tube, has contact system for switching and/or disrupting current guided over tube and comprising fixed and movable contacts, and conductor element for electrical connection with contacts and arranged in hollow body
01/08/2014EP2683137A1 Preventive diagnostic system for gas insulated switchgears GIS based on IEC 61850
01/08/2014EP2682974A1 Pushrod assembly for a medium voltage vacuum circuit breaker
01/08/2014EP2682973A1 Circuit-breaker pole part with a heat transfer shield
01/08/2014EP2682970A1 Switchgear apparatus comprising means for keeping the contacts closed
01/08/2014CN203386651U Vacuum degree real-time detecting circuit for vacuum explosion chamber of vacuum circuit breaker
01/08/2014CN203386650U Simple hydraulic vacuum circuit breaker with damping function
01/08/2014CN203386649U Emergency brake-separating device of vacuum circuit breaker
01/08/2014CN203386648U A hand-operated energy storage mechanism
01/08/2014CN203386647U Vacuum circuit breaker inlet and outlet wiring sheath
01/08/2014CN203386646U 252kV composite apparatus isolating/grounding switch switch-off and switch-on positioning device
01/08/2014CN203386645U An automatic switch used for mining
01/08/2014CN103503106A Switchgear and operation mechanism for same
01/08/2014CN103503105A Switching device
01/08/2014CN103500681A Vacuum arc extinguishing chamber
01/08/2014CN101952921B Interrupter arrangement having a movable switching tube
01/07/2014US8624146 Metal-encapsulated, gas-insulated, combined switch disconnector and earthing switch
01/03/2014WO2014001160A1 Switching arrangement
01/03/2014WO2014001029A1 Three-position load isolating switch for medium-voltage switchgear assemblies
01/03/2014WO2014000790A1 A high voltage current interrupted and an actuator system for a high voltage current interruptor
01/02/2014US20140001157 Electronic switch
01/01/2014EP2678926A2 Sub-module of a modular multi-stage converter
01/01/2014CN203377161U Apparatus for detecting vacuum degree of vacuum circuit breaker
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