| Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
|---|
| 07/04/1989 | US4845460 Multipole low-voltage circuit breaker with an insulating material housing and arc-quenching chambers |
| 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 |
| 06/28/1989 | CN2040276U Switch for leakage protector |
| 06/27/1989 | US4843359 Molded case circuit breaker handle for automated assembly |
| 06/27/1989 | US4843196 Mode switching device for an electrical switch |
| 06/21/1989 | EP0321086A2 Overload relay having adaptive differential mechanism |
| 06/21/1989 | EP0320929A2 Device for releasing the contacts of differential switches |
| 06/20/1989 | US4841266 Circuit breaker having an electrodynamically opening contact system |
| 06/20/1989 | CA1256149A1 Auxiliary switch actuator mechanism |
| 06/14/1989 | EP0320412A1 High caliber multipole breaker made of two attached mould cases |
| 06/14/1989 | EP0320411A1 Ground fault circuit interrupter |
| 06/07/1989 | CN1033337A 接触器 Contacts |
| 06/06/1989 | US4837545 Miniature circuit breaker with improved longevity |
| 06/06/1989 | US4835842 Method of assembling a molded case circuit breaker operating mechanism |
| 05/31/1989 | EP0318344A1 Additional fault indicator for electrical switch device |
| 05/31/1989 | EP0317660A1 Contactor |
| 05/24/1989 | EP0316944A2 Circuit breaker with smooth sliding operation |
| 05/24/1989 | EP0316719A1 Automatic circuit breaker |
| 05/24/1989 | EP0316707A1 Miniaturized thermal contact breaker for printed circuit board |
| 05/24/1989 | CN1004311B Improved circuit breaker indicator |
| 05/23/1989 | US4833563 Molded case circuit breaker actuator-accessory module |
| 05/18/1989 | DE3805562A1 Holding magnet release, and a method for its production |
| 05/17/1989 | EP0316295A2 Trip device with holding magnet |
| 05/16/1989 | US4831221 Molded case circuit breaker auxiliary switch unit |
| 05/10/1989 | EP0314683A1 Circuit protector |
| 05/09/1989 | US4829278 Circuit breaker trip bar interlock |
| 05/09/1989 | US4829147 Circuit breaker with positive contact indication |
| 05/09/1989 | CA1253909A1 Magnetic structure for calibrating a circuit breaker |
| 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 | CA1253552A1 Closing hesitation prevention for manually operated miniature circuit breaker |
| 05/02/1989 | CA1253550A1 Circuit breaker trip indication device |
| 05/02/1989 | CA1253549A1 Molded case circuit breaker with an apertured molded cross bar for supporting a movable electrical contact arm |
| 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 | CA1253540A1 Integral circuit interrupter with separable modules |
| 04/27/1989 | DE3734396A1 Electrical switching apparatus |
| 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 |
| 04/19/1989 | CN2036313U Electricity leakage protecting switch |
| 04/18/1989 | CA1252815A1 Circuit breaker with interface flux shunt trip |
| 04/06/1989 | WO1989003116A1 Release mechanism for protective switches |
| 04/06/1989 | DE3732469A1 Method for adjusting a bimetallic trip device |
| 04/06/1989 | DE3732257A1 Method for producing an electromagnetic trip device |
| 04/05/1989 | EP0310474A1 Mechanical coupling device with automatic centering of electrical apparatus modules |
| 04/05/1989 | EP0309924A2 Molded case and cover arrangement for current limiting circuit breakers |
| 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 | CN2035528U Spring operating mechanism |
| 04/04/1989 | US4817270 Method of manufacturing a heat coil assembly for a protector unit |
| 04/04/1989 | CA1252192A1 Shunt effect low-voltage circuit-breaker |
| 04/04/1989 | CA1252138A1 Low voltage circuit breaker with remote switching function |
| 03/29/1989 | EP0309386A1 Multi-pole low-voltage circuit breaker with an insulating case and an arc quencher |
| 03/29/1989 | EP0309384A1 Multi-pole low-voltage switching device with an insulating case divided into parallel chambers |
| 03/29/1989 | EP0309383A1 Electromagnetic trip device for a low-voltage circuit breaker |
| 03/29/1989 | EP0308868A2 Enclosed switchboard |
| 03/28/1989 | US4816798 Electrical protection switch |
| 03/22/1989 | EP0307736A1 Method and device for adjusting a trip device with a permanent magnet |
| 03/21/1989 | US4814738 Overload protection switch |
| 03/21/1989 | US4814737 Overload relay |
| 03/21/1989 | CA1251504A1 Trip indicating circuit breaker operating handle |
| 03/21/1989 | CA1251502A1 Push button actuated overload protective circuit breaker |
| 03/16/1989 | DE3729615A1 Electrical coil and a method for its production |
| 03/15/1989 | EP0306544A1 Protector |
| 03/15/1989 | EP0188482B1 Switch latch |
| 03/14/1989 | US4812799 Miniature circuit breaker with improved longevity |
| 03/14/1989 | US4812793 Circuit breaker housing with centered actuator |
| 03/08/1989 | EP0306383A1 Magnetic tripper with knife articulation |
| 03/07/1989 | USRE32882 Remote control system circuit breaker |
| 03/07/1989 | US4811153 Circuit protector |
| 03/01/1989 | EP0305321A1 Tripping magnet for a circuit breaker |
| 03/01/1989 | CN1031445A Latch mechanism for fast-action circuit-breaker |
| 03/01/1989 | CN1031444A Circuit-breaker |
| 02/28/1989 | US4809132 Field installable line and load lug connectors for molded case circuit breakers |
| 02/28/1989 | US4808953 Circuit breaker |
| 02/28/1989 | US4808952 Magnetic trigger for a selectively operative switch |
| 02/28/1989 | US4808777 Electric switch |
| 02/22/1989 | EP0303965A2 Electric switchgear |
| 02/22/1989 | EP0303698A1 Current-limiting circuit breaker |
| 02/21/1989 | US4806899 Thermal circuit breaker |
| 02/21/1989 | US4806898 Polyphase interrupter responsive to single phase fault |
| 02/21/1989 | US4806897 Overload relay having adaptive differential mechanism |
| 02/21/1989 | US4806893 Molded case circuit breaker actuator-accessory unit |
| 02/21/1989 | US4806815 Linear motion actuator utilizing extended shape memory alloy member |
| 02/21/1989 | CA1250336A1 Fast action triggering assembly for automatic trigger reset translation circuit-breaker |
| 02/15/1989 | EP0303196A1 Electric installation switchgear particularly automatic cut-out |
| 02/08/1989 | EP0302249A1 Push button controlled overload circuit breaker |
| 02/08/1989 | CN1031000A High sensitive electromagnetic trip device and their method for production |
| 02/01/1989 | EP0301935A1 Highly sensitive electromagnetic tripping device and production thereof |
| 01/31/1989 | US4802059 Multiple low-voltage circuit breaker having bus bars |
| 01/31/1989 | US4801910 Magnetic actuating mechanism |
| 01/31/1989 | US4801906 Molded case circuit breaker trip indicator unit |
| 01/31/1989 | CA1249622A1 Breaker apparatus with opening and closing through tele-control from associated circuits |
| 01/31/1989 | CA1249621A1 Switching apparatus protected against short-circuit currents |
| 01/25/1989 | EP0300270A1 Latch arrangement for a high-speed circuit breaker |
| 01/24/1989 | US4800352 Electromagnetic switching apparatus with interchangeable switches |
| 01/18/1989 | EP0299440A2 Apparatus for electrically operating a circuit breaker |
| 01/18/1989 | EP0299291A1 Line circuit breaker |
| 01/17/1989 | US4799037 Circuit interrupter |