Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
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01/17/1990 | EP0350829A2 Selective protective device against short-circuit currents |
01/17/1990 | EP0350826A2 Delaying device |
01/17/1990 | EP0350824A2 Selective overcurrent protection device |
01/17/1990 | EP0350736A2 Linked circuit breakers |
01/16/1990 | US4894747 Side plate tapered twist tab fastening device for fastening side plates to the base |
01/16/1990 | US4894632 Molded case circuit breaker operating mechanism fold-down arrangement |
01/16/1990 | US4894631 Molded case circuit breaker actuator-accessory unit |
01/11/1990 | DE3823101A1 Redundant tripping device |
01/10/1990 | EP0350441A1 Circuit breaker for a distribution panel and method of operating it |
01/10/1990 | EP0349930A2 Switch with pre-alarm means |
01/10/1990 | EP0349929A2 Switch with pre-alarm means |
01/09/1990 | US4893101 Resettable ground fault circuit interrupter |
01/09/1990 | US4891994 Linear electromechanical actuator |
01/03/1990 | CN1006342B Combined trip unit and accessory module for electronic trip circuit breaker |
01/02/1990 | US4891621 Ambient compensator for thermal overload relay |
01/02/1990 | US4891618 Laminated copper assembly |
01/02/1990 | US4891617 Rubber stops in outside poles |
01/02/1990 | CA1264175A1 Magnetically latching and current sensitive automatically unlatching switch assembly |
12/27/1989 | EP0347787A2 Protective circuit breaker for an overload current and short circuit |
12/27/1989 | CN2050217U Organic compound temp.-limitation protector |
12/26/1989 | US4890081 CT quick change assembly |
12/19/1989 | US4888570 Circuit breaker |
12/14/1989 | DE3448241C2 High-voltage, high-power (HH) fuse |
12/13/1989 | EP0346249A1 Low-voltage current-limiting circuit breaker with a sealed arc chamber |
12/13/1989 | EP0345412A2 Remotely controllable circuit breaker with improved arc drive structure |
12/13/1989 | EP0345411A2 Remotely controllable circuit breaker |
12/12/1989 | US4887055 Modular option deck assembly |
12/05/1989 | US4885558 Circuit breaker |
11/29/1989 | EP0343390A2 Motor starter with protection against short-circuit |
11/28/1989 | US4884164 Molded case electronic circuit interrupter |
11/28/1989 | US4884049 Circuit breaker overcurrent tripping device |
11/28/1989 | US4884048 Molded case circuit breaker current transformer assembly |
11/28/1989 | US4884047 High rating multipole circuit breaker formed by two adjoined molded cases |
11/21/1989 | US4882557 Multipole circuit breaker system with differential pole operation |
11/21/1989 | US4882556 Multi-pole circuit interrupter |
11/21/1989 | CA1263133A1 Circuit breaker with adjustable magnetic trip unit |
11/21/1989 | CA1263132A1 Electromagnetic switching apparatus with interchangeable switches |
11/15/1989 | EP0342133A1 Operating mechanism for a miniature circuit breaker having a contact-welding indicator |
11/09/1989 | DE3820113C1 Additional switch for surface mounting on a line protection circuit breaker |
11/08/1989 | EP0340700A1 Casing for a series-switching apparatus |
11/07/1989 | US4879535 Remotely controllable circuit breaker |
11/02/1989 | EP0339131A2 Electric switch with counteracting electro-dynamic forces |
11/01/1989 | CN1036862A Operating mechanism of an auxiliary trip unit for modular circuit breaker |
10/31/1989 | US4878038 Circuit protection device |
10/31/1989 | US4877928 Release mechanism for a high speed circuit breaker |
10/25/1989 | EP0338930A1 Circuit breakers or differential circuit breakers |
10/25/1989 | EP0338868A1 Modular electrical protection or control apparatus |
10/25/1989 | EP0338250A2 Multiphase circuit breaker |
10/25/1989 | CN1036660A Auxiliary control and indicating switch for standard multi-circuit breaker |
10/24/1989 | US4876521 Tripping coil with flux shifting coil and booster coil |
10/24/1989 | US4876493 Motor controlling switch device |
10/18/1989 | EP0337900A1 High sensitivity electromagnetic tripper |
10/12/1989 | EP0298092A4 Circuit breaker trip solenoid assembly. |
10/11/1989 | CN1036292A Molded case circuit breaker with viewing window and sliding barrier |
10/04/1989 | EP0335774A1 Tripping magnet for a circuit breaker |
10/03/1989 | CA1262184A1 Load control apparatus |
10/03/1989 | CA1262162A1 Circuit breaker with visible trip indicator |
09/27/1989 | EP0333790A1 Release mechanism for protective switches |
09/26/1989 | US4870532 Electric circuit for operating trip circuit of a circuit breaker |
09/26/1989 | US4870531 Circuit breaker with removable display and keypad |
09/26/1989 | CA1261905A1 Circuit breaker |
09/26/1989 | CA1261455A1 Remote control circuit breaker |
09/20/1989 | EP0333650A1 Power transmission in an electromagnetic trip device of a fitted circuit breaker |
09/20/1989 | EP0332936A1 Switching device with coupling means |
09/19/1989 | US4868535 Miniaturized thermal contact breaker for printed circuit board |
09/19/1989 | US4868529 Circuit breaker armature latch with control leg |
09/06/1989 | EP0331586A1 Actuating mechanism of an auxiliary tripping block for a modular circuit breaker |
09/06/1989 | EP0331384A2 Circuit breaker |
09/05/1989 | US4864268 Pushbutton actuated overload protection switch |
09/05/1989 | US4864263 Molded case circuit breaker latch and operating mechanism assembly |
09/05/1989 | US4864261 Contactor device fo circuit breaker |
08/31/1989 | DE3903414A1 Switch combination consisting of a main switch and an auxiliary switch |
08/30/1989 | EP0330421A2 Switch mechanism |
08/29/1989 | US4862131 Trip crossbar translation to prevent bimetal overstressing in a circuit breaker |
08/29/1989 | US4862125 Electrical switching device with cover interlock |
08/22/1989 | US4860162 Molded case and cover arrangement for current limiting circuit interrupters |
08/22/1989 | US4860157 Molded case circuit breaker actuator-accessory module |
08/22/1989 | US4859979 Thermal relay |
08/16/1989 | EP0327894A1 Magnetic control drive |
08/09/1989 | EP0327502A1 Switch latch of a fitted installation switch |
08/09/1989 | EP0327460A1 Automatically opening electric switch, in particular a differential interrupter |
08/09/1989 | EP0327385A1 A mounting assembly for electrical device |
08/08/1989 | US4855698 Protective switching apparatus with remotely controlled opening and closing of the contacts |
08/02/1989 | EP0326449A1 Electromagnetic trip device with an adjustable trip level |
08/02/1989 | EP0326446A1 Auxiliary controlling and indicating switch for a modular multipole circuit breaker |
08/02/1989 | EP0325725A2 Low tension switch with catch lever |
07/26/1989 | EP0325501A1 Automatic switches, in particular differential switches and circuit breakers |
07/26/1989 | EP0325071A1 Protection device for electrical installations |
07/25/1989 | CA1257894A1 Circuit breaker with impact trip delay |
07/25/1989 | CA1257893A1 Circuit breaker with trip delay magnetic circuit |
07/25/1989 | CA1257892A1 High speed magnetic contact driver |
07/20/1989 | DE3800582A1 Enlarging the snap-action stroke of the overcurrent trip device |
07/18/1989 | US4849725 Multipolar circuit breaker |
07/18/1989 | US4849590 Electric switch with counteracting electro-electro-dynamic forces |
07/18/1989 | CA1257631A1 Miniature electrical circuit breaker with multiple moving contacts and thermomagnetic trip release |
07/11/1989 | CA1257314A1 Overload protective circuit breaker |
07/05/1989 | EP0323404A1 Release system in a built-in installation circuit breaker |
07/05/1989 | EP0322987A1 Electromagnetic switch |
07/05/1989 | EP0322986A1 Switch, in particular for use as automatic switch |
07/04/1989 | US4845594 Reclosing relay with nonvolatile memory of operations |