| 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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| 02/20/1990 | US4902999 Enclosed bimetal circuit breaker |
| 02/14/1990 | CN1039678A Circuit breaker auxiliary switch assembly |
| 02/07/1990 | EP0354048A2 Circuit breaker trip bar interlock |
| 02/07/1990 | EP0353951A2 Combination barrier and auxiliary CT board |
| 02/07/1990 | EP0353950A2 Rubber stops in outside poles |
| 02/07/1990 | EP0353949A2 Modular option deck assembly |
| 02/07/1990 | EP0353948A2 Laminated copper assembly |
| 02/07/1990 | EP0353940A2 Crossbar assembly |
| 02/07/1990 | EP0353939A2 CT quick change method |
| 01/30/1990 | US4897625 Remotely controllable circuit breaker |
| 01/30/1990 | US4897051 Flexible electric component leads |
| 01/25/1990 | WO1990000805A1 Circuit breaker auxiliary device snap-on package |
| 01/25/1990 | WO1990000344A1 Drive mechanism for circuit breaker |
| 01/24/1990 | EP0351724A2 Electric power circuit breaker |
| 01/17/1990 | EP0350828A2 Electrical installation apparatus with a contact-separating barrier |
| 01/17/1990 | EP0350736A2 Linked circuit breakers |
| 01/16/1990 | US4894632 Molded case circuit breaker operating mechanism fold-down arrangement |
| 01/16/1990 | US4894631 Molded case circuit breaker actuator-accessory unit |
| 01/10/1990 | EP0349930A2 Switch with pre-alarm means |
| 01/10/1990 | EP0349929A2 Switch with pre-alarm means |
| 01/02/1990 | US4891621 Ambient compensator for thermal overload relay |
| 01/02/1990 | US4891618 Laminated copper assembly |
| 01/02/1990 | US4891617 Rubber stops in outside poles |
| 12/26/1989 | US4890081 CT quick change assembly |
| 12/13/1989 | EP0346249A1 Low-voltage current-limiting circuit breaker with a sealed arc chamber |
| 12/13/1989 | EP0345412A2 Remotely controllable circuit breaker with improved arc drive structure |
| 12/13/1989 | EP0345411A2 Remotely controllable circuit breaker |
| 12/12/1989 | US4887055 Modular option deck assembly |
| 12/06/1989 | CN2049019U Protector for loss of phase |
| 11/28/1989 | US4884049 Circuit breaker overcurrent tripping device |
| 11/28/1989 | US4884047 High rating multipole circuit breaker formed by two adjoined molded cases |
| 11/28/1989 | US4883931 High pressure arc extinguishing chamber |
| 11/28/1989 | CA1263469A1 Electric switch for protector apparatus such as a breaker |
| 11/21/1989 | US4882556 Multi-pole circuit interrupter |
| 11/21/1989 | CA1263133A1 Circuit breaker with adjustable magnetic trip unit |
| 11/21/1989 | CA1263132A1 Electromagnetic switching apparatus with interchangeable switches |
| 11/14/1989 | US4880948 Contactor device for circuit breaker |
| 11/01/1989 | CN1036862A Operating mechanism of an auxiliary trip unit for modular circuit breaker |
| 10/31/1989 | US4877929 Breaking device for multipole electrical circuit breaker with multiple contacts |
| 10/25/1989 | EP0338868A1 Modular electrical protection or control apparatus |
| 10/25/1989 | CN1036660A Auxiliary control and indicating switch for standard multi-circuit breaker |
| 10/11/1989 | CN1036292A Molded case circuit breaker with viewing window and sliding barrier |
| 10/04/1989 | EP0335774A1 Tripping magnet for a circuit breaker |
| 10/03/1989 | CA1262162A1 Circuit breaker with visible trip indicator |
| 09/26/1989 | US4870531 Circuit breaker with removable display and keypad |
| 09/19/1989 | US4868535 Miniaturized thermal contact breaker for printed circuit board |
| 09/19/1989 | US4868529 Circuit breaker armature latch with control leg |
| 09/12/1989 | US4866403 Stationary contact for low-voltage circuit breakers |
| 09/12/1989 | US4866225 Insulated light weight metallic crossbar in polyphase circuit breaker assemblies for inhibiting arcing |
| 09/06/1989 | EP0331586A1 Actuating mechanism of an auxiliary tripping block for a modular circuit breaker |
| 09/05/1989 | US4864268 Pushbutton actuated overload protection switch |
| 08/31/1989 | DE3903414A1 Switch combination consisting of a main switch and an auxiliary switch |
| 08/29/1989 | US4862125 Electrical switching device with cover interlock |
| 08/29/1989 | US4860436 Method of manufacturing a compact switch |
| 08/22/1989 | US4860162 Molded case and cover arrangement for current limiting circuit interrupters |
| 08/22/1989 | US4860157 Molded case circuit breaker actuator-accessory module |
| 08/15/1989 | US4858056 Molded case circuit breaker actuator-accessory module |
| 08/10/1989 | DE3803849C1 High-power switching path for protective switching devices |
| 08/08/1989 | CA1258283A1 Contact assembly for low-voltage circuit breakers with a two-arm contact lever |
| 08/02/1989 | EP0326446A1 Auxiliary controlling and indicating switch for a modular multipole circuit breaker |
| 08/02/1989 | EP0325754A2 Low-tension power circuit breaker with a sealed arc chamber |
| 08/01/1989 | US4853822 Circuit breaker |
| 08/01/1989 | US4853662 Contactor apparatus |
| 07/25/1989 | CA1257894A1 Circuit breaker with impact trip delay |
| 07/25/1989 | CA1257893A1 Circuit breaker with trip delay magnetic circuit |
| 07/25/1989 | CA1257892A1 High speed magnetic contact driver |
| 07/19/1989 | EP0324143A1 Process for producing an apatite coated article |
| 07/18/1989 | US4849726 Circuit breaker |
| 07/18/1989 | US4849725 Multipolar circuit breaker |
| 07/18/1989 | CA1257636A1 High voltage breaker with extended barriers to prevent interpole arcing |
| 07/18/1989 | CA1257631A1 Miniature electrical circuit breaker with multiple moving contacts and thermomagnetic trip release |
| 07/11/1989 | CA1257314A1 Overload protective circuit breaker |
| 07/06/1989 | DE3744181A1 Electrical service apparatus |
| 07/05/1989 | EP0323404A1 Release system in a built-in installation circuit breaker |
| 07/05/1989 | EP0322988A1 A leaf spring system and an electric switch provided with such a leaf spring system |
| 07/05/1989 | EP0322987A1 Electromagnetic switch |
| 07/04/1989 | CA1256917A1 Current breaking device with solid-state switch and built-in protective circuit breaker |
| 06/28/1989 | EP0322321A1 High caliber multipole breaker with mould case |
| 06/27/1989 | US4843359 Molded case circuit breaker handle for automated assembly |
| 06/20/1989 | US4841266 Circuit breaker having an electrodynamically opening contact system |
| 06/14/1989 | EP0320412A1 High caliber multipole breaker made of two attached mould cases |
| 06/06/1989 | US4837545 Miniature circuit breaker with improved longevity |
| 05/30/1989 | CA1254931A1 Molded case circuit breaker with an improved internal venting system |
| 05/24/1989 | EP0316707A1 Miniaturized thermal contact breaker for printed circuit board |
| 05/24/1989 | CN1004311B Improved circuit breaker indicator |
| 05/23/1989 | US4833439 Unitary switch and circuit breaker |
| 05/09/1989 | US4829278 Circuit breaker trip bar interlock |
| 05/03/1989 | EP0314540A1 Opening device for a multipole circuit breaker with a rotating contact bridge |
| 05/02/1989 | US4827233 Miniature circuit breaker with improved longivity |
| 05/02/1989 | US4827231 Molded case circuit breaker with viewing window and sliding barrier |
| 05/02/1989 | CA1253550A1 Circuit breaker trip indication device |
| 05/02/1989 | CA1253548A1 Low voltage multipole circuit-breaker operating mechanism |
| 05/02/1989 | CA1253547A1 Molded case circuit breaker with a trip mechanism having an intermediate latch lever |
| 05/02/1989 | CA1253546A1 Molded case circuit breaker with an improved arc gas external venting system |
| 05/02/1989 | CA1253542A1 Circuit breaker with arc gas vent baffle |
| 05/02/1989 | CA1253540A1 Integral circuit interrupter with separable modules |
| 04/26/1989 | CN1032604A Magnetic trip device with knife-blade articulation |
| 04/25/1989 | US4825183 Switch latch |
| 04/19/1989 | EP0311668A1 Protective switching device with simplified tripping mechanism |
| 04/18/1989 | CA1252815A1 Circuit breaker with interface flux shunt trip |