Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434) |
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02/18/2004 | CN1476623A Current limiting low-voltage power circuit breaker |
02/12/2004 | DE10239641B3 Simplified contact system for low voltage circuit breaker, comprises compression spring with bent end, forming center of pressure and bearing point against contact arm |
02/05/2004 | DE10124985B4 Auslösevorrichtung eines Schutzschalters und Schutzschaltersystem Release mechanism of a circuit breaker and circuit breaker system |
02/05/2004 | DE10013161B4 Kombinierte Auslösevorrichtung für einen Leistungsschalter Combined trip device for a circuit breaker |
01/15/2004 | DE10230085A1 Elektrischer Leistungsschalter mit einer eine Stromschleife aufweisenden Schaltkontaktanordnung The electrical circuit breaker with a current loop having switching contact arrangement |
01/02/2004 | EP1376640A2 Electrical circuit breaker with a switch contact arrangement with a current loop |
01/01/2004 | US20040001297 Electrical power breaker with a switching contact arrangement having a current loop |
12/31/2003 | CN2596540Y Push type overload protective switch capable of external identifying open and close state |
12/16/2003 | US6665157 Apparatus for interrupting an electrical circuit |
12/11/2003 | WO2003102991A1 Overvoltage protection device |
10/28/2003 | US6639168 Energy absorbing contact arm stop |
10/21/2003 | US6636133 PTC terminals |
10/08/2003 | CN2579033Y Plug |
09/30/2003 | US6628185 Blade assembly for a circuit breaker |
09/24/2003 | EP1346385A1 Automatic current limiting circuit breaker |
09/24/2003 | CN2575838Y Information electric device radiating apparatus |
09/03/2003 | CN2570956Y Push type switch |
08/27/2003 | CN2569332Y High sensitivity swinging type overflow protective switch |
08/13/2003 | EP1334504A1 Contact arrangement for current-limiting protective circuit breakers |
08/13/2003 | EP1334503A1 Contact arrangement for current-limiting protective circuit breakers |
08/06/2003 | CN2565142Y Linkage structure for safety switch |
08/06/2003 | CN2565141Y Pressing type overload protection switch |
07/23/2003 | EP1328956A1 Current limiting low-voltage power circuit breaker |
07/23/2003 | CN2562345Y Double safety switch structure |
07/08/2003 | US6590172 Circuit breaker mechanism for a rotary contact system |
06/26/2003 | WO2003052784A1 Current-limiting low-voltage circuit breaker |
06/25/2003 | CN1426081A Improvement of knife shape switch unit in circuit breaker |
06/19/2003 | US20030112104 Pressure sensitive trip mechanism for a rotary breaker |
06/18/2003 | CN2556782Y Overcurrent protective switch |
06/18/2003 | CN1111888C Molded case circuit breaker and moving conductor assembly therefor |
06/18/2003 | CN1111887C Circuit breaker with moulded casing |
06/04/2003 | CN1421889A 正温度系数端子 Positive temperature coefficient terminal |
06/04/2003 | CN1110830C Molded outer case circuit breaker |
05/15/2003 | WO2003041106A1 Low-voltage circuit breaker |
05/15/2003 | WO2003041105A1 Low-voltage circuit breaker |
05/02/2003 | EP0916151B1 Current-limiting circuit-breaker |
04/17/2003 | DE10144105C1 Schaltkontaktanordnung mit einer in Schließrichtung und in Öffnungsrichtung wirkenden Federkraft Switching contact arrangement with a force acting in the closing direction and in the direction of opening spring force |
04/16/2003 | EP1302960A2 Contact arrangement for current limiting circuit breaker |
04/16/2003 | CN2545698Y Switchable miniature overload protection switch |
04/01/2003 | US6542057 Pressure sensitive trip mechanism for a rotary breaker |
03/20/2003 | US20030052762 PTC terminals |
03/20/2003 | US20030052758 Blade assembly for a circuit breaker |
03/19/2003 | EP1294005A1 Improvement in blade assembly for a circuit breaker |
03/05/2003 | EP1288990A2 Switching contact arrangement with a spring force acting in the closing direction and in the opening direction |
02/20/2003 | WO2003015115A1 Current-limiting device with liquid metal |
02/13/2003 | WO2003012812A1 Circuit breaker for low-voltage electric circuit |
02/12/2003 | CN2535920Y Overcurrent protective switch |
02/05/2003 | CN1395269A Safety switch of push-pressing type |
01/29/2003 | CN2533570Y Push switch |
01/22/2003 | CN1392578A Safety protection switch for preventing over-current |
01/02/2003 | US20030000814 Method and apparatus for limiting movement in electrical contactors |
01/01/2003 | CN2529378Y Hand-reset type current overload protector |
01/01/2003 | CN1388548A Release device of protective switch and protective switch system |
01/01/2003 | CN1388546A Moulded box-type circuit breaker |
12/25/2002 | CN1387211A Solderless contact system for electromagnetic contactor |
12/19/2002 | DE10150550C1 Contact device for current-limiting protection switch has electrodynamically-operated rotary contact bridge with coupled contact spring pairs preventing rebound |
12/18/2002 | EP1266389A1 Combined tripping device for a circuit-breaker |
12/17/2002 | CA2105918C Solid copper bus shunt through ground fault circuit breaker electronic |
12/12/2002 | DE10124985A1 Auslösevorrichtung eines Schutzschalters und Schutzschaltersystem Release mechanism of a circuit breaker and circuit breaker system |
12/05/2002 | DE10222668A1 Molded case circuit breaker has rotary contact shoe positioned diagonally between two parallel linear fixed contact shoes to form Z-shaped conducting path |
12/03/2002 | US6489867 Separating pins for the shunt wires of a circuit breaker |
11/28/2002 | US20020175785 Molded case circuit breaker |
11/27/2002 | EP1261009A2 Circuit breaker tripping device and circuit breaker system |
11/27/2002 | EP1261008A1 Enclosed magnetothermal electric circuit breaker |
11/27/2002 | CN2523013Y Switch with Protection circuit |
11/12/2002 | US6480080 Molded case circuit breaker |
11/12/2002 | US6479780 Circuit breaker for disconnecting an electrical apparatus from electrical network |
11/06/2002 | CN2519996Y Short circuit proof press-button switch |
10/23/2002 | CN2518211Y Switch structure able to regulate resilience |
10/17/2002 | DE10116894A1 Current limiting contact device for mechanically-operated electric switch, uses contact elements loosely packed together in housing with assisted contact pressure between them |
10/09/2002 | CN1092392C Electromagnetic switching device |
09/25/2002 | CN1371525A Circuit breaker with two piece bell accessory lever with overtravel |
09/24/2002 | US6456176 Circuit breaker |
09/24/2002 | CA2257594C Electrical circuit breakers |
09/19/2002 | US20020130744 Tripping device for a circuit breaker |
09/18/2002 | EP1241699A1 Weld free contact system for electromagnetic contactors |
09/17/2002 | US6452470 Circuit interrupter with improved operating mechanism securement |
09/11/2002 | CN2510988Y Short-circuit-proof press-button switch |
08/28/2002 | CN1366698A Trip override for rotary breaker |
08/21/2002 | CN2507129Y 自动保护电开关 Automatic Protection Switch |
08/20/2002 | US6437960 Current limiting circuit breaker with positive temperature coefficient resistivity (PTC) element and insertable insulating object |
08/20/2002 | US6437670 Magnetic release system for a circuit breaker |
08/08/2002 | DE10137506C1 Schaltkontaktanordnung für einen elektrischen Schalter Switching contact arrangement for an electrical switch |
08/08/2002 | DE10104646A1 Strombegrenzende Kontaktanordnung mit Schlitzmotor Current-limiting contact arrangement with slot motor |
08/06/2002 | US6429759 Split and angled contacts |
07/31/2002 | CN1361917A Displaceable contact having low electrical resistance |
07/18/2002 | US20020092829 Current limiting circuit breaker |
07/11/2002 | WO2002054431A1 Automatic current limiting circuit breaker |
07/10/2002 | EP0976138B1 Electromagnetic switching device |
07/10/2002 | CN1087481C Apparatus and method for controlling electric motor |
07/03/2002 | EP1218914A1 Molded case circuit breaker with current flow indicating handle mechanism |
07/03/2002 | EP1218913A1 Circuit breaker with two piece bell accessory lever with overtravel |
07/02/2002 | US6414256 Current limiting circuit breaker |
06/12/2002 | CN2495025Y Power-off reset overload protector |
06/11/2002 | US6403909 Trip override for rotary breaker |
06/06/2002 | DE10058419C1 Current-limiting switch has conductor loop provided with switching current providing electrodynamic forces assisting opening movement of contact device upon overload detection |
06/05/2002 | EP1210719A1 Circuit interrupter with a trip mechanism having a biased latch |
05/29/2002 | EP1208576A2 Trip override for a rotary breaker |
05/23/2002 | WO2002041347A1 Contact arrangement for current-limiting protective circuit breakers |
05/23/2002 | WO2002041346A1 Contact arrangement for current-limiting protective circuit breakers |