| Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
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| 06/05/1990 | US4931757 Contactor and/or circuit breaker |
| 06/05/1990 | US4931602 Multipole circuit breaker |
| 05/31/1990 | DE3840064A1 Thermal relay having a switching rocker |
| 05/30/1990 | EP0370386A2 Low-tension circuit breaker with partitioned poles |
| 05/29/1990 | US4929920 Compact circuit breaker with an electronic trip unit |
| 05/29/1990 | US4929919 Twin unit circuit breaker with improved magnet structure |
| 05/23/1990 | EP0369899A1 Magnetic release device with a large capacity to adjust the release area |
| 05/23/1990 | EP0369807A2 A miniature circuit breaker |
| 05/23/1990 | EP0369111A1 Magnet system for rapid disconnection |
| 05/23/1990 | CN2057532U Mechanical type three-phase coupled switch |
| 05/22/1990 | US4928079 Circuit breaker auxiliary switch assembly |
| 05/17/1990 | WO1990005375A1 A multi-pole switch comprising a tripping module |
| 05/16/1990 | CN1042266A Safety device for a switching appliance formed by assembling together several removable modular elements |
| 05/16/1990 | CN1008026B Molded case circuit breaker with combined position indicator and handle barrier |
| 05/16/1990 | CN1008025B Interchangeable mechanism for molded case circuit breaker |
| 05/16/1990 | CA2001846A1 Magnetic trip device with wide tripping threshold setting range |
| 05/15/1990 | US4926286 Enclosed switchboard |
| 05/15/1990 | US4926282 Electric circuit breaking apparatus |
| 05/15/1990 | US4926157 Circuit breaker |
| 05/15/1990 | US4926148 Auxiliary switch retainer for circuit breakers and actuator member |
| 05/10/1990 | DE3840062C1 Thermal relay having bimetallic compensation |
| 05/09/1990 | EP0367102A2 Short circuit indicator |
| 05/09/1990 | CN1042026A Circuit breaker with low voltage contact structure |
| 05/09/1990 | CN1007945B Molded case circuit breaker with an improved contoured cradle |
| 05/02/1990 | EP0366519A1 Security device for a switching apparatus made by the assembly of several removable modular elements |
| 05/01/1990 | US4922370 Automatically resetting circuit protector |
| 05/01/1990 | US4922369 Circuit protector |
| 05/01/1990 | US4922220 Adjustable circuit breaker thermal trip unit |
| 05/01/1990 | US4922219 Circuit breaker |
| 05/01/1990 | CA1268508A1 Circuit breaker with electrical disconnect means |
| 04/25/1990 | EP0365274A2 Resettable ground fault circuit interrupter |
| 04/25/1990 | CN1041666A Laminated copper assembly |
| 04/24/1990 | US4920476 Electronic control for lighting panelboards |
| 04/24/1990 | CA1268199A1 Moulded case circuit breaker |
| 04/17/1990 | US4918566 Electronic control of solenoid operated circuit breakers |
| 04/17/1990 | US4918413 Clamp for captive tube in electromagnetic circuit breakers |
| 04/11/1990 | EP0362871A2 Remote-controlled circuit breaker |
| 04/11/1990 | EP0362846A2 Remote-controlled circuit breaker |
| 04/11/1990 | EP0362845A2 Remote-controlled circuit breaker |
| 04/10/1990 | US4916422 Apparatus for electrically operating a circuit breaker |
| 04/10/1990 | US4916421 Contact arrangement for a current limiting circuit breaker |
| 04/10/1990 | US4916420 Operating mechanism of a miniature electrical circuit breaker |
| 04/10/1990 | CA1267670A1 Circuit breaker with adjustable thermal trip unit |
| 04/05/1990 | DE3931108A1 Line protection switch - has spring biased rotary latch supporting movable with manual switch operating element |
| 04/05/1990 | DE3833128A1 Electromagnetic release, especially for line protection circuit breakers |
| 04/04/1990 | CN1041062A Electrical switching device with cover interlock |
| 04/04/1990 | CN1007469B Magnetic system for rapid interruption |
| 04/03/1990 | US4914414 Thermally responsive switch |
| 04/03/1990 | US4914409 Electric circuit breaker |
| 04/03/1990 | US4913503 Molded case circuit breaker actuator-accessory unit reset mechanism |
| 03/28/1990 | EP0360366A2 Moulded case for a low tension electrical power circuit breaker with reinforcement against overpressure |
| 03/27/1990 | US4912598 Heat dissipating electrical connector joining circuit breaker terminal and panel supply conductor |
| 03/27/1990 | US4912441 Drive mechanism for circuit breaker |
| 03/27/1990 | US4912439 Molded case circuit breaker auxiliary switch unit |
| 03/21/1990 | EP0359677A1 Device to attach a modular electrical apparatus onto a profile support rail |
| 03/21/1990 | EP0358644A1 Circuit breakers. |
| 03/14/1990 | EP0358482A2 Electrical switching device with cover interlock |
| 03/13/1990 | US4907342 Method of assembling a molded case circuit breaker current transformer assembly |
| 03/07/1990 | EP0357472A1 Electrical control and/or protection apparatuses, constituent parts thereof and assemblies composed of these parts |
| 03/07/1990 | CN2054206U Current limiter |
| 03/06/1990 | US4906958 Snap-on floating handle tie for multi-pole circuit breakers |
| 02/28/1990 | EP0355629A1 Circuit breaker armature latch with control leg |
| 02/28/1990 | CN1040114A Ct quick change assembly |
| 02/28/1990 | CN1040113A Circuit breaker trip bar interlock |
| 02/28/1990 | CN1040112A Crossbar assembly |
| 02/28/1990 | CN1040111A Modular option deck assembly |
| 02/28/1990 | CN1040110A Combination barrier and auxiliary ct board |
| 02/28/1990 | CN1040109A Bubber stops in outside poles |
| 02/27/1990 | US4904969 Electric circuit breaker |
| 02/27/1990 | CA1266291A1 Snap-in panel mounted circuit breaker |
| 02/22/1990 | DE3827648A1 Electrical automatic switch |
| 02/14/1990 | EP0354275A1 Circuit breakers and mounting frames therefor |
| 02/14/1990 | EP0354274A1 Circuit breaker mechanisms and circuit breakers |
| 02/14/1990 | CN1039678A Circuit breaker auxiliary switch assembly |
| 02/13/1990 | US4901219 For a load center distributing electrical power |
| 02/13/1990 | US4901046 Manually actuated on-off switch with electromagnetic release |
| 02/13/1990 | US4901045 Secondary circuit breaker for distribution transformers |
| 02/07/1990 | EP0354048A2 Circuit breaker trip bar interlock |
| 02/07/1990 | EP0353951A2 Combination barrier and auxiliary CT board |
| 02/07/1990 | EP0353950A2 Rubber stops in outside poles |
| 02/07/1990 | EP0353949A2 Modular option deck assembly |
| 02/07/1990 | EP0353948A2 Laminated copper assembly |
| 02/07/1990 | EP0353940A2 Crossbar assembly |
| 02/07/1990 | EP0353939A2 CT quick change method |
| 02/07/1990 | EP0353816A1 Shape memory alloy and electric path protective device utilizing the alloy |
| 02/06/1990 | US4899253 Molded case circuit breaker housing reinforcement |
| 02/06/1990 | US4899119 Circuit breaking apparatus with remote controlled opening and closing of its circuits |
| 02/01/1990 | DE3825498A1 Residual current device (fault current protective circuit breaker) |
| 02/01/1990 | DE3825497A1 Fault-current protection switch |
| 02/01/1990 | DE3825478A1 Electrical switching apparatus |
| 01/31/1990 | EP0352681A2 Pivoting lever |
| 01/31/1990 | EP0352679A2 Electrical switchgear |
| 01/30/1990 | US4897625 Remotely controllable circuit breaker |
| 01/30/1990 | US4897051 Flexible electric component leads |
| 01/25/1990 | WO1990000807A1 An electromagnetic actuator of the type of a relay |
| 01/25/1990 | WO1990000805A1 Circuit breaker auxiliary device snap-on package |
| 01/25/1990 | WO1990000344A1 Drive mechanism for circuit breaker |
| 01/25/1990 | DE3825117A1 Tripping device for electrical power-distribution switch |
| 01/24/1990 | EP0351724A2 Electric power circuit breaker |
| 01/24/1990 | EP0351674A1 An electromagnetic actuator of the type of a relay |