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