| 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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| 01/26/1982 | US4313098 Circuit interrupter trip unit |
| 01/19/1982 | US4311887 Handle operating mechanism for use with an electric circuit breaker |
| 01/13/1982 | EP0043406A1 Protective switch element to be added to an on/off switch apparatus built as a rotary switch |
| 01/12/1982 | CA1116218A1 Circuit breaker with interchangeable rating adjuster and interlock means |
| 01/12/1982 | CA1116211A1 Current limiting circuit breaker with high speed magnetic trip device |
| 01/06/1982 | EP0043020A1 Electric installation device, especially automatic switch |
| 01/05/1982 | US4309580 Dual arcing contacts for circuit breaker |
| 12/30/1981 | EP0042778A1 Single-pole and neutral miniature circuit breaker |
| 12/23/1981 | EP0042113A2 Automatic circuit breaker |
| 12/22/1981 | US4307359 Multipole circuit breaker |
| 12/22/1981 | CA1114867A1 Snap action circuit breaker |
| 12/08/1981 | CA1113983A1 Circuit breaker utilizing improved arc chambers |
| 12/08/1981 | CA1113981A1 Multipole electrical circuit breaker with improved interchangeable trip units |
| 11/24/1981 | CA1113142A1 Push-push switch |
| 11/03/1981 | US4298852 Circuit breaker with interchangeable rating adjuster and interlock means |
| 10/27/1981 | US4297555 Movable contact arm assembly |
| 10/20/1981 | US4296396 Manual electric switch with thermal release |
| 10/14/1981 | EP0037490A1 Release system of an automatic circuit breaker for the interruption of a circuit |
| 09/29/1981 | US4292611 High-speed automatic tripping contactor |
| 09/29/1981 | CA1109910A1 Circuit breaker with external accessory mounting means |
| 09/09/1981 | EP0035083A1 Protective switch with a release operable by hand |
| 08/25/1981 | US4286130 Low voltage circuit breaker with subdivided insulating housing |
| 08/18/1981 | CA1107326A1 Automatic magnetic switch |
| 08/12/1981 | EP0033479A1 Arc extinguishing arrangement for electric current limiting circuit breakers |
| 07/29/1981 | EP0032666A2 Circuit interrupter trip unit |
| 07/28/1981 | US4281359 Static trip unit for molded case circuit breakers |
| 07/14/1981 | US4278859 Circuit breaker structure |
| 07/07/1981 | CA1104619A1 Low profile multi-pole circuit breaker having multiple toggle springs |
| 06/30/1981 | US4276527 Multipole electrical circuit breaker with improved interchangeable trip units |
| 06/30/1981 | US4276526 Miniature current limiting circuit breaker |
| 06/16/1981 | US4274069 Locking arrangement for electric circuit breakers |
| 06/16/1981 | US4273979 Low-voltage circuit breaker with means for limiting contact lifting |
| 05/20/1981 | EP0028740A1 Switchgear with a contact arrangement |
| 05/19/1981 | CA1101474A1 Circuit interrupter with improved adjustable trip unit |
| 05/13/1981 | EP0028389A1 Low voltage-protective line switch |
| 05/12/1981 | CA1101027A1 Trip bar assembly for a multi-pole circuit breaker |
| 05/12/1981 | CA1101025A1 Current limiting circuit breaker |
| 05/06/1981 | EP0028013A1 Power circuit breaker provided with a casing |
| 05/06/1981 | EP0028012A1 Low-tension circuit breaker |
| 05/05/1981 | US4266210 Circuit breaker with improved arc extinguishing means |
| 04/21/1981 | CA1099772A1 Electromagnetically operated circuit breaker having compartmentalised housing |
| 04/07/1981 | CA1098944A1 Circuit breaker with thrust transmitting spring |
| 03/31/1981 | US4259651 Current limiting circuit interrupter with improved operating mechanism |
| 03/24/1981 | US4258349 Double-pole rocker switch with thermal protection |
| 03/24/1981 | US4258345 Circuit interrupter with magnetic arc stretcher |
| 03/10/1981 | US4255732 Current limiting circuit breaker |
| 03/10/1981 | US4255636 Circuit breaker with current carrying conductor system utilizing eddy current repulsion |
| 02/17/1981 | CA1095959A1 Circuit interrupter |
| 02/17/1981 | CA1095954A1 Circuit breaker with fast trip mechanism |
| 02/17/1981 | CA1095953A1 Manually and electromagnetically operated circuit breaker |
| 01/13/1981 | US4245203 Circuit interrupter with pivoting contact arm having a clinch-type contact |
| 01/13/1981 | US4245140 Manual and motor operated circuit breaker |
| 12/02/1980 | US4237355 Blowing element |
| 11/12/1980 | EP0018553A1 Modular circuit breaker |
| 10/29/1980 | EP0017819A1 On-load low tension switch with fuse |
| 10/29/1980 | EP0017817A1 Auxiliary switch for protective circuit-breaking switches |
| 10/15/1980 | EP0017575A1 Contactor with rapid opening in the event of a fault |
| 10/14/1980 | CA1087663A1 Circuit breaker with current carrying conductor system utilizing eddy current repulsion |
| 10/07/1980 | US4227161 Current limiting circuit breaker with pivoting contact arm |
| 09/23/1980 | CA1086361A1 Anti-rebound latch for current limiting switches |
| 09/16/1980 | US4223288 Manually operable and shunt controllable circuit breaker |
| 09/09/1980 | US4222019 Circuit breaker with manual release |
| 09/02/1980 | US4220935 Current limiting circuit breaker with high speed magnetic trip device |
| 08/26/1980 | US4219790 Current limiting circuit breaker |
| 08/12/1980 | CA1083650A2 Ground fault receptacle with circuit interrupting means |
| 07/22/1980 | US4214219 Push-push switch |
| 07/22/1980 | CA1082266A1 Undervoltage release device for circuit breakers |
| 07/15/1980 | CA1081747A1 Stored energy circuit breaker |
| 07/08/1980 | US4211907 Setting mechanism with detent steps for tripping devices of electrical switch gear |
| 06/24/1980 | US4209760 Circuit breaker and accessory devices therefor |
| 06/10/1980 | CA1079335A1 Handle mechanism for an electric power distribution control centre |
| 06/10/1980 | CA1079333A1 Retractable secondary contacts for drawout switchgear |
| 06/03/1980 | US4206430 Bipolar protective switch |
| 06/03/1980 | US4206335 Low voltage circuit breaker having a two part insulating housing |
| 05/27/1980 | CA1078438A1 Circuit breaker |
| 05/27/1980 | CA1078437A1 Bimetal overload relay |
| 05/27/1980 | CA1078435A1 Combined electric motor starter and overload protector |
| 05/13/1980 | CA1077552A1 Circuit interrupter including low friction latch |
| 05/13/1980 | CA1077550A1 Circuit breaker with improved latch mechanism |
| 04/22/1980 | CA1076177A1 Light emitting diode blown circuit breaker indicator |
| 04/22/1980 | CA1076176A1 Toggle lever switching mechanism for an automatic switching apparatus including a low-voltage tripping device |
| 04/08/1980 | US4197519 Circuit breaker having cam surfaces on the trip member |
| 04/08/1980 | CA1075291A1 Bipolar protective switch |
| 04/02/1980 | EP0009156A1 Circuit-breaker with an additional blow-out loop |
| 03/25/1980 | CA1074375A1 Circuit breaker with improved single coil actuator and undervoltage release mechanism |
| 03/25/1980 | CA1074373A1 Current limiting circuit breaker |
| 03/25/1980 | CA1074370A1 Circuit breaker motor and handle clutch |
| 03/05/1980 | EP0008583A1 Indicator for blown circuit breaker |
| 03/04/1980 | CA1073013A2 Unitized motor starter |
| 01/29/1980 | CA1070739A1 Cam operated switch with tiltable operating lever |
| 01/23/1980 | EP0007283A1 Circuit breaker with removable release unit |
| 01/01/1980 | US4181922 Circuit interrupter with improved adjustable trip unit |
| 12/18/1979 | US4179675 Trip bar means subassembly |
| 12/18/1979 | CA1068391A1 Circuit breaker with improved trip means having a high rating shunt trip |
| 10/31/1979 | EP0004874A1 Low voltage power circuit breaker with means for limiting blow-off of contacts |
| 10/17/1979 | EP0004801A2 Circuit breaker with an electromagnetic device for a fast opening operation of the movable contact |
| 10/09/1979 | CA1064080A1 Thermal overload relay |
| 10/09/1979 | CA1064078A1 Current limiting circuit breaker with electromagnetic opening means |
| 09/19/1979 | EP0003967A1 Release gear device for electric power circuit breakers |
| 09/05/1979 | EP0003736A1 Low-tension power circuit-breaker with a split insulant housing |