Patents for H01H 73 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism (6,696) |
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05/06/1998 | CN2280995Y Fork-chuck-pulling type operation mechanism of plastic-casing circuit breaker |
05/06/1998 | CN2280994Y Self-detection device for pressure-sensitive element of power supply lightning protector |
04/29/1998 | EP0691031B1 Double break circuit breaker having improved secondary section |
04/28/1998 | US5744772 Molded case circuit breaker with arc suppressant features including magnetically permeable arc horn mounted on the contact arm |
04/23/1998 | DE19643643A1 Protective circuit breaker with arc quenching chamber and deioniser |
04/21/1998 | US5742219 Switchable circuit breaker |
04/15/1998 | CN1038079C 断路器 Breaker |
04/08/1998 | CN2278271Y Circuit breaker with mechanical interlocking protector |
04/08/1998 | CN2278266Y Burn-resistant contact breaker for three-phase motor |
04/01/1998 | EP0707614B1 Polymeric material for low voltage switchgear |
03/25/1998 | EP0750788B1 Current-limiting switch |
03/18/1998 | CN2276666Y Fixed both ends abnormal shape connection board |
03/18/1998 | CN1037794C A circuit breaker |
03/12/1998 | WO1998010456A1 Overcurrent circuit breaker |
03/12/1998 | WO1998010455A1 Circuit breaker and method of manufacturing the same |
03/12/1998 | WO1998010451A1 Low-voltage circuit breaker with a drive device |
03/12/1998 | DE19647777A1 Overcurrent protection switch with thermal release |
03/12/1998 | DE19637678A1 Niederspannungs-Leistungsschalter mit einer Antriebsvorrichtung Low-voltage circuit breaker with a drive device |
03/10/1998 | US5726846 Trip device comprising at least one current transformer |
03/05/1998 | WO1998009307A1 Mobile switching contact arrangement with contact force springs |
03/05/1998 | WO1998009306A1 Mobile switching device with a support accommodating contact levers |
03/04/1998 | EP0746864A4 Solid state circuit breaker |
03/04/1998 | CN1175072A Breaker |
02/26/1998 | WO1998008240A1 Movable contact arrangement for a low-voltage circuit breaker with a pivot bearing |
02/26/1998 | DE19635366A1 Bewegbare Kontaktanordnung für einen Niederspannungs-Leistungsschalter mit einem Schwenklager Movable contact arrangement for a low-voltage circuit breaker with a pivot bearing |
02/19/1998 | DE19632726A1 Electrical circuit breaker mountable on lower part of low-voltage/high-power fuse |
02/18/1998 | CN1173728A Reversing spring contact switching mechanism and thermal overload relay |
02/12/1998 | DE19732882A1 Modified fault current triple-pole circuit-breaker |
02/11/1998 | CN2274374Y Electric-lock controlled safety automatic air-switch |
02/11/1998 | CN1173033A Circuit breaker |
02/11/1998 | CN1037382C Circuit breaker mechanism |
01/21/1998 | EP0820084A2 Operating device for circuit breakers |
01/15/1998 | WO1998001883A1 Electrical circuit breakers |
01/15/1998 | DE19729174A1 Circuit breaker e.g. cut=out switch, safety cut=out, or fault-current circuit-breaker switch for LV communications network |
01/14/1998 | EP0694204B1 Arc stack for a circuit breaker |
01/14/1998 | CN1170225A 电路断路器 Circuit breaker |
12/31/1997 | CN1036881C Trip interlock structure |
12/24/1997 | CN1036812C Electromagnetic switching mechanism for electrical safety switches |
12/16/1997 | US5699222 Apparatus and method for programming and reviewing a plurality of parameters of electrical switching device |
12/04/1997 | WO1997045852A1 Fast tripping electrical switching device |
12/03/1997 | CN2269633Y Two function high voltage ac vacuum switch |
12/02/1997 | US5694106 Safety switch with overload protection circuit |
11/26/1997 | EP0809270A2 Reversing spring contact switching mechanism and thermal overload relay |
11/20/1997 | WO1997043775A1 Circuit breaker for low tension with connecting bars |
11/20/1997 | DE19643607A1 LV power switch with contact system and connection rails |
11/12/1997 | EP0806781A1 A circuit for the protected supply of an electrical load |
11/12/1997 | CN1164751A Alarm device of circuit breaker |
11/05/1997 | EP0804800A2 Device for forcible separation of main supply lines in switching devices |
11/05/1997 | CN1164117A Circuit breaker and manufacturing method therefor |
11/05/1997 | CN1164114A Multipolar circuit breaker |
10/22/1997 | EP0756752B1 Low voltage power switch with a switching chamber |
10/21/1997 | US5680081 For passing current during a normal condition |
10/15/1997 | CN2264972Y Built-in low-voltage breaker |
10/01/1997 | EP0797834A1 Interface connection for a circuit breaker plug-in trip unit |
10/01/1997 | EP0656148B1 Circuit breaker with pivoting control buttons |
10/01/1997 | CN1161102A Operation of residual current apparatus |
09/12/1997 | WO1997023887A3 Thermal triggering system |
09/10/1997 | CN2262295Y Small circuit breaker |
09/03/1997 | CN2261674Y Multifunctional weak current quick action fusing relay protector |
09/03/1997 | CN2261673Y Insulation tube for falling safety switch |
08/19/1997 | CA2119211C Instrument switch having integrated overcurrent protection |
08/07/1997 | WO1997028546A1 Circuit breaker |
08/07/1997 | WO1997018571A3 Device for forcible separation of main supply lines in switching devices |
08/07/1997 | EP0804800A3 Device for forcible separation of main supply lines in switching devices |
08/06/1997 | EP0788128A2 Circuit breaker and manufacturing method therefor |
08/06/1997 | CN1156517A Electrically controlled tripping mechanism |
07/31/1997 | WO1997027602A1 Electrical switching device |
07/30/1997 | CN1155747A Multifunctional quick-action fusing delay protector with weak current |
07/30/1997 | CN1155746A Molded-case multicircuit breakers |
07/24/1997 | DE19602118A1 Elektrisches Schaltgerät Electrical switching apparatus |
07/22/1997 | US5650907 Circuit breaker |
07/03/1997 | WO1997023887A2 Thermal triggering system |
07/02/1997 | EP0781453A1 Arc-resistant shield for protecting a movable contact carrier of a circuit breaker |
07/02/1997 | CN2257401Y Automatic fuse tongs for double fast-breaking high-voltage falling type switch |
06/26/1997 | DE19548479A1 Thermisches Auslösesystem Thermal release system |
06/25/1997 | CN1035280C 缓冲机构 Buffering mechanism |
06/18/1997 | CN1152183A Circuit breaking device |
06/11/1997 | EP0777906A1 Circuit breaker arrangement for protection against electrical arcs |
06/03/1997 | US5635886 Cutoff structure for circuit breaker |
06/03/1997 | US5634554 Interface connection for a circuit breaker plug-in trip unit |
05/27/1997 | US5633618 Fuseless plug with safety circuit breaker |
05/22/1997 | WO1997018571A2 Device for forcible separation of main supply lines in switching devices |
05/22/1997 | DE19542690A1 Vorrichtung zum zwangsweisen Trennen von Netzleitungen bei Schaltgeräten Means for forcibly disconnecting power lines for switching devices |
05/21/1997 | EP0774822A1 Apparatus and method for programming and reviewing a plurality of parameters of an electrical switching device |
05/15/1997 | WO1997017713A1 A display unit for the tripping device |
05/14/1997 | CN1149752A Gravity power-off household current protector |
05/07/1997 | DE19540972A1 Current-limiting contact system for LV circuit-breaker |
04/23/1997 | EP0769199A1 Operation of residual current devices |
04/23/1997 | EP0769198A1 Electrically controlled tripping mechanism |
04/23/1997 | CN2253050Y Current over-load protector with improved structure |
04/16/1997 | CN1147707A Assembly device of screw/nut type and electrical terminal, notably for circuit breaker, using this device |
04/16/1997 | CN1147683A Circuit breaker |
04/16/1997 | CN1034616C Switch structure for circuit breaker |
04/09/1997 | EP0660965B1 Push-button actuated safety switch |
04/09/1997 | EP0593733B1 Automatic miniature circuit breaker with z-axis assemblable contact assembly |
04/09/1997 | CN2251790Y Slide type reversing swtich |
04/09/1997 | CN1147140A Circuit breaker |
04/08/1997 | US5618858 Polymer material |
04/02/1997 | CN1146824A Secondary disconnect assembly for high ampere-circuit breaker |
03/26/1997 | EP0764961A1 Remote control residential circuit breaker |