Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
11/1999
11/24/1999EP0958643A1 Circuit breaker for disconnecting an electrical apparatus from electrical network
11/24/1999CN2350863Y Direct-acting vacuum contactor
11/24/1999CN2350860Y 往复式真空接触器 Reciprocating vacuum contactors
11/23/1999US5990439 Compartmentalized arc chamber
11/18/1999DE19815152C1 Mehrpoliger Hochspannungs-Leistungsschalter A multi-pole high-voltage circuit breaker
11/17/1999EP0957501A2 Actuator assembly with calibration means and electrical power switch apparatus incorporating this assembly
11/17/1999EP0956579A1 Switching device with under-voltage auxiliary release
11/17/1999CN2349659Y Three-interlocking vacuum loading switch
11/17/1999CN2349658Y Contact action device for operation mechanism of high-voltage vacuum switch
11/17/1999CN2349651Y Permanent magnet operation mechanism
11/17/1999CN1235363A Hydraulic operating device
11/16/1999US5985628 Phase conductor
11/11/1999DE19816366C1 Kapselungsbaustein mit einem dreiphasigen Schaltgerät für eine gasisolierte Hochspannungsschaltanlage Encapsulation with a three-phase switching device for a gas-insulated switchgear
11/10/1999EP0955655A1 Shielding for getter for a vacuum switching tube and method for fixing of the gatter to the shielding
11/10/1999EP0955649A2 Electrical switching apparatus with modular operating mechanism for mounting and controlling large compression close spring
11/10/1999CN2348482Y Outdoor dry high-tension vacuum circuit breaker
11/10/1999CN2348481Y Three spring end positioning guiding structure of spring operating mechanism
11/10/1999CN2348476Y Tripper of spring operating mechanism
11/10/1999CN1234593A Consumptive-type switch device
11/10/1999CN1046372C Double current breaker device for switching apparatus
11/09/1999US5982258 Tripping device for a circuit breaker equipped with an electrical fault indication
11/09/1999US5981894 Metal-enclosed, gas-insulated switchgear assembly
11/09/1999US5981893 Electrical switching device
11/07/1999CA2271240A1 Electrical switching apparatus with modular operating mechanism for mounting and controlling large compression close spring
11/03/1999EP0953199A1 High-voltage power switch with an axially displaceable field electrode
11/03/1999EP0572654B1 Compact circuit breaker
11/02/1999US5978200 High-voltage circuit breaker with arc gas-blast
11/02/1999US5977502 Gas circuit breaker
11/02/1999CA2006033C Gas-blast electrical circuit breaker
10/1999
10/28/1999WO1999054902A1 An interrupt assembly for a primary circuit breaker
10/28/1999DE19817942A1 Control device for HV switch
10/27/1999CN2346063Y High-tension vacuum load switch
10/27/1999CN1233095A Plug-in circuit breaker comprising operating lever for opening and closing of poles
10/26/1999US5972068 Contact material for vacuum valve
10/21/1999WO1999053512A1 Burn-off contact arrangement
10/21/1999DE19816509A1 Abbrandschaltanordnung Consumable
10/21/1999DE19816508A1 Abbrandschaltanordnung Consumable
10/21/1999DE19816507A1 Abbrandschaltanordnung Consumable
10/21/1999DE19816506A1 Leistungsschalter Circuit breaker
10/21/1999DE19816505A1 Leistungsschalter Circuit breaker
10/20/1999EP0951123A1 Disconnectable circuit breaker with an operating lever for opening and closing the poles
10/20/1999EP0951042A2 Circuit breaker
10/20/1999EP0951039A1 Power switch
10/20/1999EP0951038A1 Arcing contact arrangement
10/20/1999EP0951029A2 Arcing contact arrangement
10/20/1999CN2344863Y Vacuum arc-extinguishing chamber with thermal resistance
10/20/1999CN2344860Y Grid chip arc-estinguishing chamber with V shape end
10/20/1999CN1232281A Arc-suppressing switch
10/20/1999CN1232280A Circuit breaker
10/20/1999CN1232279A Circuit breaker
10/20/1999CN1232276A Vacuum valve type load time-division contact switching device
10/19/1999US5969920 Test circuit for verifying operation of an arc fault detector
10/14/1999WO1999052186A1 Encapsulating module with a three-phase switching device for a gas-insulated high-voltage switching installation
10/14/1999WO1999052121A1 Motor operator for overhead air break electrical power distribution switches
10/14/1999WO1999052120A1 Overcurrent circuit-breaker, especially a generator power circuit-breaker
10/14/1999WO1999052119A1 Encapsulating module with a three-position switch integrated into a current path for a gas-insulated switchgear installation
10/14/1999DE19816592A1 Drive units of three-position switches e.g. for power-supply and distribution, switching and control gear
10/13/1999EP0949643A1 Electrical switchgear, particularly electromagnetical switchgear with vacuum interrupter
10/13/1999CN2343666Y Drum-type load switch with isolated opens
10/13/1999CN2343665Y Large capacity vacuum circuit breaker
10/13/1999CN2343664Y Contact spring pressure device for vacuum circuit breaker
10/13/1999CN1231492A Protective shield for vacuum switch electron valve and method for fixing degasser on same
10/13/1999CN1231490A Three-position switch driving device for electricity supply and distributing switch equipment
10/13/1999CN1045682C Contacts material for vacuum valve
10/07/1999WO1999050869A1 Drive devices for interrupter units in power supply switching devices
10/07/1999WO1999050861A1 Current transformer for supplying auxiliary power to an electronic overcurrent release
10/07/1999DE19815538A1 Antriebseinrichtungen für Unterbrechereinheiten von Schaltgeräten zur Energieversorgung und -verteilung Drive means for interrupter units of switchgear for power supply and distribution
10/07/1999DE19815537A1 HV device with arcing monitor for encapsulation housing
10/07/1999DE19814414A1 Elektromagnetisches Schaltgerät mit Magnetantrieb Electromagnetic switching device with electromagnetic actuator
10/06/1999EP0948013A2 Electromagnetic switch with rocker
10/06/1999EP0948012A2 Switch with electromagnetic driving mechanism
10/06/1999EP0948011A2 Switch assembly for high-voltage electric power lines
10/06/1999EP0948006A2 Arrangement for indication of switching condition and consumption of the contacts of an electric switch
10/06/1999CN1230812A Power supply socket with circuit breaker
10/06/1999CN1230758A Spring drive mechanism for switchgear, in particular circuit breaker
10/05/1999US5962824 Trip link structure for circuit breaker
09/1999
09/30/1999WO1999049490A1 Rotation-activated circuit-breaker with a leading auxiliary switch
09/30/1999WO1999049488A1 Blow-out coil for gas-insulated load-break switches
09/30/1999DE19813557A1 Isolation switch developed to operate reliably even under adverse conditions, esp. enabling several hundred cycles to be performed without fault
09/30/1999DE19809088C1 Hochspannungsleistungsschalter mit einer Isolierstoffdüse High-voltage circuit breaker with an insulating
09/29/1999EP0945983A2 Method and arrangement for direct current circuit interruption
09/29/1999EP0945948A2 Test circuit for verifying operation of an arc fault detector
09/29/1999EP0945881A2 Electrical switch
09/29/1999EP0944914A1 Low pressure gas discharge switch
09/29/1999CN2341267Y Direct hand-operated or electric operating mechanism of vacuum load switch
09/29/1999CN2341266Y Hand operated energy storing structure of spring operating mechaism
09/29/1999CN1230287A Encapsulated vacuum interrupter and method of making same
09/29/1999CN1230286A Vertical antitracking skirts
09/29/1999CN1230285A Grading ring insert assembly
09/29/1999CN1230004A Vacuum insulated switching apparatus
09/28/1999US5959274 Operating mechanism for high-voltage circuit-breakers
09/28/1999CA2071155C Electric switching device
09/22/1999EP0944105A1 Vacuum insulated switching apparatus
09/21/1999US5955716 Interlock control for a circuit breaker and a disconnector
09/21/1999US5955715 Circuit breaker having a closure resistance
09/21/1999CA2188686C Medium voltage station
09/16/1999WO1999046790A1 Electric cable
09/15/1999EP0895643B1 Interrupter unit of a high-voltage power circuit breaker
09/15/1999CN2338871Y Apparatus for driving on/off switch for high valtage vacuum breaker
09/15/1999CN2338870Y 35 kilovolt high valtage vacuum breaker
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