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