Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
08/1995
08/24/1995WO1995022832A1 Sequential isolating circuit breaker and actuator
08/24/1995WO1995022831A1 Switching device
08/24/1995DE4405206A1 Schaltvorrichtung Switching device
08/24/1995CA2183443A1 Sequential isolating circuit breaker and actuator
08/24/1995CA2160805A1 Switching device
08/23/1995CN1107251A Arc-distinction circuit for breaking dc circuit
08/23/1995CN1107227A High-voltage breaker mechanic property testing system and on-line checking method
08/23/1995CN1107189A Shortcircuiting system for use in monopolar and bipolar electrolyzers
08/22/1995US5444377 Electronic trip device comprising a test device
08/22/1995US5444202 Actuator for electrical switches
08/22/1995US5444201 Multiple electrode structure for a vacuum interrupter
08/17/1995WO1995022167A2 Stray arc protective device, especially for low-voltage switching installations for distributing electric power
08/17/1995WO1995022158A1 High performance circuit breaker with independent pole operation linkage and conical composite bushings
08/17/1995WO1995022157A1 Arc stack for a circuit breaker
08/16/1995EP0667633A1 Autopneumatic circuit breaker with pneumatically locked semi-mobile piston
08/16/1995CN1106958A Protection and control device for electrical loads background of the invention
08/16/1995CN1106852A ARC-quenching compositions for high voltage current limiting fuses and circuit interrupters
08/10/1995DE4404074A1 Störlichtbogen-Schutzvorrichtung, insbesondere für Niederspannungs-Schaltanlagen zur Verteilung elektrischer Energie Arc-fault protection device, especially for low-voltage switchgear for distributing electrical energy
08/09/1995EP0666581A1 D.C. cut-off extinguishing ARC circuit
08/09/1995CN2205053Y 真空开关管触头 Vacuum switch contacts
08/09/1995CN1106564A Arc switching electromechanical switch
08/08/1995US5440440 High current solid state AC relay with low EMI emission
08/03/1995DE19502210A1 Current limiter unit for network currents
08/02/1995EP0665565A2 Contact system for high power circuit breaker
08/02/1995EP0593498B1 Isolating switch with a main switch pin and an auxiliary contact pin
08/01/1995US5438174 Vacuum interrupter with a radial magnetic field
08/01/1995CA2140605A1 Current limiter unit ampere rating module
08/01/1995CA2049211C Two-link, trip-free operating mechanism for use in a switch assembly
07/1995
07/26/1995EP0664553A1 High-voltage power circuit breaker with a heating chamber
07/26/1995EP0664552A1 Puffer-type gas-blast circuit breaker with double movement
07/26/1995EP0664551A2 H.T. electrical circuit breaker with a heating chamber and a compression device
07/26/1995EP0664550A2 Vacuum valve
07/25/1995US5436414 Drive mechanism for circuit interrupters
07/20/1995WO1995019629A1 Arc stack for a circuit breaker
07/20/1995DE4401356A1 Vacuum switching tube with special current terminal
07/20/1995CA2156509A1 Arc stack for a circuit breaker
07/19/1995EP0663675A1 Multipolar switch for staggered switching on or off
07/19/1995EP0606265B1 Multi-pole vacuum switch with a pole operating unit for each vacuum switching tube
07/19/1995EP0606264B1 Vacuum switch with a drive device and a pole operating unit
07/19/1995CN2203801Y Oil type quenching knife-blade switch
07/19/1995CN1029360C Insulating component and a gas-insulated high voltage apparatus having such an insulating component
07/19/1995CN1029358C Drive apparatus with pressure medium for open and close switch contact
07/12/1995EP0662240A1 Vacuum-type circuit breaker with connection terminals.
07/12/1995CN1105147A A high tension circuit breaker capable of interrupting fault currents having a delayed zero crossing
07/12/1995CN1105146A Switch having a vacuum interrupter
07/11/1995US5431796 Shortcircuiting system for use in monopolar and bipolar electrolyzers
07/05/1995EP0661788A1 High-voltage arrangement
07/04/1995US5430599 System for opening/closing circuit breakers
06/1995
06/29/1995CA2137104A1 High voltage installation
06/28/1995EP0660354A2 Casing of vacuum interrupter
06/28/1995EP0660353A2 Vacuum valve and method of manufacturing the same
06/28/1995EP0660352A1 Direct-current breaker for high power
06/22/1995WO1995017001A1 High-voltage power switch with a field electrode
06/22/1995CA2179201A1 High-voltage power switch with a field electrode
06/21/1995EP0658964A2 Switch gear
06/21/1995EP0658909A1 Drive mechanism for a power circuit breaker
06/21/1995CN2201725Y 真空断路器 Vacuum Circuit Breaker
06/21/1995CN2201724Y Switch
06/14/1995EP0657907A1 Current interrupting part of a switching device in particular of a contactor or a circuit breaker
06/14/1995DE4437862A1 Load circuit-breaker switch for medium voltage range
06/14/1995DE4416090C1 Bearing arrangement for power switch actuator shaft
06/14/1995DE4416088C1 Lever linkage mechanism for transmission of drive force in electrical power switch
06/14/1995CN1028935C Multipole circuit breaker with single-pole units
06/14/1995CN1028932C Gas circuit breaker
06/13/1995US5424504 Resistor-provided UHV breaker having delaying/operating mechanism for making and breaking main contacts and resistor contacts
06/13/1995US5424503 Puffer type circuit interrupter with improved blast valve and permanent contacts
06/13/1995US5423700 Bus bar connector
06/08/1995DE4411596C1 Vacuum load switch operating drive
06/08/1995DE4340533A1 Movable component drive piston hydraulic actuator
06/07/1995EP0458922B1 Process for producing a surface-coated component, especially a contact member for a vacuum switch, and device for implementing the process
06/07/1995CN2200229Y Recoverying regenerative device of SF6 gas
06/07/1995CN1103507A Flexible connector for a circuit interrupter
06/06/1995US5422450 Vacuum circuit breaker actuating assembly
06/06/1995US5421190 Device for measuring gas density
06/06/1995CA2009298C Metal-clad, compressed gas-blast circuit-breaker
05/1995
05/31/1995EP0655761A2 Hydraulic system for actuating at least one lineary moving element
05/31/1995EP0655760A2 Electrical switch device
05/31/1995EP0655759A2 Electrical switchgear
05/30/1995US5420384 Contact material for a vacuum interrupter
05/30/1995US5419236 Method for controlling a hydraulic drive and configuration for carrying out the method
05/26/1995WO1995014303A1 Electrical gas-blast switch
05/26/1995WO1995014302A1 Electrical gas-blast switch
05/26/1995CA2176954A1 Electrical gas-blast switch
05/26/1995CA2176953A1 Electrical gas-blast switch
05/24/1995EP0654808A1 Autoexpansion circuit breaker with insulating gas
05/24/1995EP0499606B1 Three-pole, metal encased, pressurised-gas-insulated high-voltage switchgear
05/24/1995DE4413191C1 Electric load switch spring drive tensioning device
05/24/1995CN1102906A Multi-functional high-tension cut-off switch
05/24/1995CA2133122A1 Switch operator and interlock mechanism
05/23/1995US5418511 Direct current switching apparatus
05/17/1995EP0615652B1 Vacuum switch
05/17/1995EP0429489B1 Assemblies of ptc circuit protection devices
05/16/1995US5416455 Direct current switching apparatus
05/16/1995CA2002094C Mechanical pressure switch
05/11/1995WO1995012889A1 Vacuum switch
05/10/1995CN1102502A Vacuum circuit breaker as well as vacuum valve and electric contact used in same
05/10/1995CN1028392C High-and medium-voltage gas circuit breaker
05/03/1995EP0651484A1 High-tension switchgear
05/03/1995EP0651409A1 Spring drive for switchgear
04/1995
04/30/1995CA2131469A1 High-voltage switching device