Patents
Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434)
09/1995
09/05/1995US5448033 Circuit breaker stationary contact strap
08/1995
08/30/1995CN2206500Y Plug with reset protector
08/24/1995WO1995022831A1 Switching device
08/24/1995DE4405206A1 Schaltvorrichtung Switching device
08/24/1995CA2160805A1 Switching device
08/17/1995WO1995022166A1 Blow-off terminal for a circuit breaker
08/17/1995WO1995022165A1 Blade suspension assembly for a circuit breaker
08/17/1995WO1995022164A1 Contact blade assembly for a circuit breaker
08/17/1995CA2158964A1 Blow-off terminal for a circuit breaker
08/17/1995CA2158961A1 Contact blade assembly for a circuit breaker
08/16/1995EP0667050A1 Device for protection.
08/16/1995CN1106958A Protection and control device for electrical loads background of the invention
07/1995
07/13/1995DE4424125C1 Automatic main protection fuse for distribution network
07/04/1995US5430420 Contact arrangement for a circuit breaker using magnetic attraction for high current trip
06/1995
06/27/1995US5428195 Current limiter unit for molded case circuit breakers
06/13/1995US5424699 Blow-off terminal for a circuit breaker
05/1995
05/16/1995US5416291 Current limiting circuit breaker operating mechanism including linkage
04/1995
04/19/1995EP0427826B1 Automatic cutout
04/12/1995EP0647958A1 Contact system for a current limiting unit
02/1995
02/02/1995WO1995003619A1 Current-limiting switch
02/02/1995DE4325030A1 Switch for current limiting
01/1995
01/11/1995EP0633584A1 Protection and control device for electrical load
01/04/1995EP0632478A1 Electrical circuit interrupting device with means to break welded contacts
12/1994
12/08/1994CA2125245A1 Electrical circuit interrupting device with means to break welded contacts
11/1994
11/08/1994US5363076 Circuit breaker having spring biased blade suspension
11/01/1994US5361051 Pivoting circuit breaker contact arm assembly
10/1994
10/26/1994CN1026372C Rapid changed assembly of current transformer and force transmitting washer of same
10/12/1994EP0619593A1 Multipole current limiting circuit breaker with electrodynamic repulsion
10/12/1994EP0572654A4 Compact circuit breaker.
09/1994
09/27/1994US5351024 For controlling the flow of electrical power
09/21/1994EP0616352A1 Apparatus switch with integrated over-current protection
09/20/1994CA1332067C Crossbar assembly
09/14/1994EP0615268A1 Electrical contactor employing a rotary disc
09/08/1994DE4404706A1 Moving contact-making device in a circuit breaker
08/1994
08/30/1994US5343174 Electrical circuit interrupting device with means to break welded contacts
08/30/1994CA1331771C Molded case circuit breaker crossbar assembly
08/23/1994US5341191 Molded case current limiting circuit breaker
06/1994
06/07/1994US5319169 Molded case circuit breaker having rectangular knee pin non-rotatably keyed to toggle linkage
06/07/1994US5319167 Electrical contactor employing a rotary disc
05/1994
05/17/1994US5313180 Molded case circuit breaker contact
05/17/1994US5313033 Molded case circuit breaker having changing pivot locations for the operating handle
05/11/1994WO1994010734A1 Device for protection
05/10/1994US5310971 Molded case circuit breaker with contact bridge slowed down at the end of repulsion travel
04/1994
04/12/1994US5302788 Molded case circuit breaker having trapezoidally shaped shaft
03/1994
03/22/1994US5296827 Circuit breaker with magnetic shield
03/17/1994EP0563360A4 Operating mechanism for a circuit breaker.
01/1994
01/12/1994CN2153136Y Single-phase electric machine protection switch
01/04/1994US5276422 Surge absorber
12/1993
12/14/1993CA1325233C Low-voltage limiting circuit breaker with leaktight extinguishing chamber
12/08/1993EP0572654A1 Compact circuit breaker
12/07/1993US5268661 Current throttle technique
12/01/1993CN2148394Y Three phase motor protecting switch
11/1993
11/30/1993US5266760 Molded case circuit breaker
11/25/1993DE4222965C1 Contact system for electrical power switching of load and safety devices - has movable contacts on carriers with spring elements to provide snap action operating forces
11/10/1993CN1078329A 自动切换装置 Automatic switching device
11/09/1993US5260533 Molded case current limiting circuit breaker
11/02/1993US5258733 Molded case circuit breaker having improved trip unit
10/1993
10/28/1993WO1993021677A1 An overload protective system
10/20/1993EP0565577A1 Thermally responsive electric switch.
10/14/1993WO1993020571A1 Vacuum switch with a current-loop assembly
10/13/1993EP0516640B1 Quick-action circuit breaker
10/06/1993EP0563360A1 Operating mechanism for a circuit breaker.
09/1993
09/30/1993DE4210714A1 Vakuumschalter mit einer Stromschleifenanordnung Vacuum switch with a current loop arrangement
09/15/1993EP0560697A1 Moulded-case circuit breaker with retardation at the end of the contact bridges repulsion movement
09/15/1993EP0560696A1 Contact for moulded case circuit breaker
08/1993
08/31/1993US5241290 Compact circuit breaker
08/01/1993CA2088473A1 Miniature reverse loop current limiting circuit breaker
07/1993
07/27/1993US5231365 Circuit breaker
07/21/1993CN2138835Y Automatic switch for overload and short-circuit
07/07/1993CN1021526C Crossbar assembly
06/1993
06/29/1993US5223681 Current limiting circuit breaker with over-molded magnet and metal plates
06/21/1993WO1993013537A1 Compact circuit breaker
06/21/1993CA2104007A1 Compact circuit breaker
05/1993
05/26/1993EP0543496A1 Molded case current limiting circuit breaker
04/1993
04/19/1993WO1993008585A1 Current limiting circuit breaker with over-molded magnet and metal plates
04/19/1993WO1993008579A1 Operating mechanism for a circuit breaker
04/19/1993CA2098087A1 Operating mechanism for a circuit breaker
03/1993
03/23/1993US5196815 Miniature circuit breaker
02/1993
02/02/1993US5184100 Circuit breaker
02/02/1993US5184099 Circuit breaker with dual movable contacts
12/1992
12/23/1992CN1019619B Modular breaker of auxiliary interruper unit and many stage breaker connected
12/09/1992EP0516640A1 Quick-action circuit breaker.
11/1992
11/17/1992US5164560 Repulsion type circuit breaker control device
10/1992
10/27/1992US5159304 Current limiting circuit breaker
09/1992
09/30/1992EP0236422B1 Remote control circuit breaker
09/29/1992US5151674 Power circuit breaker
08/1992
08/18/1992CA1306486C Electromagnetic switch
07/1992
07/23/1992WO1992012524A1 Thermally responsive electric switch
07/19/1992CA2056575A1 Molded case circuit breaker movable contact arm mounting arrangement
06/1992
06/17/1992EP0490332A2 Circuit breaker
06/16/1992CA1303653C Current limiting circuit interrupter
05/1992
05/27/1992CN2105761U Electric locomotive dc quick circuit breaker
04/1992
04/29/1992EP0482197A1 Circuit breaker
04/07/1992US5103202 Ambient compensated circuit breaker
03/1992
03/03/1992US5093544 Molded case circuit breaker movable contact arm mounting arrangement
02/1992
02/27/1992DE4026779A1 Contact system for load breaker switch - uses knee lever mechanism for lifting movable contacts from fixed contacts
01/1992
01/15/1992EP0466287A2 Circuit breaker with an independant locking device of the movable contact
01/15/1992CN2093439U Electrothermal magnetic protector
01/09/1992WO1992000598A1 Contact arrangement for electric switching devices
12/1991
12/17/1991US5073764 Current limiting apparatus
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