| Patents for H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current (5,042) |
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| 08/17/1982 | US4345226 Rotary switch with an automatic re-setting mechanism |
| 07/13/1982 | CA1127747A1 Wireless emergency power interrupting system |
| 06/22/1982 | CA1126383A1 Wireless emergency power interrupting system for multibranch circuits |
| 05/11/1982 | US4329669 Circuit breaker with auxiliary tripping unit |
| 05/11/1982 | US4329668 Leakage current circuit breaker responsive to direct-current leakage currents of both polarities |
| 04/07/1982 | EP0048793A2 Post power failure starting suppressor in electrical appliances |
| 03/23/1982 | US4321573 Tripping device for a thermal protection relay |
| 03/03/1982 | EP0046545A1 Electrical installation device |
| 02/23/1982 | CA1118824A1 Shunt trip mechanism for a circuit interrupting device |
| 02/09/1982 | US4315233 Device for shifting a double-throw contact arrangement |
| 02/09/1982 | US4315231 High-speed circuit breaker |
| 02/03/1982 | EP0045001A1 Plug socket with fault-current protective switch |
| 02/03/1982 | EP0044999A1 Fault-current protective switch responding to fault currents with direct current components |
| 01/12/1982 | CA1116212A1 Ac-dc magnet coil assembly for low dropout ac contactors |
| 01/05/1982 | US4309681 Ground fault receptacle |
| 12/08/1981 | CA1114014A1 Combination circuit breaker-lightning arrestor |
| 11/17/1981 | US4301434 Undervoltage release reset and lockout apparatus |
| 10/27/1981 | US4297663 Circuit breaker accessories packaged in a standardized molded case |
| 10/13/1981 | US4295112 Residual current transformer |
| 09/30/1981 | EP0036417A1 Cut off device monitored by a computer. |
| 09/29/1981 | CA1109910A1 Circuit breaker with external accessory mounting means |
| 09/16/1981 | EP0035693A1 Switching mechanism for electrical installation switch gear |
| 09/08/1981 | US4288768 Electrical full protection circuit breaker |
| 09/01/1981 | US4287545 Differential transformer |
| 08/18/1981 | US4285022 Devices adapted to detect variations in magnetic flux notably circuit breakers |
| 08/12/1981 | EP0033671A2 Low-voltage multi-pole differential switch |
| 08/04/1981 | US4282500 Ground fault circuit interrupting device |
| 07/07/1981 | CA1104702A1 Ground fault protective device |
| 06/16/1981 | US4274068 Undervoltage protector for manual motor controller |
| 06/03/1981 | EP0006894B1 Protective circuit-breaker operated by leakage current |
| 04/21/1981 | US4263572 Shunt trip mechanism for a circuit interrupting device |
| 04/16/1981 | WO1981001092A1 Cut off device monitored by a computer |
| 02/17/1981 | CA1095958A1 Means connecting circuit breaker and auxiliary feature modules |
| 01/27/1981 | US4247840 Ground fault receptacle reversible conductors |
| 01/20/1981 | US4246558 Auxiliary feature modules for circuit breakers |
| 12/02/1980 | US4237435 Ground fault receptacle re-set guide assembly |
| 11/25/1980 | US4236128 Ground fault receptacle |
| 10/29/1980 | EP0017818A1 Earth fault circuit breaker with a checking device including a checking button |
| 10/29/1980 | EP0017814A1 Device to convert a reversing contact assembly |
| 10/29/1980 | EP0017813A1 Release mechanism for a thermal protection relay |
| 09/16/1980 | US4223289 AC-DC Magnet coil assembly for low dropout AC contactors |
| 09/16/1980 | US4223288 Manually operable and shunt controllable circuit breaker |
| 09/09/1980 | CA1085450A1 Voltage surge protector |
| 09/03/1980 | EP0014871A1 Fault-current protective switch coupled to a circuit breaker |
| 07/15/1980 | US4213165 Circuit breaker having an electronic fault sensing and trip initiating unit |
| 07/15/1980 | CA1081769A1 Electrical receptacle equipped with ground fault protection |
| 07/15/1980 | CA1081768A1 Ground fault receptacle with improved stationary contact mounting and backing |
| 07/15/1980 | CA1081767A1 Ground fault receptacle with unitary support of gfci module and switching mechanism |
| 07/08/1980 | US4211989 Circuit breaker bell alarm and lockout accessory apparatus |
| 06/24/1980 | US4209762 Ground fault receptacle reset button |
| 06/24/1980 | US4209760 Circuit breaker and accessory devices therefor |
| 06/03/1980 | US4206430 Bipolar protective switch |
| 05/06/1980 | CA1077163A1 Portable ground fault circuit interrupting device |
| 04/22/1980 | CA1076176A1 Toggle lever switching mechanism for an automatic switching apparatus including a low-voltage tripping device |
| 04/08/1980 | US4197567 Portable ground fault circuit interrupter |
| 04/08/1980 | CA1075291A1 Bipolar protective switch |
| 03/25/1980 | CA1074375A1 Circuit breaker with improved single coil actuator and undervoltage release mechanism |
| 03/19/1980 | EP0008989A1 Low voltage electric circuit breaker with auxiliary actuating units |
| 02/20/1980 | EP0008026A1 Electric full-protection circuit breaker |
| 02/19/1980 | CA1072155A1 Manual starter with low voltage release |
| 02/06/1980 | EP0007868A1 Improvements in devices equipped to detect magnetic flux variations, especially in circuit interruptors |
| 02/06/1980 | EP0007405A1 Fault-current protective switch and method of production of a magnet core |
| 01/23/1980 | EP0006903A1 Defect current protection swtich, reacting to double biased direct defect currents |
| 01/23/1980 | EP0006894A1 Protective circuit-breaker operated by leakage current. |
| 12/18/1979 | CA1068391A1 Circuit breaker with improved trip means having a high rating shunt trip |
| 11/20/1979 | US4175277 Voltage surge protector |
| 11/06/1979 | CA1065928A1 Circuit breaker with improved trip means |
| 10/23/1979 | US4172271 Fusible circuit interrupter with ground fault circuit protection |
| 09/25/1979 | CA1063221A1 Electric wall receptacle with ground fault protection |
| 09/25/1979 | CA1063220A1 Switch for electrical wall receptacle with ground fault protection |
| 09/18/1979 | US4168514 Combination circuit breaker-lightning arrestor |
| 08/28/1979 | US4166260 Circuit breaker accessory assembly |
| 08/14/1979 | US4164771 Wireless emergency power interrupting system for multibranch circuits |
| 08/14/1979 | US4164724 Bimetallic thermo-release, especially for protective motor switch |
| 07/17/1979 | CA1058739A1 Portable ground fault circuit interrupter |
| 07/10/1979 | CA1058257A1 Multi-pole ground fault circuit breaker |
| 06/13/1979 | EP0002225A1 Earth-leak circuit breaker reacting upon earth leak AC, portions of earth leak DC, as well as smooth earth leak DC |
| 06/05/1979 | US4157520 Magnetic flux shifting ground fault trip indicator |
| 06/05/1979 | CA1056007A1 Unitary fused ground fault circuit interrupting device |
| 04/24/1979 | CA1053298A1 Magnetic flux shifting ground fault trip indicator |
| 04/03/1979 | CA1051959A1 Undervoltage release for circuit breaker |
| 03/22/1979 | WO1979000127A1 Defect current protection switch,reacting to double biased direct defect currents |
| 03/21/1979 | EP0001058A1 Protective switch operated by earth-leak current |
| 03/08/1979 | WO1979000105A1 Protective circuit-breaker operated by leakage current |
| 02/20/1979 | CA1049097A1 Cross-field ground fault sensor |
| 02/06/1979 | CA1048137A1 Multiple duty components of a ground fault receptacle |
| 02/06/1979 | CA1048136A1 Ground fault receptacle |
| 01/16/1979 | US4135222 Fault current protection switch |
| 01/16/1979 | US4135134 Electric wiring switch, especially a line protection switch with a fault-current circuit breaker |
| 01/16/1979 | CA1046623A1 Sequential resetting circuit interrupter |
| 01/16/1979 | CA1046577A1 Station protector with a three-electrode gas tube arrester |
| 01/09/1979 | CA1046119A1 Circuit breaker with improved trip actuator and undervoltage release mechanism |
| 12/12/1978 | CA1044286A1 Terminal structure for electromagnetic contactor |
| 10/31/1978 | CA1041597A1 Two pole ground fault circuit protector |
| 10/03/1978 | CA1039800A1 Ground fault protection for electrical power distribution systems |
| 09/05/1978 | US4112270 Means connecting circuit breaker and auxiliary feature modules |
| 08/01/1978 | US4104690 Arrangement for receiving contact potential responsive switching devices |
| 06/27/1978 | US4097831 Circuit breaker accessory tripping apparatus |
| 06/20/1978 | US4096465 Electrical overload switching relay |
| 06/06/1978 | US4093977 Ground fault protective device |