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)
01/1996
01/09/1996US5483032 High voltage load interrupter with safety system
01/09/1996US5483031 Gas-insulated disconnector provided with structure for suppressing metal particles contamination
01/09/1996US5483030 Group operated circuit disconnect apparatus for overhead electric power lines
01/09/1996US5482481 Bus bar connector
01/03/1996EP0632928B1 Vacuum switch with a current-loop assembly
01/03/1996EP0632927B1 Multi-pole vacuum switch with an insulation assembly surrounding each switching tube
12/1995
12/27/1995EP0689218A1 Gas blast switch
12/27/1995EP0689217A1 Vacuum tube, especially for circuit breaker or h.t. electrical switch, and switch incorporating such a tube
12/27/1995EP0689059A1 Partial discharge detector for electric equipment
12/27/1995EP0688463A1 Arc stack for a circuit breaker
12/27/1995EP0634048B1 Gas-insulated switching unit with a multi-pole vacuum switch and a multipole load-break switch
12/26/1995US5478980 Compact low force dead tank circuit breaker interrupter
12/21/1995DE4420768A1 Bellows damping device e.g. for vacuum switching chamber
12/21/1995DE19519900A1 Low-voltage AC contactor for industrial and commercial applications
12/20/1995EP0688071A1 Metal-clad gas-insulated switchgear
12/20/1995CN1113599A Interruptor with parrallel resistors
12/19/1995US5476030 Hydraulic device for a hydraulic drive for a high-tension circuit-breaker
12/14/1995DE4424725C1 Unloading circuit for power switch
12/14/1995DE4420524A1 Metal-encapsulated gas-insulated switchgear
12/14/1995CA2147085A1 Metal-enclosed gas-filled switchgear units
12/13/1995EP0686851A1 Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 Hz and 60 Hz power systems
12/07/1995WO1995033274A1 Compressed-gas circuit breaker with a nozzle made of insulating material
12/07/1995WO1995033273A1 Power switch module
12/07/1995WO1995033272A1 Insulating support for vacuum switch tubes
12/07/1995DE4420386A1 Compressed gas HV power switching device
12/07/1995DE4419105A1 Power switch with releasable connector between terminal bolt and conductor
12/07/1995CA2191590A1 Compressed-gas circuit breaker with a nozzle made of insulating material
12/06/1995CN1113029A Inturruptor for sub-line
12/05/1995CA2065512C Fast-acting disconnecting switch
11/1995
11/30/1995DE4418642A1 Power circuit-breaker
11/29/1995EP0684673A1 Switchboard with a three phase power circuit breaker located within a switch cabinet
11/29/1995EP0684622A1 Circuit breaker with reduced self compression
11/29/1995CN1112722A Contacts material for vacuum valve
11/23/1995DE4416781A1 Method for monitoring and displaying arc control in circuit breaker
11/22/1995CN1112281A Operating mechanism for circuit breaker
11/22/1995CN1030360C Vacuum interruptor
11/20/1995CA2149490A1 Reduced self-compression circuit breaker
11/15/1995EP0682354A1 Miniaturized solenoid operated trip device
11/15/1995EP0682351A1 Vacuum interrupter and method for manufacturing the same
11/14/1995US5466902 Switch operator and interlock mechanism
11/08/1995EP0681352A2 Switchgear module and configurations, and method of fabrication and assembly thereof
11/08/1995CN2212259Y 高压真空负荷开关 High-voltage vacuum load switch
11/08/1995CN1111407A High-voltage installation
11/07/1995US5464956 Rotating arc interrupter for loadbreak switch
11/02/1995WO1995029497A1 Electric switching devices with blow-out channels for arc gases
11/02/1995WO1995029496A1 Bearing arrangement for a switch shaft
11/02/1995WO1995029495A1 Lever arrangement to transmit a driving force
11/02/1995WO1995029494A1 Tensioner for a spring-loading device
11/02/1995EP0680063A1 Medium voltage electric switch
11/01/1995CN1111031A A puffer circuit-breaker having a pneumatically-locked semi-moving piston
10/1995
10/31/1995US5463199 DC-rated circuit breaker with arc suppressor
10/26/1995DE4416106A1 Spannvorrichtung für einen Federspeicher Clamping device for a spring-loaded
10/25/1995EP0678956A1 Current- and voltage sensor for a high voltage installation
10/25/1995EP0678887A1 Electrical apparatus with integrated pressure detection
10/25/1995EP0678886A1 Medium or high voltage circuit-breaker
10/25/1995EP0600071A4 Manual override mechanism for a remote controlled circuit breaker.
10/25/1995CN2211126Y Driving mechanism for high-voltage switch box
10/24/1995US5461205 Electrode stem for axial magnetic field vacuum interrupters
10/20/1995CA2147228A1 Electrical gear with built-in pressure detection
10/19/1995WO1995028025A1 Intelligent circuit breaker providing synchronous switching and condition monitoring
10/19/1995WO1995027993A1 Mechanical guidance system for switcher interrupter and method for assembling the same
10/19/1995WO1995027992A1 Device for tensioning the cut-in spring in actuator units for circuit breakers, in particular vacuum circuit breakers
10/19/1995DE4419380C1 Leistungsschaltermodul Breaker module
10/19/1995DE4412991A1 Screening for vacuum switching chamber
10/19/1995DE19513790A1 Vacuum switching stage with low pressure valve
10/18/1995EP0677859A2 Switch mechanism
10/12/1995WO1995027300A1 Moving interrupter gap shield
10/12/1995WO1995027299A1 Moving gas mixing plate for puffer interrupter
10/12/1995WO1995027298A1 Interrupter assembly
10/12/1995WO1995027297A1 Interrupter assembly
10/12/1995WO1995027296A1 Drive arrangement for vacuum power circuit breakers, in particular in a tri-polar configuration
10/12/1995WO1995027294A1 Two-step operating mechanism for combined interrupter disconnect switch
10/11/1995EP0676783A2 High-tension circuit-breaker with a heating chamber and a compression chamber
10/11/1995EP0676782A2 Rotating arc interrupter for loadbreak switch
10/11/1995CN1110000A Electrical switching device
10/10/1995US5457294 UHV breaker provided with resistances
10/10/1995US5457292 For interrupting a high voltage electrical circuit
10/09/1995CA2146039A1 Operating mechanism for electrical switches and fault interrupters
10/04/1995CN2209381Y Compression spring energy storage mechanism for vacuum circuit breaker
10/04/1995CN1109630A Current breaker device for switching apparatus, especially for contactors or contactor/overload relays
09/1995
09/28/1995WO1995022167A3 Stray arc protective device, especially for low-voltage switching installations for distributing electric power
09/28/1995DE4410650A1 Releasable coupling for aligned electrical conductors in encapsulated gas-insulated MV or HV switch
09/27/1995EP0674375A1 Releasable coupling device between two aligned conductors
09/27/1995EP0674332A1 High tension electric power circuit breaker with a drive
09/27/1995EP0673965A1 Stabilised fluoropolymer and blowout nozzle for gas blast circuit breaker made therefrom
09/26/1995US5453591 Sensing structure for component wear in high voltage circuit interrupters
09/26/1995US5453587 Transportable remotely actuated racking device for use with high voltage industrial circuit breakers
09/19/1995US5452172 For use with a three phase high voltage electrical power distribution line
09/19/1995US5452170 Commutation type DC breaker
09/19/1995US5451731 Circuit breaker and driving mechanism thereof
09/14/1995WO1995024725A1 Device for monitoring the operation safety of power switches (diagnosis apparatus)
09/14/1995CA2185017A1 Device for monitoring the operational safety of power switches (diagnostic apparatus)
09/12/1995US5449869 Actuator housing
09/12/1995US5449868 Vacuum bottle contactor tip pressure adjuster
09/08/1995WO1995024051A1 Sealed relay device
09/06/1995CN1107998A Hydraulic device for operating at least one component which moves in a linear manner
09/05/1995US5448030 Gas insulated circuit breaker
09/05/1995CA2062921C Varistor-resistor device for a circuit breaker arc chute
08/1995
08/30/1995EP0669631A2 Direct current switching apparatus
08/30/1995EP0669039A1 Shield-type electric disconnecting switch with improved dielectric characteristics
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