Patents
Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434)
11/2005
11/29/2005US6970059 Slot motor including legs engaging openings of circuit breaker housing and electrical switching apparatus employing the same
11/17/2005DE102004020854A1 Electronic circuit breaker, has two stationary silver contacts positioned against two movable silver contacts, and magnetic mechanism disposed between two stationary silver contacts
11/01/2005CA2196916C Operating mechanism of a circuit breaker with a locking system disengageable on a short circuit
10/2005
10/27/2005DE10343005B4 Schaltgerät sowie Verfahren zu dessen Herstellung Switching device as well as methods for its preparation
10/20/2005US20050231308 Movable contactor assembly of circuit breaker
10/12/2005CN1681064A Protector of circuit control
10/06/2005DE19963515B4 Kontaktteil einer Lichtbogenlöschkammer eines elektrischen Ausschalters Contact Part of an arc extinguishing chamber of an electrical breaker
10/06/2005DE19740422B4 Strombegrenzender Niederspannungs-Leistungsschalter Current-limiting low voltage circuit breakers
10/04/2005US6952149 Apparatus for interrupting a short circuit in a circuit breaker
09/2005
09/28/2005CN2729894Y Integrated circuit self-recovery protector for safety unit
09/28/2005CN1221003C Circuit protector
09/22/2005WO2005006375A3 Method and device for limiting the current in a liquid metal current limiter
09/15/2005DE4404706B4 Bewegliche Kontaktgebervorrichtung in einem Schutzschalter Movable contactor device in a circuit breaker
09/01/2005DE102004051184A1 Kontaktvorrichtung eines Schutzschalters vom Repulsionstyp Contact device of a circuit breaker from Repulsionstyp
08/2005
08/25/2005US20050184837 Contactor device of circuit breaker
08/25/2005DE4337344B4 Strombegrenzendes Kontaktsystem für Leistungsschalter Current-limiting contact system for circuit breakers
08/24/2005CN1659670A Overvoltage protection device
08/24/2005CN1658355A Contactor device of circuit breaker
08/19/2005CA2497490A1 Circuit breaker with a visual indication of a trip
08/17/2005CN2718767Y Open-circuit protector for main distributing frame integrated circuit protecting unit
08/17/2005CN2718766Y Open-circuit protector for main distributing frame integrated circuit protecting unit
08/11/2005US20050174716 Overvoltage protection device
08/10/2005CN1214434C Displaceable contact having low electrical resistance
08/02/2005US6924445 Low-voltage circuit breaker
07/2005
07/19/2005US6919785 Pressure sensitive trip mechanism for a rotary breaker
07/14/2005DE10358828A1 Elektrodynamisch kippendes Kontaktsystem für Leistungsschalter Dynamic toppling electric contact system for circuit breakers
06/2005
06/30/2005WO2005059941A1 Electrodynamically tilting contact system for power circuit breakers
06/16/2005US20050128033 Slot motor including legs engaging openings of circuit breaker housing and electrical switching apparatus employing the same
06/15/2005EP1542254A2 Slot motor including legs engaging openings of circuit breaker housing and electrical switching apparatus employing the same
06/11/2005CA2490035A1 Slot motor including legs engaging openings of circuit breaker housing and electrical switching apparatus employing the same
06/08/2005CN2704105Y Automatic protective relay for automobile circuit short
05/2005
05/19/2005DE10343005A1 Verfahren zur Erhöhung der Stromtragfähigkeit und zur Beschleunigung des dynamischen Kontaktöffnens von Leistungsschaltern und zugehöriges Schaltgerät A method of increasing the current carrying capacity and to speed up the dynamic contact opening of circuit breakers and associated switching device
05/11/2005CN2699534Y Britain standard overcurrent protection plug
05/04/2005DE19540972B4 Strombegrenzendes Kontaktsystem mit Doppeltunterbrechung für Niederspannungs-Schutzschalter Current-limiting contact system with double-interruption for low-voltage circuit breakers
05/04/2005CN2697813Y Double-way overcurrent protective switch
04/2005
04/27/2005CN1199216C Current limiter and circuit breaker with current-limiting function
04/19/2005US6880226 Method for limiting movement in electrical contactors
04/14/2005WO2005034162A1 Method for increasing current load capacity and for accelerating dynamic contact opening of power switches and associated switching device
04/07/2005WO2005031779A1 Drivetrain for at least one moving contact on an electrical switch and current-limiting electrical switch with a drivetrain
04/06/2005CN1604261A Automatic change-over safety switch capable of preventing current overloading
03/2005
03/31/2005WO2005029526A1 Electrical switch having latching surfaces that can be pivoted under the influence of electrodynamic force
03/22/2005US6870112 Low-voltage circuit breaker
03/16/2005CN2686150Y Automatic power-off switching safety plug when current overloading
03/16/2005CN2686082Y Current overload protective switch
03/16/2005CN1596455A Low-voltage circuit breaker
03/16/2005CN1596454A Low-voltage circuit breaker
03/09/2005EP1513178A2 Contact arrangement for current limiting circuit breaker
03/09/2005EP1334504B1 Contact arrangement for current-limiting protective circuit breakers
03/09/2005EP1334503B1 Contact arrangement for current-limiting protective circuit breakers
02/2005
02/23/2005EP1508150A1 Overvoltage protection device
02/23/2005CN2681397Y Socket structure with automatic disaster prevention
02/23/2005CN1190816C Limiting breaker including auxiliary energy storage component
02/09/2005CN2678116Y Safety switch with automatic switchover for preventing current overload
02/03/2005DE10332358A1 Kontaktsystem mit Magnetauslöser Contact system with magnetic release
01/2005
01/20/2005WO2005006375A2 Method and device for limiting the current in a liquid metal current limiter
01/20/2005WO2005006373A1 Method and device for current limitation with an automatic current limiter
01/19/2005EP1498926A2 Contact system with magnetic trip device
01/06/2005US20050001700 Self-contained breaker reset system and method
01/06/2005US20050000785 Low-voltage circuit breaker
01/05/2005DE20313872U1 Kontaktanordnung für strombegrenzende Schutzschalter Contact arrangement for current limiting circuit breaker
12/2004
12/30/2004US20040262137 Low-voltage circuit breaker
12/23/2004DE20312624U1 Circuit breaker with contact apparatus has switch part and its insulation with latching arrangement for enabling insulation to be pushed onto switch part and for locking them together
12/14/2004US6831536 Circuit breaker slot motor having a stepped out portion
12/02/2004US20040239458 Pressure sensitive trip mechanism for circuit breakers
11/2004
11/24/2004CN1177348C Safety protection switch for preventing over-current
11/18/2004US20040227603 Apparatus for interrupting a short circuit in a circuit breaker
11/16/2004US6819205 Current limiting low-voltage power circuit breaker
11/03/2004CN2653686Y Protective switch
10/2004
10/20/2004EP0934596B1 Circuit breakers with ptc (positive temperature coefficient resistivity) elements
10/13/2004CN2648587Y Vehicle circuit overload protective switch
10/13/2004CN1171268C Circuit breaker with automatic catch to prevent rebound of blow open contact arm
10/12/2004US6803535 Circuit breaker with a visual indication of a trip
10/06/2004CN2646859Y Double-circuit switch having overload protective device
10/06/2004CN2646858Y Modularized switching key for non-fuse switch
10/06/2004CN2646848Y Push-rod type double safety special-purpose switch
09/2004
09/30/2004DE102004011318A1 Elektrisches Schaltgerät Electrical switching apparatus
09/22/2004CN2643472Y Overload protector for low-ampere non-fuse switch
09/22/2004CN2643471Y Safety switch having overload protector
09/22/2004CN1168114C Circuit breaker
09/15/2004CN2641810Y 安全开关 Safety switch
08/2004
08/25/2004CN1163933C Circuit breaker
08/04/2004EP1442467A1 Low-voltage circuit breaker
08/04/2004EP1442466A1 Low-voltage circuit breaker
07/2004
07/29/2004DE10139565B4 Strombegrenzungseinrichtung mit Flüssigmetall Current-limiting device with liquid metal
07/01/2004DE10344318B3 Locking mechanism for electrical switch, has linkage and pawl holding switch in circuit closed position and electrodynamic force may open switch if excessive current flows
06/2004
06/02/2004CN1152404C Safety switch of push-pressing type
06/02/2004CN1152403C Cyclic button switch with over-load protection function
05/2004
05/19/2004EP1420432A2 Contact system for a low voltage switch
05/12/2004EP1210719B1 Circuit interrupter with a trip mechanism having a biased latch
05/06/2004EP1415315A1 Current-limiting device with liquid metal
04/2004
04/28/2004EP1412959A1 Circuit breaker for low-voltage electric circuit
04/14/2004CN2612056Y Overcurrent protector
04/08/2004US20040065531 Blade crossbar
03/2004
03/25/2004US20040056744 Current limiting low-voltage power circuit breaker
03/24/2004CN1484846A 自动限流断路器 Automatic current limiting circuit breaker
03/18/2004DE10219022B3 Kontaktanordnung für strombegrenzende Schutzschalter Contact arrangement for current limiting circuit breaker
03/03/2004EP1196936B1 Displaceable contact having low electrical resistance
02/2004
02/26/2004DE10252741B3 Contact system for low voltage power switch, has switch piece floating bearing provided by bearing pin located in elongate opening for rotation of switch piece upon abutting stop provided by switch housing
02/19/2004DE10164517B4 Strombegrenzender Niederspannungs-Leistungsschalter Current-limiting low voltage circuit breakers
02/18/2004EP1218914B1 Molded case circuit breaker with current flow indicating handle mechanism
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