Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › 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
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)
11/1990
11/21/1990CN1010527B Miniature electrical circuit breaker with multiple moving contacts and thermo magnetic trip release
11/20/1990CA1276669C Circuit breaker with arc chamber vent
11/15/1990WO1990013903A1 Automatic cutout
11/13/1990US4970481 Current limiting circuit breaker contact arm configuration
11/07/1990CN1046811A Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
11/06/1990US4969063 Circuit breaker with status indicating lights
11/06/1990US4968859 Circuit breaker with low voltage contact structure
10/1990
10/31/1990EP0395326A1 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
10/31/1990EP0394922A1 Contact arrangement for electric switching devices
10/25/1990CA2013535A1 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
10/24/1990EP0179912B1 Switch
10/24/1990CN1010148B Contactor
10/17/1990EP0392836A2 Circuit protector construction
10/16/1990US4963846 Trip interlock design
10/13/1990CA2010916A1 Circuit protector construction
10/10/1990EP0391086A1 Push button operated overload circuit breaker
10/09/1990US4962406 Compact DC/AC circuit breaker with common arc extinguishing capability
10/09/1990CA1275139A1 Fast manual closing mechanism of miniature circuit breaker
10/03/1990CN1045891A Adjustable circuit breaker thermal trip unit
10/03/1990CN1009877B Molded case circuit breaker
10/02/1990CA1274872A1 Circuit breaker with self-contained electronic trip actuator
09/1990
09/26/1990EP0389185A2 Adjustable circuit breaker thermal trip unit
09/22/1990CA2010888A1 Adjustable circuit breaker thermal trip unit
09/18/1990US4958252 Circuit breaker with rating plug having memory
09/18/1990US4958136 Circuit breaker with individual gap adjustment at high and low settings of magnetic trip
09/18/1990US4958135 High rating molded case multipole circuit breaker
09/12/1990EP0386768A2 Circuit device having circuit breaking and leakage current detecting functions
09/11/1990CA1273977A1 Magnetic vacuum circuit breaker
09/08/1990CA2010695A1 Circuit breaker with individual gap adjustment at high and low settings of magnetic trip
09/05/1990EP0385202A1 Enclosed bimetal circuit breaker
09/05/1990EP0385201A1 Cycling bimetal circuit breaker
09/05/1990EP0385094A1 Non-cycling electrical circuit breaker
08/1990
08/29/1990EP0384156A2 Ambient Compensator for thermal overload relay
08/21/1990US4951021 Electromagnetic switching apparatus having dynamically balanced latch trip
08/21/1990US4950848 Adjustable circuit breaker with draw out interlock
08/21/1990CA1273039A1 Circuit breaker with magnetic shunt hold back circuit
08/14/1990US4949059 Flange engagement of captive tube by enclosure wall in electromagnetic circuit breakers mounted on a base
08/07/1990US4947145 Remote-controlled circuit breaker
08/02/1990DE4001992A1 Moulded case circuit breaker auxiliary switch unit - includes access cover to allow field installation of accessory components before connection within circuit and indicates on-off condition
08/01/1990EP0379558A1 Drive mechanism for circuit breaker
08/01/1990CN2060012U 多功能自动开关 Multifunctional Automatic Switch
07/1990
07/31/1990US4945345 Circuit breaker signal
07/31/1990US4945327 Molded case circuit breaker variable arc exhaust shield
07/25/1990EP0378679A1 Circuit breaker auxiliary device snap-on package.
07/25/1990CN2059765U Antishock thermal relay
07/24/1990US4943691 Low-voltage limiting circuit breaker with leaktight extinguishing chamber
07/11/1990EP0377479A1 Trip device for an electrical switch and an electrical switch with this trip device
07/10/1990CA1271503A1 Overload switch
07/03/1990CA2006860A1 Trip device for an electrical switch and an electrical switch with this trip device
06/1990
06/27/1990CN2058785U 电路断路器 Circuit breaker
06/26/1990US4937548 Circuit breaker
06/20/1990CN1043222A Apparatus for limiting travel of circuit breaker operating lever
06/19/1990US4935711 Electromagnetic switch
06/19/1990US4935589 Arc extinction chamber unit in a multipolar circuit breaker
06/08/1990CA2004181A1 Electrical circuit breaker handle locking apparatus
06/05/1990US4931762 Circuit breaker construction
05/1990
05/30/1990CN1008227B Molded case circuit breaker with an improved arc gas external venting system
05/23/1990CN2057532U Mechanical type three-phase coupled switch
05/22/1990US4928079 Circuit breaker auxiliary switch assembly
05/16/1990CN1008026B Molded case circuit breaker with combined position indicator and handle barrier
05/16/1990CN1008025B Interchangeable mechanism for molded case circuit breaker
05/09/1990CN1042026A Circuit breaker with low voltage contact structure
05/09/1990CN1007945B Molded case circuit breaker with an improved contoured cradle
05/08/1990US4924202 Non-cycling electrical circuit breaker
05/02/1990CN2056790U Electric leakage protector
05/01/1990US4922220 Adjustable circuit breaker thermal trip unit
05/01/1990US4922219 Circuit breaker
05/01/1990CA1268508A1 Circuit breaker with electrical disconnect means
04/1990
04/25/1990CN1041666A Laminated copper assembly
04/24/1990CA1268199A1 Moulded case circuit breaker
04/19/1990DE3835273A1 Switching mechanism for line protection circuit breakers
04/18/1990CN1041476A Circuit breaker with arc gum
04/17/1990US4918413 Clamp for captive tube in electromagnetic circuit breakers
04/11/1990EP0362871A2 Remote-controlled circuit breaker
04/11/1990EP0362845A2 Remote-controlled circuit breaker
04/10/1990US4916421 Contact arrangement for a current limiting circuit breaker
04/10/1990US4916420 Operating mechanism of a miniature electrical circuit breaker
04/10/1990US4916419 Circuit breaker contact assembly
04/10/1990CA1267672A1 Frame with clip-on draw-in grips for a withdrawable multipole circuit breaker
04/10/1990CA1267671A1 Low voltage circuit-breaker with improved breaking
04/10/1990CA1267670A1 Circuit breaker with adjustable thermal trip unit
04/04/1990CN1041062A Electrical switching device with cover interlock
04/03/1990US4913503 Molded case circuit breaker actuator-accessory unit reset mechanism
03/1990
03/27/1990US4912441 Drive mechanism for circuit breaker
03/27/1990US4912439 Molded case circuit breaker auxiliary switch unit
03/21/1990EP0359467A2 Circuit breaker with arc gun
03/20/1990US4910485 Multiple circuit breaker with double break rotary contact
03/14/1990EP0358482A2 Electrical switching device with cover interlock
03/14/1990EP0358287A2 Driving element for a multipole low tension electrical power circuit breaker
02/1990
02/28/1990EP0355629A1 Circuit breaker armature latch with control leg
02/28/1990CN2053794U Automatic single phase leak switch
02/28/1990CN1040114A Ct quick change assembly
02/28/1990CN1040113A Circuit breaker trip bar interlock
02/28/1990CN1040112A Crossbar assembly
02/28/1990CN1040111A Modular option deck assembly
02/28/1990CN1040110A Combination barrier and auxiliary ct board
02/28/1990CN1040109A Bubber stops in outside poles
02/27/1990CA1266291A1 Snap-in panel mounted circuit breaker
02/26/1990EP0296183A4 Circuit breaker contact assembly.
02/22/1990EP0248022A4 Unitary switch and circuit breaker.
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