Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434)
09/1985
09/10/1985US4540961 Molded case circuit breaker with an apertured molded cross bar for supporting a movable electrical contact arm
09/03/1985US4539538 Molded case circuit breaker with movable upper electrical contact positioned by tension springs
08/1985
08/20/1985US4536630 Limiting switch
07/1985
07/10/1985EP0148111A2 Contact system with an electrodynamic opening
07/03/1985EP0146805A2 Electric circuit breaker with improved contact structure
07/02/1985US4527027 Molded case circuit breaker with improved high fault current interruption capability
06/1985
06/26/1985EP0145990A2 Circuit breaker with improved cross-bar and contact assembly
04/1985
04/23/1985US4513270 Contactor having self-protection means against the effect of the forces of repulsion between the contacts
04/23/1985US4513267 Circuit breaker
04/16/1985US4511774 Current limiting contact arrangement
02/1985
02/05/1985CA1182156A1 Contactor with self-protection means against the effects of the repulsion forces between contacts, and related short-circuit current interrupting and limiting apparatus
02/05/1985CA1182153A1 Mobile contact freeing device for short-circuit current limiting contactors
01/1985
01/22/1985CA1181454A1 Electromagnetically actuated anti-rebound latch
01/09/1985EP0130560A2 Current limiting switch
01/09/1985EP0130208A1 Switch with controlled closing and opening and automatic opening in case of current overloads.
12/1984
12/19/1984EP0128676A2 Circuit interrupter
12/11/1984US4488133 Contact assembly including spring loaded cam follower overcenter means
11/1984
11/27/1984US4485283 Current limiter unit
11/20/1984US4484164 Circuit breaker
11/13/1984US4482877 Electric circuit breakers having fast short circuit response
10/1984
10/30/1984US4480242 Variable torque contact arm for electric circuit breakers
09/1984
09/18/1984US4472698 Device for releasing the movable contacts of contactors adapted for limiting short circuit currents
09/12/1984EP0118334A1 Current-limiting switch
09/11/1984CA1174260A1 Contactor-breaker
09/04/1984US4470027 Molded case circuit breaker with improved high fault current interruption capability
08/1984
08/07/1984US4464642 Circuit breaker
07/1984
07/19/1984WO1984002802A1 Switch with controlled closing and opening and automatic opening in case of current overloads
06/1984
06/12/1984US4454490 Contactor with the properties of a circuit-breaker
06/12/1984US4454395 Circuit breaker
05/1984
05/15/1984CA1167495A1 Multipole electric circuit breaker with improved current limiting device
03/1984
03/14/1984EP0102867A1 Modular current limiting means
03/14/1984EP0102574A2 Bimetallic protection switch
02/1984
02/21/1984CA1162576A1 Resettable circuit breaker for use in ground fault circuit interrupters and the like
01/1984
01/24/1984CA1161086A1 Contact pop responsive latch release for circuit breakers
11/1983
11/22/1983US4417223 Multipole electric circuit breaker with improved current limiting device
11/01/1983CA1156298A1 Rapid electric-arc extinguishing assembly in circuit- breaking devices such as electric circuit breakers
10/1983
10/11/1983US4409573 Electromagnetically actuated anti-rebound latch
10/04/1983US4408173 Electric switch
09/1983
09/20/1983CA1154059A1 Individual circuit breaker pole trip mechanism
09/20/1983CA1154057A1 Flux shifter reset assembly
09/07/1983EP0087642A1 Circuit-breaker arrangement suitable as a general circuit breaker
08/1983
08/23/1983US4400670 Electric switch, more particularly a current-limiter
06/1983
06/08/1983EP0080939A1 Contactor with self-protection means against the repulsive forces between the contacts and his application in a current limiting circuit breaker
03/1983
03/02/1983EP0072972A2 Automatic switch
02/1983
02/22/1983US4375021 Rapid electric-arc extinguishing assembly in circuit-breaking devices such as electric circuit breakers
02/16/1983EP0072285A1 Opening device for mobile contacts of contactors able to limit short circuit currents
02/01/1983US4371859 Coil spring biased current limiter
01/1983
01/04/1983US4367508 Current limiter
10/1982
10/13/1982EP0062369A2 Electric switch, more particularly a current-limiter
09/1982
09/29/1982EP0061097A2 Circuit breaker
09/28/1982CA1132638A2 Manually and electromagnetically operated circuit breaker
09/08/1982EP0059455A1 Arc restricting device for circuit breaker
09/01/1982EP0059118A1 Multi-pole electric circuit breaker with current limiting device
08/1982
08/24/1982CA1130348A1 Current limiting circuit interrupter with improved operating mechanism
05/1982
05/11/1982US4329668 Leakage current circuit breaker responsive to direct-current leakage currents of both polarities
04/1982
04/06/1982CA1121417A1 Circuit interrupter with pivoting contact arm having a clinch-type contact
04/06/1982CA1121414A1 Current limiting circuit breaker with pivoting contact arm
01/1982
01/12/1982CA1116210A1 Current limiting circuit breaker with integral magnetic drive device housing and contact arm stop
12/1981
12/22/1981US4307358 Electromagnetic contactor is fitted with an electromagnet sensitive to over-currents, to cause the limitation and cut-off of excess currents
12/02/1981EP0041049A2 Protective line switch
11/1981
11/17/1981US4301435 Flux shifter reset assembly
11/10/1981CA1112271A1 Electromagnetic contactor, with electromagnet reacting to overvoltage to limit and exclude overcurrents
09/1981
09/08/1981CA1108680A1 Current limiting contactor
08/1981
08/18/1981CA1107326A1 Automatic magnetic switch
08/12/1981EP0033479A1 Arc extinguishing arrangement for electric current limiting circuit breakers
07/1981
07/28/1981US4281303 Individual circuit breaker pole trip mechanism
07/21/1981CA1105552A1 Solenoid coil surrounding magnetic circuit gap
07/14/1981US4278958 Electromagnetically operated multi-pole circuit breaker
07/07/1981CA1104619A1 Low profile multi-pole circuit breaker having multiple toggle springs
05/1981
05/19/1981CA1101471A1 Current limiting circuit breaker with improved magnetic drive device
05/12/1981CA1101025A1 Current limiting circuit breaker
04/1981
04/01/1981EP0025918A1 Current limiter
03/1981
03/31/1981US4259651 Current limiting circuit interrupter with improved operating mechanism
03/24/1981US4258343 Unitized combination starter
03/24/1981US4257296 Shear back-gauging system
02/1981
02/17/1981CA1095954A1 Circuit breaker with fast trip mechanism
02/10/1981CA1095566A1 Current limiter assembly for a circuit breaker
01/1981
01/27/1981US4247746 Electric circuit breaker
01/13/1981US4245203 Circuit interrupter with pivoting contact arm having a clinch-type contact
01/07/1981EP0021882A1 Electric current interrupting apparatus of the current limiting type
11/1980
11/12/1980EP0018454A1 Electric circuit breaker
10/1980
10/07/1980US4227161 Current limiting circuit breaker with pivoting contact arm
09/1980
09/23/1980CA1086361A1 Anti-rebound latch for current limiting switches
09/02/1980US4220934 Current limiting circuit breaker with integral magnetic drive device housing and contact arm stop
08/1980
08/26/1980US4219790 Current limiting circuit breaker
07/1980
07/23/1980EP0013642A1 Low voltage current limiting circuit breaker
07/22/1980CA1082270A1 Current limiting circuit breaker
05/1980
05/13/1980CA1077545A1 Combination motor-starter and circuit breaker
03/1980
03/25/1980US4195212 Contactor having higher fault current withstandability
03/04/1980CA1073021A1 Multipole circuit breaker with contact arms individually biased by torsion springs
03/04/1980CA1073013A2 Unitized motor starter
02/1980
02/06/1980EP0007405A1 Fault-current protective switch and method of production of a magnet core
02/05/1980CA1071273A1 Unitized motor starter
01/1980
01/23/1980EP0006903A1 Defect current protection swtich, reacting to double biased direct defect currents
01/09/1980EP0006637A1 Multipolar current-limiting circuit breaker
12/1979
12/11/1979US4178618 Current limiting circuit breaker
10/1979
10/17/1979EP0004801A2 Circuit breaker with an electromagnetic device for a fast opening operation of the movable contact
10/09/1979CA1064078A1 Current limiting circuit breaker with electromagnetic opening means
08/1979
08/21/1979US4165502 Current limiter assembly for a circuit breaker
08/08/1979EP0003447A1 Device for current limiting and circuit breaking
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