| Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434) |
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| 05/17/2000 | CN1253371A Circuit breaker possessing high power strength and breaking capability |
| 05/10/2000 | CN1052336C Electric magnetic actuator of low voltage circuit breaker |
| 05/10/2000 | CN1052332C Electrical circuit breaker |
| 05/09/2000 | US6060674 Circuit interrupter with plasma arc acceleration chamber and contact arm housing |
| 04/27/2000 | DE19951042A1 Collapsible contact arm drive coupling for heavy current circuit breaker operatng mechanism has shear linkage element for releasing drive coupling when given application force is exceded |
| 04/19/2000 | CN1250943A Circuit breaker with moulded casing |
| 03/15/2000 | CN2369351Y Sectional push switch with automatic ejector |
| 02/09/2000 | EP0978858A2 Circuit breaker |
| 02/02/2000 | EP0977233A1 Circuit breaker with high electrodynamic strength and breaking capacity |
| 02/02/2000 | EP0977232A2 Conductor subhousing for a circuit breaker |
| 02/02/2000 | EP0976138A1 Electromagnetic switching device |
| 01/28/2000 | CA2279056A1 Conductor subhousing for a circuit breaker |
| 01/26/2000 | EP0974997A2 Fault current tolerable contactor |
| 01/26/2000 | EP0909453B1 Electrical circuit breakers |
| 01/26/2000 | CN1242868A Electromagnetic switching device |
| 01/26/2000 | CN1242586A Fault current tolerable contactor |
| 01/25/2000 | US6018284 Circuit breaker with high electrodynamic strength and breaking capacity |
| 01/19/2000 | CN2359796Y Tilt type switch with safety structure |
| 01/11/2000 | US6013889 Method for retaining a movable contact in a circuit interrupter |
| 12/29/1999 | CN2356419Y Safety switch device with protective line |
| 12/21/1999 | CA2097810C Current limiting circuit breaker with over-molded magnet and metal plates |
| 12/08/1999 | CN2353044Y Protective overload circuit-breakking switch |
| 12/02/1999 | WO1999062092A1 Rotary contact assembly for high ampere-rated circuit breakers |
| 11/30/1999 | US5994988 Movable contact structure for a circuit breaker, including crossbar and spring biased cam mechanism |
| 11/24/1999 | EP0958643A1 Circuit breaker for disconnecting an electrical apparatus from electrical network |
| 11/03/1999 | EP0572654B1 Compact circuit breaker |
| 10/27/1999 | CN2346069Y Safety switch for preventing current overload |
| 10/14/1999 | DE19915397A1 Conductor protection switch |
| 10/13/1999 | CN2343671Y Over-current disconnection switch |
| 09/28/1999 | US5959517 Fault current tolerable contactor |
| 09/22/1999 | CN2340087Y Self-locking type safety switch |
| 09/14/1999 | CA2076675C Quick-action circuit breaker |
| 09/01/1999 | CN1227396A Circuit breaker with automatic catch to prevent rebound of blow open contact arm |
| 08/25/1999 | EP0938121A2 Automatic circuit breaker particularly low voltage protective circuitbreaker |
| 08/25/1999 | CN2335257Y Switch structure with protective circuit |
| 08/11/1999 | EP0934596A2 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 08/03/1999 | US5933303 Device for protection against overload of the switch contacts of a switching device |
| 07/27/1999 | US5927484 Circuit breaker with welded contact interlock, gas sealing cam rider and double rate spring |
| 07/21/1999 | CN1223741A Electrical circuit breakers |
| 07/20/1999 | US5926081 Circuit breaker having a cam structure which aids blow open operation |
| 07/20/1999 | US5924554 Current switch with moving contacts |
| 07/06/1999 | US5920251 Reusable fuse using current limiting polymer |
| 06/30/1999 | CN2327066Y Adjustable overload-protective circuit switch structure |
| 06/29/1999 | US5917390 Circuit breaker with current limiting contact structure |
| 06/24/1999 | DE19806944C1 LV protection switch |
| 06/24/1999 | DE19757179A1 Electro-dynamically activated contact system |
| 06/23/1999 | CN1220476A Molded case circuit breaker and moving conductor assembly therefor |
| 06/16/1999 | EP0923103A2 Movable contact structure for a circuit breaker |
| 06/15/1999 | US5912605 Circuit breaker with automatic catch to prevent rebound of blow open contact arm |
| 06/08/1999 | US5910760 Circuit breaker with double rate spring |
| 05/26/1999 | EP0918348A2 Circuit breaker with automatic catch to prevent rebound of blow open contact arm |
| 05/20/1999 | WO1999010902A3 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 05/20/1999 | CA2254427A1 Circuit breaker with automatic catch to prevent rebound of blow open contact arm |
| 05/19/1999 | EP0916151A1 Current-limiting power circuit-breaker |
| 05/19/1999 | EP0767981B1 A device for protection against overcurrents in electric circuits |
| 05/05/1999 | CN2317546Y Parallel short-current protective relay for miner's lamp |
| 04/27/1999 | US5898148 Coil shaped terminal for an electrodynamically operated circuit breaker |
| 04/27/1999 | US5898146 Molded case circuit breaker with modular crossbar |
| 04/21/1999 | EP0909453A1 Electrical circuit breakers |
| 04/15/1999 | DE19809205A1 Magnetic system with over current release esp. contactor |
| 04/14/1999 | CN2314471Y Safety switch with composite upward device |
| 03/31/1999 | CN2312517Y Single piece type united structure combined switch and breaker |
| 03/24/1999 | EP0903764A2 Molded case circuit breaker and moving conductor assembly therefor |
| 03/24/1999 | EP0903763A2 Circuit breaker having a cam structure which aids blow open operation |
| 03/23/1999 | US5886860 Circuit breakers with PTC (Positive Temperature Coefficient resistivity |
| 03/18/1999 | CA2247606A1 Molded case circuit breaker and moving conductor assembly therefor |
| 03/17/1999 | CN2311073Y Change-over device for current overload protection safety switch |
| 03/17/1999 | CN1211059A Circuit breaker of molded outer case |
| 03/16/1999 | CA2159174C A circuit breaker with movable main contact multi-force-level biasing element |
| 03/11/1999 | DE19740422A1 LV power circuit-breaker |
| 03/11/1999 | DE19738807A1 Multi-pole current-limiting contact system for LV switchgear |
| 03/10/1999 | CN1210354A Apparatus and method for controlling electric motor |
| 03/10/1999 | CN1210353A Circuit interrupter with plasma arc acceleration chamber and contact arm housing |
| 03/10/1999 | CN1042469C Switch |
| 03/09/1999 | US5880658 Electromagnetic switch |
| 03/04/1999 | WO1999010902A2 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 03/04/1999 | CA2266536A1 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 03/03/1999 | CN1209686A Electric control device |
| 02/24/1999 | EP0898293A2 Apparatus and method for controlling an electric motor apparatus |
| 02/24/1999 | EP0898292A2 Electric control apparatus |
| 02/24/1999 | CN2309004Y Overcurrent protector |
| 02/23/1999 | US5874873 Electric control apparatus |
| 02/23/1999 | US5874699 Molded case circuit breaker and moving conductor assembly therefor |
| 02/17/1999 | CN2308162Y Combined modular switch electrical equipment with control and protection functions |
| 02/02/1999 | US5866996 Circuit breaker |
| 01/26/1999 | US5864453 Apparatus for interrupting electrical power between two conductors |
| 01/20/1999 | EP0829092B1 Electromagnetic switch |
| 01/19/1999 | US5861794 Thermal circuit breaker apparatus |
| 01/13/1999 | EP0834184B1 Device for protection against overload of the switching contacts of a switching device |
| 01/12/1999 | US5859579 Current--limiting switch |
| 01/07/1999 | EP0889498A2 Rotary contact assembly for high ampere-rated circuit breakers |
| 01/06/1999 | CN2303392Y Electric power plug |
| 12/30/1998 | EP0887832A2 Circuit interrupter with plasma arc acceleration chamber and contact arm housing |
| 12/30/1998 | EP0887831A2 Circuit breaker with welded contact inter-lock, gas sealing cam rider double rate spring |
| 12/08/1998 | US5847638 Thermal circuit protector and switch |
| 12/02/1998 | CN2299389Y 安全开关 Safety switch |
| 12/01/1998 | US5844765 Power plug with a slidable lid covering a circuit protector reset knob |
| 12/01/1998 | US5844455 Current limiting apparatus for circuit breaker |
| 12/01/1998 | US5844188 Circuit breaker with improved trip mechanism |
| 12/01/1998 | CA2147576C High or medium voltage circuit breaker |