Patents for H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current (5,042) |
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07/17/2003 | CA2472274A1 Control system for electrical switchgear |
07/16/2003 | EP1173869B1 Undervoltage release |
07/16/2003 | CN1430315A Electric leakage breaker capable of resisting interference from electromagnetic wave |
07/16/2003 | CN1430234A Circuit breaker remote-controller |
07/10/2003 | WO2003056594A1 Circuit breakers with integrated current and/or voltage sensors |
07/09/2003 | CN2560140Y Leakage motion ballast value regulator for phase demodulating and amplitude discriminating leakage protector |
07/09/2003 | CN2560125Y Leakage protection socket |
07/03/2003 | US20030123212 Control system for electrical switchgear |
07/03/2003 | US20030123209 Remote controller of circuit breaker |
07/02/2003 | CN2559091Y Integrated tripper of automatic air-blast circuit breaker |
06/25/2003 | EP1221171B1 Reverse current relay |
06/25/2003 | CN2558072Y Overvoltage fuse |
06/25/2003 | CN2558071Y Overcurrent and overvoltage protector |
06/24/2003 | US6583975 Aircraft applicable ground fault circuit interrupter |
06/17/2003 | US6580344 Ground fault interruption receptacle |
06/12/2003 | US20030107854 Circuit breaker with single test button mechanism |
06/11/2003 | EP1171935B1 Active material low power electrical switching mechanism and drive circuit therefor |
06/10/2003 | US6577215 Instantaneous-tripping circuit breaker |
06/05/2003 | US20030102944 Electrical circuit interrupter |
06/04/2003 | CN2554792Y Dephasing protective A.C. contactor |
06/03/2003 | US6573671 Fan reliability |
05/29/2003 | US20030099073 Ground fault interrupter |
05/21/2003 | CN2552156Y Automatic fire protection type electric leakage circuit beaker |
05/08/2003 | US20030086224 Circuit breaker for detecting an excessive voltage and tripping responsive thereto |
05/08/2003 | US20030086219 GFCI reset lockout |
05/08/2003 | US20030085783 Method for locking out a reset mechanism on electrical protective device |
05/07/2003 | CN2549584Y Multifunctional security device of power supply for electrical appliance |
05/01/2003 | US20030080837 Lockout for reset mechanism of electrical protective device |
04/30/2003 | CN1414589A Compact earth circuit breaker |
04/29/2003 | CA2262962C Automatic power cut-off device for emergency situations |
04/17/2003 | WO2002080328A8 An electrical circuit device with compact terminal configuration |
04/16/2003 | EP1181704B1 Protection relay and protected control set with front wiring |
04/09/2003 | CN1409345A Trip and reset device for electric equipments |
04/02/2003 | EP1298693A1 Switching device |
04/02/2003 | CN1407578A Protective switch |
04/02/2003 | CN1407577A Circuit breaker |
04/01/2003 | US6542056 Circuit breaker having a movable and illuminable arc fault indicator |
03/27/2003 | WO2003026091A1 Current fault detector and circuit interrupter and packaging thereof |
03/27/2003 | US20030058590 Shock hazard protection system |
03/27/2003 | CA2460609A1 Current fault detector and circuit interrupter and packaging thereof |
03/26/2003 | CN2541948Y Small breaker |
03/25/2003 | US6538862 Circuit breaker with a single test button mechanism |
03/19/2003 | EP1294069A1 Electronic circuit breaker |
03/18/2003 | US6535366 High-speed current-limiting switch |
03/18/2003 | US6534991 Connection tester for an electronic trip unit |
03/13/2003 | WO2002061905A3 Aircraft applicable ground fault circuit interrupter |
03/13/2003 | US20030047436 Shooting and rearming mechanism for electrical devices and the like |
03/13/2003 | DE20219429U1 Residual current operated circuit breaker has electrical connections available in parallel with test button |
03/13/2003 | DE10145059C1 Multi-pole switching device provided with interchangable undervoltage release with integrated auxiliary switch operated in released position |
03/12/2003 | EP1291888A1 Shooting and rearming mechanism for electrical devices and the like |
03/12/2003 | CN2540058Y Single phase two-line electric current overload protector |
03/12/2003 | CN1402289A Loop breaker |
03/11/2003 | US6532139 Arc fault circuit interrupter and circuit breaker having the same |
03/11/2003 | CA2132136C Ground fault circuit interrupter with immunity to wide band noise |
03/06/2003 | US20030043004 Circuit breaker |
03/05/2003 | CN2539274Y 综合数字继电器 Integrated Digital Relay |
03/05/2003 | CN1400619A Leakage breaker |
02/25/2003 | US6525541 Electric circuit interrupter with fail safe mode and method |
02/19/2003 | CN1397973A Reverse connection protector for grounding failure breaker |
02/19/2003 | CN1397972A Switch of multipolar contactor-breaker |
02/18/2003 | US6522228 Circuit breaker including an arc fault trip actuator having an indicator latch and a trip latch |
02/13/2003 | WO2003012814A1 Modular four-pole residual current circuit breaker |
02/13/2003 | US20030030954 Current fault detector and circuit interrupter and packaging thereof |
02/11/2003 | US6518526 Handle-operating mechanism for a circuit breaker including intermeshing handle clutch gear and operator toggle gear |
02/06/2003 | US20030024800 Protective switch |
02/05/2003 | CN2534716Y 自动断电保护器 Automatic power-off protection |
02/05/2003 | CN1395755A Multi-pole low voltage circuit breaker with one current measuring device per line |
02/04/2003 | US6515564 Electric circuit interrupter |
01/28/2003 | US6512434 Circuit breaker with shift guide |
01/28/2003 | US6512433 Protection relay and protected control set with front wiring |
01/23/2003 | US20030016477 Ground fault interruption receptacle |
01/23/2003 | US20030016103 Multi-pole contactor-circuit breaker type switch |
01/23/2003 | US20030015983 Fan reliability |
01/15/2003 | EP1276127A1 Ground fault circuit breaker |
01/14/2003 | US6507266 Thermal relay provided with a spring blade mechanism |
01/08/2003 | EP1273022A1 Low-voltage circuit breaker comprising a data memory |
01/08/2003 | CN2530344Y Ground leakage breaker |
01/02/2003 | US20030001702 Multi-pole low voltage circuit breaker with one current measuring device per line |
01/01/2003 | CN2529423Y Overvoltage earth leakage protective device |
01/01/2003 | CN2529376Y Electromagnetic leakage switch |
01/01/2003 | CN2529375Y Double-pole leakage circuit breaker |
12/26/2002 | US20020196109 Circuit interrupting device with reverse wiring protection |
12/25/2002 | CN2528103Y Earth leakage breaker |
12/25/2002 | CN2528102Y Protective switch |
12/25/2002 | CN2528099Y Heat overload relay for electric machine underphase-preventing protection |
12/25/2002 | CN1387212A Circuit breaker with shunt |
12/25/2002 | CN1097277C Defferential electric protective device |
12/19/2002 | WO2002101902A2 Low-voltage circuit-breaker with an electronic overload trip and trip magnets |
12/17/2002 | CA2108515C Button well compression seal assembly |
12/17/2002 | CA2105918C Solid copper bus shunt through ground fault circuit breaker electronic |
12/11/2002 | CN1384519A Undervoltage breaker unit with fast auxiliary switch for breaker |
12/05/2002 | US20020180451 Ground fault circuit interrupter with functionality for reset |
12/05/2002 | DE10123942A1 Monitoring device for machine or machine plant has auxiliary battery for connection to coil of electromagnet for operating safety switch via relay that responds to failure of power supply |
12/04/2002 | CN2524363Y Electric force compensation structure of main contacts of low voltage vacuum circuit breaker |
11/27/2002 | EP1261010A1 Auxiliary device for a magnetothermal circuit breaker |
11/27/2002 | EP1261006A2 Circuit breaker with shunt |
11/27/2002 | EP1261005A1 Mechanism for an enclosed residual current-operated circuit breaker |
11/27/2002 | EP1261004A1 Connection device for a residual-current module |
11/21/2002 | WO2002093709A1 Bypass circuit for the overcurrent trip of a low-voltage power circuit breaker |
11/21/2002 | US20020171987 Circuit breaker with shunt |