Patents for H01H 73 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism (6,696) |
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04/29/1987 | CN86107135A Kinematic transmission system between the operating mechanism and poles of a moulded insulating case electrical circuit breaker |
04/22/1987 | EP0219211A2 Circuit breaker with replaceable rating plug interlock and push to trip button |
04/21/1987 | US4660012 Polarized electromagnetic relay with magnetic latching for an electric circuit breaker trip release |
04/21/1987 | US4660009 Modular integral circuit interrupter |
04/15/1987 | EP0218470A2 Circuit breaker with blow open latch |
04/14/1987 | US4658227 High speed magnetic contact driver |
04/08/1987 | CN86105712A Miniature electrical circuit breaker with multiple moving contacts and thermomagnetic trip release |
04/08/1987 | CN86105019A Circuit breaker with generating electro-magnetic force connection branch |
04/07/1987 | US4656446 Current limiting circuit breaker with series double break contact system per pole |
04/07/1987 | US4656444 Circuit breaker with force generating shunt |
04/07/1987 | US4656324 Current limiting circuit interrupter |
04/07/1987 | CA1220248A1 Miniature circuit breaker with improved insulation level |
03/31/1987 | US4654617 Magnetic circuit control apparatus |
03/31/1987 | US4654614 Current limiting solenoid operated circuit breaker |
03/18/1987 | EP0214813A2 Circuit breaker with interface flux shunt trip |
03/17/1987 | US4650944 Molded case circuit breaker with an improved operating mechanism having a pivot-transfer trip-free linkage |
03/17/1987 | US4650940 Circuit breaker with arc gas vent baffle |
03/17/1987 | US4650937 Automatic protection switch with visible disconnecting action and manual resetting |
03/10/1987 | US4649247 Contact assembly for low-voltage circuit breakers with a two-arm contact lever |
03/04/1987 | EP0212983A2 Electrical switch |
03/04/1987 | EP0212258A2 Circuit breaker with force generating shunt |
03/04/1987 | EP0212197A2 Circuit breaker with arc gas vent baffle |
03/04/1987 | CN85106821A 断路器 Breaker |
02/25/1987 | EP0211282A1 Excess current protective circuit breaker |
02/25/1987 | CN86201733U Automatic cutout device with isolation reversing for coal mine |
02/24/1987 | US4645890 Molded case circuit breaker with a movable electrical contact positioned by a camming leaf spring |
02/24/1987 | CA1218399A1 Operating mechanism of a low voltage electric circuit breaker |
02/18/1987 | CN86105856A Molded case circuit breaker |
02/18/1987 | CN86105837A Molded case circuit breaker with an improved contoured cradle |
02/18/1987 | CN86105824A Molded case circuit breaker with movable electrical contact positioned by camming spring loaded clip |
02/18/1987 | CN86105823A Molded case circuit breaker with combined position indicator and handle barrier |
02/18/1987 | CN86105814A Molded case circuit breaker with an improved operating mechanism having pivot-transfer trip-free linkage |
02/18/1987 | CN86105514A Circuit breaker with arc gas vent baffle |
02/17/1987 | US4644438 Current-limiting circuit breaker having a selective solid state trip unit |
02/17/1987 | US4644309 High speed contact driver for circuit interruption device |
02/17/1987 | US4644308 Variable composition switching device realizable by the assembling of modular elements |
02/17/1987 | US4644307 Current limiting type circuit breaker |
02/17/1987 | US4644122 Molded case circuit breaker with combined position indicator and handle barrier |
02/17/1987 | US4644121 Circuit breaker contact arm with variable force pivot |
02/10/1987 | US4642726 Solenoid operator circuit for molded case circuit breaker |
02/10/1987 | US4642431 Molded case circuit breaker with a movable electrical contact positioned by a camming spring loaded clip |
02/10/1987 | US4642430 Molded case circuit breaker with an improved contoured cradle |
02/04/1987 | CN85105356A Relay with current transformer |
01/28/1987 | EP0209832A2 Push button operated excess current protective circuit breaker |
01/27/1987 | US4639701 Circuit breaker with interface flux shunt trip |
01/27/1987 | US4639564 Circuit breaker with arc chamber vent |
01/21/1987 | EP0209433A1 Mobile contacts support, in particular for a protection circuit breaker |
01/21/1987 | EP0209058A2 Molded case circuit breaker with a movable electrical contact positioned by a camming spring loaded clip |
01/21/1987 | EP0209057A2 Combined position indicator and handle barrier in molded case circuit breaker |
01/21/1987 | EP0209056A2 Molded case circuit breaker |
01/21/1987 | EP0209055A2 Molded case circuit breaker with an improved operating mechanism having a pivot-transfer trip-free linkage |
01/21/1987 | EP0209054A2 Molded case circuit breaker |
01/20/1987 | US4638277 Circuit breaker with blow open latch |
01/14/1987 | EP0208565A1 Framework with snap-mounted connector clamps for a multi-pole disconnectable circuit breaker |
01/14/1987 | EP0208295A2 Current limiting circuit breaker with arc commutating structure |
01/14/1987 | EP0208292A2 Circuit breaker |
01/14/1987 | EP0208176A1 Circuit breaker |
01/14/1987 | CN86104588A Current limiting circuit breaker with arc commutating structure |
01/06/1987 | US4635021 Automatic overload tripper |
01/06/1987 | US4635012 Contactor structure of circuit breaker |
01/06/1987 | US4635011 Circuit breaker with arm latch for high interrupting capacity |
12/30/1986 | US4633207 Cam following bridge contact carrier for a current limiting circuit breaker |
12/30/1986 | EP0206883A1 Moulded case circuit breaker |
12/30/1986 | EP0206882A1 Low voltage circuit breaker with interruption |
12/30/1986 | CA1216020A1 Grounding switch |
12/24/1986 | CN85103171A 电路断流器 Circuit interrupters |
12/23/1986 | US4631507 Variable composition switching device |
12/23/1986 | US4631376 Molded case circuit breaker with an improved arc gas external venting system |
12/17/1986 | EP0205369A1 Low tension circuit breaker with a shunt effect |
12/17/1986 | EP0205361A1 Hand-actuated snap-closing mechanism for a miniaturized circuit breaker |
12/17/1986 | EP0204905A2 Automatic circuit breaker |
12/16/1986 | US4630020 Protective circuit breaker (I) |
12/16/1986 | US4630019 Molded case circuit breaker with calibration adjusting means for a bimetal |
12/16/1986 | US4630014 Current limiting circuit breaker stationary contact assembly with integral magnetic activating means |
12/10/1986 | EP0204216A2 Circuit breaker with blow-open contact arm |
12/10/1986 | CN85104525A Improved circuit breaker indicator |
12/09/1986 | CA1215092A1 Circuit interrupter with improved electromechanical undervoltage release mechanism |
12/09/1986 | CA1215091A1 Molded case circuit breaker apparatus having trip bar with flexible armature interconnection |
11/26/1986 | EP0202546A2 Switching mechanism for a protective power circuit breaker |
11/20/1986 | EP0202162A1 Device for supplying electric power with a circuit-breaker and electrical plug comprising such a device |
11/20/1986 | EP0201731A2 Circuit breaker with arc chamber vents |
11/11/1986 | US4622529 Operating mechanism for a low voltage multipole circuit breaker |
11/04/1986 | USRE32279 Interchangeable tripping device for a circuit-breaker |
10/29/1986 | EP0199668A2 Current limiting switch unit with a contact bridge assembly |
10/29/1986 | EP0120836B1 Electric safety switch for apparatus |
10/21/1986 | US4618748 Switching device for electrical switching apparatus |
10/15/1986 | CN85103421A Circuit interrupter |
10/08/1986 | EP0196994A2 Current-limiting switching unit with an arrangement of locally parallel contact arms |
10/07/1986 | US4616200 Circuit breaker |
09/30/1986 | US4614928 Automatic switch with an arc blast field |
09/24/1986 | EP0195066A1 Circuit breaker |
09/17/1986 | CN85109277A Programmable controller system for ac or dc load with digital circuit interrupting capability |
09/16/1986 | US4612426 Arc chute assembly for circuit breaker |
09/10/1986 | EP0193604A1 Automatically-reacting switch suitable for current limitation |
09/09/1986 | US4611189 Underoil primary circuit breaker |
09/09/1986 | US4611188 Circuit breaker |
09/09/1986 | CA1211143A1 Circuit breaker comprising parallel connected sections |
09/02/1986 | CA1210846A1 Selective solid state trip unit associated with a limiting circuit-breaker |
08/27/1986 | CN85108292A Magnetically operated circuit breaker |
08/20/1986 | EP0191719A1 Low-voltage circuit breaker provided with a current transformer |