Patents
Patents for H01H 75 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of power reset mechanism (554)
07/2004
07/29/2004US20040144757 Electrical circuit interrupting device
07/29/2004US20040144756 Electrical circuit interrupting device
06/2004
06/22/2004US6753493 Electrical circuit interrupting device
05/2004
05/12/2004CN1495821A Contact protector
03/2004
03/31/2004EP1402548A1 Electrical circuit interrupting device
02/2004
02/26/2004DE10305287A1 Overload protection switching system for electrical lines and components has thermal trips
01/2004
01/15/2004DE10305069A1 Elektrischer Widerstand Electrical resistance
11/2003
11/26/2003EP1365432A1 Circuit and/or apparatus protection switch
09/2003
09/30/2003US6628095 Actuator for remote operation of a circuit breaker
09/25/2003DE20207832U1 Overload protection switching system for electrical lines and components has thermal trips
04/2003
04/30/2003CN2548257Y Modular multifunctional dipolar vertical combined air switch
12/2002
12/12/2002WO2002099826A1 Electrical circuit interrupting device
12/05/2002US20020179571 Electrical circuit interrupting device
11/2002
11/20/2002CN2521746Y Earth leakage circuit-breaker
06/2002
06/12/2002EP1213740A1 Automatic resetting device for modular protection apparatus
05/2002
05/29/2002EP1209712A1 Remote control device for modular protective apparatus
12/2001
12/12/2001CN1076119C 电路断路器 Circuit breaker
10/2001
10/11/2001WO2001075925A1 Electrical device
09/2001
09/05/2001EP1129462A1 Actuator for remote operation of a circuit breaker
05/2001
05/23/2001CN2431639Y Triple automatic reclosing relay capable of positioning failure zone
03/2001
03/13/2001US6201676 Time delay device
06/2000
06/21/2000CN1053761C Circuit breaker and remote closing controller thereof
05/2000
05/18/2000WO2000028565A1 Actuator for remote operation of a circuit breaker
03/2000
03/07/2000US6034341 Circuit breaker
11/1999
11/24/1999CN2350865Y Four-pole switch for electric appliance
10/1999
10/13/1999CN2343669Y Multifunctional non-watt consumption ac contactor
09/1999
09/15/1999EP0942443A1 Circuit breaker
09/14/1999CA2076675C Quick-action circuit breaker
06/1999
06/15/1999US5912604 Molded pole automatic circuit recloser with bistable electromagnetic actuator
06/02/1999CN1218271A 电路断路器 Circuit breaker
04/1999
04/14/1999CN2314470Y Safety switch with protective circuit
02/1999
02/10/1999CN2307362Y 遥控断路器 Remote breaker
02/03/1999CN1041970C Shunt trip device sensitive to trip current
12/1998
12/22/1998CA2066714C Energy management accessory for circuit breaker
12/01/1998CA2141505C Activating mechanism for an interrupter chamber
04/1998
04/29/1998CN1180233A Mechanically controlled operation circuit for electric window of car
01/1998
01/07/1998CN1036959C Remote controlled circuit breaker with recharging cam
12/1997
12/16/1997CA2073252C Recloser apparatus
01/1997
01/02/1997EP0493486B1 Energy management accessory for circuit breaker
10/1996
10/08/1996US5563390 Actuating mechanism for actuating a protective interrupting chamber
08/1996
08/28/1996CN1129845A Circuit breaker remote closing operator
08/13/1996US5546062 Protection switch
07/1996
07/09/1996US5534833 Circuit breaker remote closing operator
05/1996
05/28/1996US5521569 Hyper-rapid circuit breaker
05/14/1996CA2073442C Electrical recloser having external mounting arrangement for electronics assembly
04/1996
04/02/1996US5504290 Remote controlled circuit breaker with recharging cam
08/1995
08/30/1995CN1107605A Low energy shunt trip
08/02/1995EP0665564A1 Driving mechanism for a protective breaker
05/1995
05/17/1995CN2197744Y Remote electrically controlling and frequently operating breaker
02/1995
02/07/1995US5387770 Electric operating device for circuit breaker
01/1995
01/19/1995DE4424535A1 Protective switching device
11/1994
11/16/1994CN1095185A Remote controlled circuit breaker with recharging cam
08/1994
08/24/1994EP0612091A1 Remote-controlled circuit-breaker with resetting cam
02/1994
02/22/1994US5288958 Lockable remote rotary handle operator for circuit breakers
12/1993
12/08/1993EP0572970A1 Electric operating device for circuit breaker
11/1993
11/24/1993CN1022878C Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
10/1993
10/13/1993EP0516640B1 Quick-action circuit breaker
10/06/1993EP0564173A1 Lockable remote rotary handle operator for circuit breakers
10/01/1993CA2092860A1 Locking remote rotary handle operator for circuit breakers
09/1993
09/08/1993EP0493486A4 Energy management accessory for circuit breaker
09/01/1993CN1022004C Circuit breaker with moulded outer shell
07/1993
07/07/1993CN1021526C Crossbar assembly
03/1993
03/31/1993EP0298092B1 Circuit breaker trip solenoid assembly
02/1993
02/03/1993EP0296183B1 Circuit breaker contact assembly
01/1993
01/26/1993CA2070469A1 Molded case circuit breaker load terminal assembly
12/1992
12/10/1992DE4118377A1 Overcurrent protection switch with mechanical device for re-closure - incorporates interacting system of levers and stops allowing rapid reversal of short-circuit-provoked temporary opening
12/09/1992EP0516640A1 Quick-action circuit breaker.
11/1992
11/24/1992US5166653 Trip device for an electric switch
11/10/1992US5163175 Switch
11/10/1992CA1310046C Circuit breaker contact assembly
09/1992
09/30/1992EP0236422B1 Remote control circuit breaker
07/1992
07/08/1992EP0493486A1 Energy management accessory for circuit breaker.
04/1992
04/15/1992CN2101939U Contactor with protector
04/07/1992US5103364 Recloser apparatus
03/1992
03/24/1992US5099385 Protected reversing contractor using a multifunctional transmission systrem for controlling acknowledgement switches
03/24/1992US5099382 Electrical recloser having external mounting arrangement for electronics assembly
01/1992
01/21/1992US5083103 Energy management accessory for circuit breaker
09/1991
09/03/1991CA1288459C Recloser undervoltage lockout mechanism
08/1991
08/28/1991CN1054148A Recloser apparatus
08/24/1991WO1991013452A1 Quick-action circuit breaker
08/14/1991CN1053867A Electrical recloser having external mounting arrangement for electronics assembly
07/1991
07/12/1991WO1991011047A1 Recloser apparatus
07/12/1991WO1991011013A1 Electrical recloser having external mounting arrangement for electronics assembly
07/02/1991US5029301 Limiting circuit breaker equipped with an electromagnetic effect contact fall delay device
05/1991
05/08/1991EP0426254A1 A trip device for an electric switch
04/1991
04/30/1991CA1283681C Circuit recloser with actuator for trip, close and lockout operation
03/1991
03/30/1991WO1991005358A1 Energy management accessory for circuit breaker
01/1991
01/02/1991EP0406130A1 Limiting circuit-breaker provided with electromagnetic means for delaying the return movement of the contact
12/1990
12/26/1990CA2019492A1 Limiting circuit breaker equipped with an electromagnetic effect contact fall delay device
11/1990
11/27/1990US4973927 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
11/07/1990CN1046811A Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
10/1990
10/31/1990EP0395326A1 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
10/25/1990CA2013535A1 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker
10/24/1990CN1010148B Contactor
08/1990
08/09/1990DE4003109A1 Three=phase inverter switch
08/08/1990EP0381542A1 Protected phase-reversal contactor using a multifunctional transmission system for the control of confirmation switches
08/03/1990CA2007196A1 Protected converter invester with multifunctional transmission system to control confirmation switches
07/1990
07/31/1990CA1272233A1 Circuit breaker trip solenoid assembly
06/1990
06/06/1990EP0371419A2 Electrical circuit breaker
03/1990
03/28/1990CN1040886A Bistable magnetic actuator and circuit breaker
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