Patents
Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434)
05/2002
05/23/2002WO2002041345A1 Contact arrangement for current-limiting protective circuit breakers
05/23/2002DE10056821A1 Contact set for current-limiting protection switch has rotatable switch shaft with rotary contact bridge acted on by contact force spring allowing contact wear compensation
05/23/2002DE10056818A1 Contact set for current-limiting protection switch has rotatable switch shaft with rotary contact bridge acted on by symmetrical pairs of contact force springs
05/23/2002DE10056816A1 Contact set for current-limiting protection switch has rotatable switch shaft with rotary contact bridge acted on by adjustable contact force springs
05/21/2002US6392512 Stationary line bus assembly
05/09/2002US20020053554 Circuit breaker for disconnecting an electrical apparatus from electrical network
05/08/2002DE10054383A1 Strombegrenzender Niederspannungs-Leistungsschalter Current-limiting low voltage circuit breakers
05/08/2002CN1348238A Structure of socket, switch, plug, adapter and connecting wire
05/02/2002WO2002035571A1 Auxiliary contact molded case circuit breaker
05/02/2002WO2002035570A1 Current limiting low-voltage power circuit breaker
05/02/2002US20020050878 Stationary line bus assembly
04/2002
04/25/2002DE10049728A1 Antriebsstrang für einen bewegbaren Kontakt eines elektrischen Schalters Drive train for a movable contact of an electrical switch
04/23/2002US6377143 Weld-free contact system for electromagnetic contactors
04/17/2002EP1196936A1 Displaceable contact having low electrical resistance
04/17/2002CN2487103Y Safety switch structure
04/16/2002US6373357 Pressure sensitive trip mechanism for a rotary breaker
04/16/2002US6373016 Pole for a low-voltage limiting electrical power circuit breaker and a circuit breaker equipped with such a pole
04/16/2002US6373014 Current limiting device and circuit interrupter having a current limiting function
04/10/2002CN1082711C Circuit-breaker operating mechanism with locking device capable of tripping when short circuit
04/04/2002WO2002027743A1 Drivetrain for a moving contact of an electrical switch
04/02/2002US6366438 Circuit interrupter rotary contact arm
03/2002
03/27/2002CN2483856Y Overload protector of socket with extended wire
03/21/2002WO2001069638A3 Trip override for a rotary breaker
02/2002
02/27/2002CN2479631Y Multi-member thermal relay with sealing cover
02/14/2002WO2001071742A3 Energy absorbing contact arm stop
02/07/2002DE10132858A1 Schutzschalter Circuit breaker
02/06/2002CN1078962C Current switch with moveable contact
01/2002
01/23/2002CN1332467A Circuit protector
01/22/2002US6340924 Repeatedly usable high-operating-speed circuit protection device using reed members
01/16/2002CN1331480A Cyclic button switch with over-load protection function
01/08/2002US6337449 Limiting circuit breaker comprising an auxiliary energy storage means
12/2001
12/06/2001US20010048354 Pressure sensitive trip mechanism for a rotary breaker
12/04/2001US6326868 Rotary contact assembly for high ampere-rated circuit breaker
11/2001
11/29/2001US20010045879 Combined tripping device for a circuit breaker
11/08/2001WO2001084579A1 Magnetic release for opening a contact system
11/07/2001CN2458725Y Improved push type safety switch
10/2001
10/31/2001DE10020695A1 Magnetauslöser zum Öffnen eines Kontaktsystems Magnetic trigger to open a contact system
10/30/2001US6310307 Circuit breaker rotary contact arm arrangement
10/17/2001EP1146529A1 Pole for a low voltage current limiting circuit breaker and circuit breaker having the same
10/11/2001US20010027961 Pole for a low-voltage limiting electrical power circuit breaker and a circuit breaker equipped with such a pole
10/10/2001EP1143478A2 Circuit breaker with arc gas engaging paddles on a trip bar and/or crossbar
10/10/2001CN1316757A Arc gas joint drop-out beam and/or crossbeam flashboard circuit breaker
10/04/2001DE10013160A1 Switch shaft unit for switch has contact element with control contour on side facing bias element for engagement with bias element during opening and before reaching dead point
10/03/2001CA2342743A1 Circuit breaker with arc gas engaging paddles on a trip bar and/or crossbar
09/2001
09/27/2001WO2001071742A2 Energy absorbing contact arm stop
09/27/2001DE10013161A1 Combined tripping device for circuit breaker has surface on lever associated with expulsion channel to assist lever deflection as result of pressure step in channel
09/26/2001EP1137038A2 Switching shaft unit for a switch
09/20/2001WO2001069638A2 Trip override for a rotary breaker
09/20/2001WO2001069637A1 Combined tripping device for a circuit-breaker
09/13/2001US20010021090 Apparatus for interrupting an electrical circuit
08/2001
08/29/2001CN2445428Y 开关结构 Switch structure
08/28/2001US6281459 Circuit interrupter having an improved slot motor assembly
08/23/2001DE10002870A1 Vorrichtung zum Begrenzen eines Stromes A device for limiting a current
07/2001
07/17/2001US6262645 Circuit interrupter with a trip mechanism having a biased latch
07/10/2001US6259048 Rotary contact assembly for high ampere-rated circuit breakers
06/2001
06/27/2001CN2437041Y Circuit breaker
06/27/2001CN2437040Y Permanent magnetic type mine lamp short-circuit protector
06/26/2001US6252480 Moving contact and crossbar assembly for a molded case circuit breaker
06/20/2001EP1109189A2 Circuit breaker rotary contact arm arrangement
06/06/2001CN1298548A Current limiter and circuit breaker with current-limiting function
05/2001
05/30/2001CN2432675Y Electric device with safety power-off, light display, protective cover and mutatinal wave resistant structure
05/23/2001EP1102297A1 Circuit breaker rotary contact assembly locking system
05/15/2001US6232856 Magnetic shunt assembly
05/08/2001US6229413 Support of stationary conductors for a circuit breaker
03/2001
03/20/2001US6204465 Circuit breaker with arc gas engaging paddles on a trip bar and/or crossbar
03/14/2001CN2423654Y On-line safety switch
03/14/2001CN1063281C Electromagnetic switch
03/14/2001CN1063280C Current limiting apparatus for circuit breaker
03/08/2001WO2001016989A1 Circuit interrupter with crossbar having improved barrier protection
03/08/2001WO2001016988A1 Molded case circuit breaker with current flow indicating handle mechanism
03/08/2001WO2001016985A1 Circuit interrupter with a trip mechanism having a biased latch
03/08/2001WO2001016984A1 Circuit breaker with two piece bell accessory lever with overtravel
03/08/2001CA2383097A1 Circuit interrupter with a trip mechanism having a biased latch
03/08/2001CA2382854A1 Circuit breaker with two piece bell accessory lever with overtravel
02/2001
02/27/2001US6194983 Molded case circuit breaker with current flow indicating handle mechanism
02/13/2001US6188302 Circuit breaker with two piece bell accessory lever with overtravel
02/06/2001US6184761 Circuit breaker rotary contact arrangement
01/2001
01/25/2001WO2001006530A1 Displaceable contact having low electrical resistance
01/25/2001DE19933919A1 Bewegbarer Kontakt mit niedrigem elektrischen Widerstand Moveable contact with low electrical resistance
01/17/2001EP1069584A1 Current limiter and circuit breaker with current-limiting function
11/2000
11/21/2000US6150909 Electromagnetic switching device
11/01/2000CN1271957A Limiting breaker including auxiliary energy storage component
10/2000
10/31/2000US6140894 Electrical circuit breakers
10/25/2000EP1047090A1 Limiting circuit breaker comprising an auxiliary energy accumulator
10/18/2000EP0695460B1 Blade suspension assembly for a circuit breaker
10/18/2000CN1270407A Self-locking high-safety switch
09/2000
09/05/2000US6114641 Rotary contact assembly for high ampere-rated circuit breakers
08/2000
08/31/2000DE19910172A1 Power switch with current-limiting opening of switch-contact
08/23/2000CN2393219Y Manual automatic resetting safety unit
08/22/2000CA2027009C Ct quick change assembly and force transmitting spacer
08/16/2000CN2392250Y 组合开关 Combination Switch
08/15/2000US6103986 Circuit breaker including bridging contact with magnetic structure
07/2000
07/13/2000WO2000041202A1 Current limiter and circuit breaker with current-limiting function
07/04/2000US6084489 Circuit breaker rotary contact assembly locking system
06/2000
06/29/2000DE19963515A1 Contact element for arc extinguishing chamber of electrical switch, has pivot mounting with associated actuator.
06/28/2000EP1014415A1 Circuit breaker
06/27/2000CA2158966C Blade suspension assembly for a circuit breaker
05/2000
05/30/2000US6069544 Circuit breaker operating mechanism having a collapsible contact arm linkage assembly
05/24/2000CN2379906Y 安全开关 Safety switch
05/17/2000EP1000431A1 Rotary contact assembly for high ampere-rated circuit breakers
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