| 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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| 04/18/1989 | CA1252814A1 Circuit breaker with force generating shunt |
| 04/05/1989 | EP0310474A1 Mechanical coupling device with automatic centering of electrical apparatus modules |
| 04/05/1989 | EP0309923A2 Improved contact arrangement for a current limiting circuit breaker adapted to be actuated both manually and by an actuating electromagnet |
| 04/05/1989 | CN1032264A 接触器 Contacts |
| 04/05/1989 | CN1003824B Magnetically operated circuit breaker |
| 04/04/1989 | CA1252192A1 Shunt effect low-voltage circuit-breaker |
| 04/04/1989 | CA1252176A1 Circuit breaker low oil trip and/or lockout apparatus |
| 04/04/1989 | CA1252139A1 Molded case circuit breaker with a movable electrical contact positioned by a camming spring loaded clip |
| 04/04/1989 | CA1252137A1 Circuit breaker with arm latch for high interrupting capacity |
| 03/28/1989 | US4816798 Electrical protection switch |
| 03/28/1989 | US4816792 Circuit breaker apparatus with remote controlled opening and closing of its circuits |
| 03/21/1989 | US4814739 Combination push/pull electric switch and circuit breaker |
| 03/21/1989 | US4814738 Overload protection switch |
| 03/21/1989 | CA1251502A1 Push button actuated overload protective circuit breaker |
| 03/21/1989 | CA1251497A1 Circuit breaker with blow open latch |
| 03/21/1989 | CA1251496A1 Circuit breaker contact arm with variable force pivot |
| 03/15/1989 | EP0188482B1 Switch latch |
| 03/15/1989 | CN2034328U Miniature automatic electric switch |
| 03/14/1989 | US4812799 Miniature circuit breaker with improved longevity |
| 03/08/1989 | EP0306383A1 Magnetic tripper with knife articulation |
| 03/08/1989 | EP0306382A1 Breaker arrangement for an electric multipolar circuit breaker with many contacts |
| 02/28/1989 | US4809132 Field installable line and load lug connectors for molded case circuit breakers |
| 02/21/1989 | US4806899 Thermal circuit breaker |
| 02/21/1989 | US4806893 Molded case circuit breaker actuator-accessory unit |
| 02/15/1989 | EP0303196A1 Electric installation switchgear particularly automatic cut-out |
| 02/14/1989 | CA1250007A1 Breaker apparatus with opening and closing through tele-control from associated circuits |
| 02/08/1989 | EP0302249A1 Push button controlled overload circuit breaker |
| 02/07/1989 | US4803455 Automatic and manually resettable miniaturized circuit breaker |
| 01/31/1989 | US4801906 Molded case circuit breaker trip indicator unit |
| 01/24/1989 | US4800352 Electromagnetic switching apparatus with interchangeable switches |
| 01/17/1989 | US4799037 Circuit interrupter |
| 01/10/1989 | CA1248569A1 Ground fault circuit interrupting system |
| 12/28/1988 | EP0296896A1 High pressure arc extinguishing chamber |
| 12/28/1988 | EP0296183A1 Circuit breaker contact assembly. |
| 12/28/1988 | CN88103427A Operating mechanism of miniature electrical circuit breaker |
| 12/28/1988 | CA1247679A Current limiting solenoid operated circuit breaker |
| 12/27/1988 | US4794356 Molded case circuit breaker auxiliary switch unit |
| 12/14/1988 | EP0295158A1 Control mechanism for a miniature electric switch |
| 11/29/1988 | US4788621 Molded case circuit breaker multiple accessory unit |
| 11/23/1988 | CN88203791U Over-load protector |
| 11/22/1988 | US4786885 Molded case circuit breaker shunt trip unit |
| 11/22/1988 | US4786771 Circuit interrupter with two stage stopper preventing bounce back |
| 11/22/1988 | CA1245256A1 Circuit breaker with manual trip pin |
| 11/22/1988 | CA1245255A1 Magnetically operated circuit breaker |
| 11/15/1988 | CA1244860A1 Polarized electromagnetic relay with magnetic latching for an electric circuit breaker trip release |
| 11/09/1988 | EP0290199A2 Circuit interrupter device and method for making |
| 11/08/1988 | CA1244510A1 Circuit breaker |
| 11/03/1988 | WO1988008614A1 Protective switching device with simplified tripping mechanism |
| 11/01/1988 | CA1244069A1 Breaker equipped electrical power supply device and electrical outlet incorporating said device |
| 10/26/1988 | EP0288167A2 Thermal circuit breaker |
| 10/25/1988 | US4780698 Circuit interrupter device and method for making |
| 10/25/1988 | US4780697 Miniature circuit breaker with improved longevity |
| 10/25/1988 | US4780579 Circuit breaker |
| 10/19/1988 | EP0287423A1 Method for rigidly attaching a metal piece to a thermoplastic support, and a metal-thermoplastic electric contact |
| 10/05/1988 | EP0285340A2 Miniature circuit breaker with improved longevity |
| 10/04/1988 | CA1242755A1 Underoil primary circuit breaker |
| 09/13/1988 | US4771258 Molded case circuit breaker bimetal with high calibration yield |
| 09/13/1988 | US4771254 Circuit breaker magnetic trip unit |
| 09/13/1988 | US4771140 Circuit interrupter |
| 09/13/1988 | CA1241987A1 Multi-pole molded case circuit breaker with a common contact operating crossbar member |
| 09/07/1988 | CN88201065U High-pressure plunger oil-applying switch |
| 09/06/1988 | CA1241685A1 Molded case circuit breaker having a reinforced housing |
| 09/06/1988 | CA1241684A1 Circuit breaker contact arm assembly having a magnetic carrier |
| 08/30/1988 | US4768025 Circuit breaker indicator |
| 08/30/1988 | US4768007 Current breaking device with solid-state switch and built-in protective circuit breaker |
| 08/24/1988 | EP0279363A2 Circuit breaker for fault current protection |
| 08/16/1988 | US4764746 Circuit breaker |
| 08/16/1988 | US4764650 Molded case circuit breaker with removable arc chutes and disengageable transmission system between the operating mechanism and the poles |
| 08/09/1988 | US4763096 Device for adjusting the thermal current of a thermal bimetallic strip trip and a protection switch including such a device |
| 08/02/1988 | US4761626 Circuit breaker |
| 07/27/1988 | EP0276074A2 Circuit breaker with magnetic shunt hold back circuits |
| 07/26/1988 | US4760384 Light-emitting diode indicator circuit |
| 07/26/1988 | CA1239692A1 Variable configuration switching device |
| 07/26/1988 | CA1239691A1 Variable configuration switching device obtained by assembling modular elements |
| 07/20/1988 | EP0274778A1 Stationary contact for low-voltage circuit breakers |
| 07/20/1988 | EP0274624A1 Protective circuit-breaking switch with a hand mechanism |
| 06/28/1988 | US4754247 Molded case circuit breaker accessory enclosure |
| 06/28/1988 | US4754246 Circuit interrupter |
| 06/28/1988 | US4754245 Multi-pole circuit interrupter |
| 06/21/1988 | US4752755 Circuit breaker |
| 06/14/1988 | US4751483 Electric switch for protection appliances such as a cut out |
| 06/08/1988 | EP0270158A2 Switching device |
| 06/08/1988 | CN87104289A Circuit breaker with adjustable thermal trip unit |
| 06/07/1988 | US4749829 Circuit breaker |
| 05/31/1988 | US4748428 Multi-pole circuit interrupter |
| 05/31/1988 | US4748301 Electric circuit breaker arc chute composition |
| 05/31/1988 | CA1237459A1 Molded case circuit breaker with calibration adjusting means for a bimetal |
| 05/17/1988 | US4745384 Circuit interrupter |
| 05/17/1988 | CA1236869A1 Circuit breaker |
| 05/10/1988 | US4743875 Circuit breaker having a direct current measuring shunt |
| 05/10/1988 | US4743204 Auxiliary bolt-operated connection for panelboard circuit breaker |
| 05/05/1988 | WO1988003324A1 Circuit breaker contact assembly |
| 05/03/1988 | US4742321 Molded case circuit breaker with accessory functions |
| 05/03/1988 | CA1236150A1 Solenoid operator circuit for molded case circuit breaker |
| 04/26/1988 | US4740770 Operating mechanism for a low voltage electrical circuit breaker |
| 04/20/1988 | EP0264318A1 Electromagnetic commutating device with interchangeable switches |
| 04/14/1988 | DE3733586A1 Line protection circuit breaker |
| 04/13/1988 | EP0263331A1 Excess current circuit breaker |
| 04/12/1988 | US4737878 Overload switch |
| 04/05/1988 | US4736174 Molded case circuit breaker operating mechanism |