| Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
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| 02/14/1984 | US4431877 Thermal shield for circuit breaker operating spring |
| 02/07/1984 | CA1161889A1 Power drive including a drive slide for electric switchgear |
| 02/01/1984 | EP0099786A1 Two-phase differential circuit breaker |
| 01/25/1984 | EP0099233A2 Circuit control device |
| 01/24/1984 | US4427959 Circuit protecting sensor |
| 01/04/1984 | EP0097557A1 Shunt circuit for the trip device of a circuit breaker |
| 01/04/1984 | EP0097344A2 Excess current thermal relay |
| 01/03/1984 | US4424546 Miniature central office surge protectors |
| 12/28/1983 | EP0096793A2 Device for the disconnection of the neutral line connected to a circuit breaker for phase contacts |
| 12/27/1983 | US4423400 Control device to be mounted in a frame for operating the displacement of an arm and use of the device in particular as a switch |
| 12/21/1983 | EP0096601A1 Functional low-voltage power distribution block |
| 12/20/1983 | CA1159096A1 Circuit breaker with electromechanical trip means |
| 12/08/1983 | WO1983004347A1 Sectionaliser |
| 12/06/1983 | US4419649 Circuit breaker for use on AC and DC circuits |
| 12/06/1983 | CA1158300A1 Computer-controlled switching device |
| 11/22/1983 | US4417223 Multipole electric circuit breaker with improved current limiting device |
| 11/22/1983 | US4417222 Circuit breaker |
| 11/16/1983 | EP0093931A1 Leakage current release with a wound coil, process for winding the coil and device for carrying out the process |
| 11/15/1983 | CA1157072A1 Beveled latch for circuit breaker |
| 11/08/1983 | CA1156701A1 Setting mechanism for snap action circuit breaker |
| 11/01/1983 | CA1156296A1 Current-limiting circuit breaker adapter |
| 10/25/1983 | US4412267 Time-delay current sensing circuit breaker relay |
| 10/19/1983 | EP0036417B1 Cut off device monitored by a computer |
| 10/13/1983 | WO1983003496A1 Circuit breaker |
| 10/12/1983 | EP0091040A2 Protective excess current circuit-breaking switch |
| 10/11/1983 | US4409572 Electric switch |
| 10/05/1983 | EP0090176A2 Overcurrent circuit breaker |
| 10/04/1983 | US4408174 Accessory mounting module for J and K frame breakers |
| 10/04/1983 | US4408173 Electric switch |
| 10/04/1983 | CA1154858A1 Load shedding relay |
| 09/28/1983 | EP0089463A2 Air circuit breaker |
| 09/20/1983 | CA1154058A1 Circuit breaker trip latch assembly |
| 09/20/1983 | CA1154057A1 Flux shifter reset assembly |
| 09/20/1983 | CA1154056A1 Undervoltage release reset and lockout apparatus |
| 09/07/1983 | EP0087642A1 Circuit-breaker arrangement suitable as a general circuit breaker |
| 08/30/1983 | US4401872 Operating mechanism of a low voltage electric circuit breaker |
| 08/23/1983 | US4400677 Fail safe circuit breaker |
| 08/23/1983 | US4400670 Electric switch, more particularly a current-limiter |
| 08/23/1983 | US4400428 Sealable multilayer films |
| 08/16/1983 | US4399421 Lock-out relay with adjustable trip coil |
| 08/16/1983 | US4399420 Main circuit breaker |
| 08/10/1983 | EP0085595A1 Differential protective device with inherent power supply |
| 08/04/1983 | WO1983002680A1 Remote-controllable circuit breaker |
| 08/04/1983 | WO1983002679A1 Circuit breaker |
| 07/19/1983 | US4394585 Power circuit-breaker with remote-controllable operation threshold |
| 07/12/1983 | US4393289 Circuit breaker |
| 07/12/1983 | CA1149849A1 Circuit breaker mechanism |
| 07/05/1983 | US4392118 Thermal overload relay having a N.O. or N.C. contact unit selectively addable in the field |
| 07/05/1983 | US4392064 Unballasting relays |
| 07/05/1983 | US4392036 Low-voltage protective circuit breaker with a forked locking lever |
| 06/28/1983 | CA1148994A1 Temperature safety switch |
| 06/22/1983 | EP0081805A2 Contact arrangement for an automatic switch |
| 06/15/1983 | EP0081290A1 Fail safe circuit breaker |
| 06/14/1983 | US4388507 Excess-current protective switch |
| 06/14/1983 | CA1148199A1 Circuit breaker with improved barrier means |
| 06/08/1983 | EP0080687A1 Rotary operated electric switch with automatic return in the case of voltage failure |
| 06/07/1983 | US4387356 Circuit breaker |
| 06/07/1983 | CA1147780A1 Circuit breaker condition indicator apparatus |
| 06/07/1983 | CA1147779A1 Circuit breaker electrical closure control apparatus |
| 06/07/1983 | CA1147778A1 Circuit breaker hook apparatus |
| 06/01/1983 | EP0080393A1 Bi-metal device connected in series to a heater |
| 05/31/1983 | US4386329 Stored energy trip unit |
| 05/31/1983 | CA1147446A1 Static trip unit for molded case circuit breakers |
| 05/25/1983 | EP0079820A1 Contactor device with means for automatic interruption and with a local operating part |
| 05/25/1983 | EP0079819A1 Mechanically operated switch with automatic opening |
| 05/25/1983 | EP0079818A1 Contactor device with means for automatically breaking power circuits and with a local operating device |
| 05/25/1983 | EP0079817A1 Trip-free mechanism of the toggle-type for differential circuit breakers and the like, and differential circuit breakers comprising such mechanisms |
| 05/24/1983 | CA1146998A1 Time delay switch mechanism |
| 05/18/1983 | EP0079271A1 Branch circuit breaker with a load control by an operator module |
| 05/18/1983 | EP0079270A1 Low-voltage branch circuit breaker provided with a remotely controlled calibration switch |
| 05/10/1983 | US4383146 Four-pole low voltage circuit breaker |
| 05/03/1983 | US4382270 Ground fault circuit breaker with mechanical indicator for ground fault trips |
| 05/03/1983 | US4382240 Circuit breaker |
| 04/20/1983 | EP0077229A1 Circuit breaker trip device |
| 04/19/1983 | CA1144961A1 Trip interlock for static trip circuit breakers |
| 04/13/1983 | EP0076719A1 Multipole circuit breaker with removable trip unit |
| 04/13/1983 | EP0016196B1 A magnetic latch device for a clapper type contactor |
| 04/05/1983 | CA1144215A1 Circuit breaker with self contained adjustable bimetal |
| 04/05/1983 | CA1144214A1 Circuit interrupter trip unit |
| 03/23/1983 | EP0074576A2 Combined protective fault-current switch and protective circuit breaker |
| 03/22/1983 | US4377795 Circuit breaker with snap action magnetic trip actuator |
| 03/15/1983 | US4376926 Motor protector calibratable by housing deformation having improved sealing and compactness |
| 03/09/1983 | EP0073742A1 Release mechanism for a circuit breaker |
| 03/08/1983 | US4376271 Polarized DC contactors |
| 03/08/1983 | US4376270 Circuit breaker |
| 03/02/1983 | EP0073002A1 Electromagnetic tripping device |
| 03/02/1983 | EP0072972A2 Automatic switch |
| 03/01/1983 | US4375628 Circuit breaker |
| 02/22/1983 | US4375022 Circuit breaker fitted with a device for indicating a short circuit |
| 02/16/1983 | EP0072285A1 Opening device for mobile contacts of contactors able to limit short circuit currents |
| 02/09/1983 | EP0071385A2 Terminal assembly for circuit interrupter |
| 02/09/1983 | EP0071360A1 Terminal assembly for circuit interrupter |
| 02/08/1983 | CA1140966A1 Circuit breaker with anti-bounce mechanism |
| 02/08/1983 | CA1140965A1 Circuit breaker structure with shock absorbers |
| 01/25/1983 | US4370637 Magnetic actuator |
| 01/25/1983 | US4370634 Circuit breaker |
| 01/11/1983 | US4368444 Low-voltage protective circuit breaker with locking lever |
| 01/11/1983 | US4368394 Computer-controlled switching device |
| 01/05/1983 | EP0068934A1 Multipole moulded-case circuit breaker with a static tripping unit |
| 12/28/1982 | US4366354 Circuit breaker with improved contact push-off spring |