| Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
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| 04/10/1991 | EP0421891A1 Static quick cut out with galvanic disconnection |
| 04/10/1991 | EP0421691A2 Circuit breaker with moving magnetic core for low current magnetic trip |
| 04/10/1991 | CN2074937U Explosion insulating eletricity leakage automatic switch for industrial use |
| 04/09/1991 | US5006826 Trip device for an electrical switch and an electrical switch with this trip device |
| 04/03/1991 | EP0420517A2 Circuit breaker with low current magnetic trip |
| 04/02/1991 | US5005104 Clip-connected terminal conductor assembly |
| 04/02/1991 | US5004875 Stored energy contact operating mechanism |
| 04/02/1991 | CA1282446C Molded case circuit breaker with combined position indicator and handle barrier |
| 04/02/1991 | CA1282444C Molded case circuit breaker with an improved operating mechanismhaving a pivot-transfer trip-free linkage |
| 03/30/1991 | WO1991005358A1 Energy management accessory for circuit breaker |
| 03/27/1991 | EP0419276A2 Adjustable circuit breaker with draw out interlock |
| 03/26/1991 | US5003139 Circuit breaker and auxiliary device therefor |
| 03/26/1991 | CA1282101C Circuit interrupter with integral stop means for contact arm |
| 03/23/1991 | CA2025943A1 Adjustable circuit breaker with draw out interlock |
| 03/21/1991 | DE3927610C1 Circuit breaker with electronic monitoring circuit - has rocker switch with three positions, on, off and latch-in |
| 03/20/1991 | EP0418152A1 Modular, especially electrical, device with a protective cover for reference marks |
| 03/20/1991 | EP0417218A1 A line terminal and arc stack for a circuit breaker |
| 03/20/1991 | EP0314683A4 Circuit protector |
| 03/19/1991 | US5001446 Shape memory alloy and electric path protective device utilizing the alloy |
| 03/19/1991 | US5001315 Circuit breaker auxiliary device snap-on package and method of assembling same |
| 03/14/1991 | CA2024645A1 Ultra high-speed circuit breaker with galvanic isolation |
| 03/05/1991 | US4998081 Power interrupter with force-sensitive contact latch |
| 03/01/1991 | WO1991003828A1 Processor controlled circuit breaker trip system having an intelligent rating plug |
| 02/28/1991 | CA2013938A1 Molded case circuit breaker with increased ampere rating |
| 02/26/1991 | US4996507 Circuit breaker |
| 02/26/1991 | CA1280794C Pushbutton with contact weld indicator by button retention |
| 02/21/1991 | DE4022612A1 Overcurrent protection relay with excitation and load windings - wound on common core but in opposite senses so that overcurrent induces magnetic field overcoming excitation field |
| 02/14/1991 | DE3926644A1 Remote control switchgear with signalling of switching state - receives signals from control centre for synchronised operation of power switches and remove indication feedback switch |
| 02/13/1991 | EP0412953A2 Automatic cut-out switch |
| 02/13/1991 | EP0412401A2 High-speed circuit breaker |
| 02/13/1991 | CN1049243A Trip interlock design |
| 02/10/1991 | WO1991002369A1 Self-coordinated device for the control and protection of electrical equipement |
| 02/10/1991 | CA2037046A1 Self-coordinated device for the control and protection of electrical equipment |
| 02/06/1991 | EP0412023A1 Circuit breaker or modular switch equipped with an isolating module |
| 02/06/1991 | EP0411871A2 Trip interlock design |
| 02/05/1991 | US4991061 For mounting electrical components |
| 02/05/1991 | US4991042 Digital circuit interrupter with keypad data entry and display |
| 02/05/1991 | US4990882 Push-button actuated overload protection switch |
| 02/05/1991 | US4990875 Circuit breaker |
| 02/05/1991 | US4990873 Reverse switching means for motor operator |
| 02/05/1991 | CA2021699A1 Trip interlock design |
| 01/30/1991 | CN1011450B Kinematic tranmission system between the operating mechanism and poles of a moulded insulating case electrical circuit breaker |
| 01/29/1991 | WO1991002370A2 Miniature circuit breakers |
| 01/29/1991 | US4989118 Off-set terminal configuration for electrically coupling the load side of adjacent circuit breakers |
| 01/29/1991 | CA2065031A1 Miniature circuit breakers |
| 01/22/1991 | US4987512 Solid state circuit protector |
| 01/22/1991 | US4987395 Circuit breaker alarm-switch operating apparatus |
| 01/22/1991 | CA1279356C Operating mechanism for a low voltage electrical circuit-breaker |
| 01/16/1991 | EP0408466A2 Operating mechanism for an electric switch |
| 01/10/1991 | DE4017743A1 Rapid electromagnetic trip for low-voltage switchgear contacts - ensures positive tripping without rebound when overcurrent in coil augments force of spring opposing permanent magnet |
| 01/09/1991 | CN1048412A Method of forming compacts |
| 01/08/1991 | US4983939 Circuit breaker with adjustable low magnetic trip |
| 01/03/1991 | DE4016364A1 Load breaker switch with spring release latch - uses intermediate element inserted in closure path on movable contact |
| 01/03/1991 | DE3920822A1 Auxiliary switch for load breaker - has manual pivot lever allowing resetting and testing of auxiliary current circuit |
| 01/02/1991 | EP0405688A1 Supporting frame for a switch |
| 01/01/1991 | US4982174 Molded split case electromagnetic circuit breaker assembly |
| 01/01/1991 | US4982173 Rotatable trip test assembly for molded case circuit breakers |
| 12/31/1990 | CA2017867A1 Methods of making high performance compacts |
| 12/30/1990 | WO1991000605A1 Unitary breaker assembly for a circuit breaker |
| 12/30/1990 | CA2033996A1 Unitary breaker assembly for a circuit breaker |
| 12/26/1990 | CN1011001B Circuit breaker with electrical disconnect means |
| 12/25/1990 | US4980525 Linked circuit breakers having a handle tie bar (interlocking lever) |
| 12/19/1990 | EP0403358A1 Neutral and phase circuit breaker |
| 12/19/1990 | EP0403329A1 Circuit breaker with automatic tripping, particularly protective switch and fault-current protective switch |
| 12/19/1990 | EP0403216A2 Electromagnetic actuator arrangement |
| 12/19/1990 | CN1010903B Latch mechanism for fast-action circuit-breaker |
| 12/18/1990 | US4978816 Circuit breaker handle interlock arrangement |
| 12/14/1990 | CA2018965A1 Electromagnetic actuator arrangement |
| 12/13/1990 | WO1990015431A1 Switching mechanism for a line protective switch |
| 12/05/1990 | EP0400414A2 Automatic circuit breaker particularly automatic cut-out |
| 12/04/1990 | US4975673 Circuit breaker apparatus including trip display mechanism |
| 12/04/1990 | US4975667 Molded case circuit breaker with increased ampere rating |
| 12/04/1990 | US4975553 Line terminal and arc stack for a circuit breaker |
| 11/29/1990 | DE3917326A1 Schaltmechanismus fuer einen leitungsschutzschalter Switching mechanism for a circuit-protection switch |
| 11/28/1990 | EP0399282A2 An automatic magneto-thermal protection switch having a high breaking capacity |
| 11/27/1990 | US4973931 Tripping device for circuit breakers |
| 11/27/1990 | US4973929 Safety device for a switching appliance formed by assembling together several removable modular elements |
| 11/27/1990 | US4973928 Extender spring for increased magnetic trip settings |
| 11/27/1990 | US4973927 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker |
| 11/22/1990 | EP0398461A2 Circuit breaker with an actuating and a locking device for a moving contact |
| 11/21/1990 | CN2066198U Domestic current-limiting relay |
| 11/21/1990 | CN1047166A Circuit breaker with individual gap adjustment at high and low settings of magnetic trip |
| 11/21/1990 | CN1010527B Miniature electrical circuit breaker with multiple moving contacts and thermo magnetic trip release |
| 11/15/1990 | WO1990013903A1 Automatic cutout |
| 11/13/1990 | CA1276217C Quick-mount device for contactors |
| 11/07/1990 | EP0395943A2 Hand operated protective interrupter |
| 11/07/1990 | CN1046811A Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker |
| 11/06/1990 | US4969063 Circuit breaker with status indicating lights |
| 11/06/1990 | US4968863 Unitary breaker assembly for a circuit breaker |
| 11/06/1990 | US4968859 Circuit breaker with low voltage contact structure |
| 10/31/1990 | EP0395326A1 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker |
| 10/25/1990 | CA2013535A1 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker |
| 10/24/1990 | EP0394144A1 Auxiliary switch with manual test for modular circuit breaker |
| 10/24/1990 | EP0393566A1 Circuit breaker |
| 10/23/1990 | USRE33400 Circuit breaker |
| 10/23/1990 | US4965544 Molded case circuit breaker exhaust barrier |
| 10/23/1990 | US4965543 Magnetic trip device with wide tripping threshold setting range |
| 10/18/1990 | DE4010142A1 Magnetschalter mit verriegeltem zwangsbetrieb Magnetic switch with locked forced operation |
| 10/17/1990 | EP0392836A2 Circuit protector construction |
| 10/17/1990 | EP0392652A2 Circuit breaker with overload device |