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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06/05/2002 | EP1127363B1 Thermal overload relay provided with a spring leaf mechanism |
06/05/2002 | CN2494558Y Leakage circuit breaker |
06/04/2002 | US6400543 Electronic trip unit with user-adjustable sensitivity to current spikes |
06/04/2002 | US6400242 High current auxiliary switch for a circuit breaker |
05/30/2002 | WO2002043095A1 Electrical breaker device for current leakage, current overload and short-circuit protection |
05/30/2002 | US20020063619 Overload tripping device for circuit breaker |
05/30/2002 | US20020063615 Instantaneous-tripping circuit breaker |
05/29/2002 | EP1209712A1 Remote control device for modular protective apparatus |
05/29/2002 | EP1209711A1 Auxiliary device |
05/29/2002 | EP1208388A2 Connection tester for an electronic trip unit |
05/29/2002 | CN1351399A Protecting switch for fire accident and electric destroy |
05/22/2002 | CN2492938Y AC contactor with phase failure protection |
05/22/2002 | CN1085396C Error prevention device for electrical devices, in particular for circuit breakers and differential switches |
05/21/2002 | US6392513 Circuit breaker with common test button for ground fault and arc fault circuit |
05/21/2002 | US6392331 Bistable actuator |
05/16/2002 | US20020057182 Current transformer and method for correcting asymmetries therein |
05/16/2002 | US20020057162 Current transformer and method for correcting asymmetries therein |
05/14/2002 | US6388859 Shock resistant breaker shunt trip |
05/14/2002 | US6388849 ARC fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same |
05/08/2002 | EP1116251B1 Circuit breaker with a rated current plug connector |
05/08/2002 | DE10054436A1 Niederspannungs-Leistungsschalter mit einem Bemessungsstromstecker Low-voltage circuit breakers with rated current plug |
05/08/2002 | CN1084522C Current transformer in particular for a fault currrent tripping device sensitive to pulsating currents and tripping device equiped with the same transformer |
05/02/2002 | WO2002035569A1 Low-voltage power breaker with a rating plug |
05/02/2002 | US20020050887 Shunt trip device for a molded case circuit breaker |
05/02/2002 | EP1202397A1 Electrical plug with built-in safety switch for electrical apparatuses |
05/01/2002 | CN1347583A Active material low power electrical switching mechanism and drive circuit therefor |
05/01/2002 | CN1347563A Integrated electrically actuated mechanical release mechanism |
04/30/2002 | US6381113 Leakage current protection device adapted to a wide variety of domestic and international applications |
04/30/2002 | US6381112 Reset lockout for circuit interrupting device |
04/25/2002 | WO2002033720A1 Circuit interrupting device |
04/24/2002 | EP1198805A1 Fast acting high force trip actuator |
04/17/2002 | CN1345475A 断路器 Breaker |
04/16/2002 | US6373671 Apparatus with an over-current shutdown means and an over-temperature shutdown means |
04/16/2002 | CA2358721A1 Ground fault circuit interrupter |
04/10/2002 | EP1194939A2 Circuit breaker accessory reset system |
04/10/2002 | EP1118092B1 Electric circuit breaker having a data store |
04/10/2002 | EP0956579B1 Switching device with under-voltage auxiliary release |
04/10/2002 | CN2485784Y Electric leakage protecter |
04/04/2002 | US20020038759 Handle-operating mechanism for circuit breaker |
04/03/2002 | CN1343368A Circuit breaker accessory gap control mechanism |
03/28/2002 | DE10144851A1 Electrical motor circuit breaker/thermal overload having double contact strip mechanism and compensation contact strip with separator push/pull maintaining required contact strip shape. |
03/20/2002 | EP0815630B2 Electrical differential protection apparatus with a test circuit |
03/19/2002 | US6359244 Switchgear unit having a leading auxiliary switch |
03/14/2002 | US20020030953 Circuit interrupting system with independent trip and reset lockout |
03/13/2002 | EP1187278A2 A main element of a surge protector device |
03/13/2002 | CN2482254Y Leak action calm value adjuster for earth leakage protective device |
03/06/2002 | CN2480979Y Grounding leakage circuit breaker |
02/28/2002 | WO2002017458A1 Ground fault interrupter |
02/28/2002 | WO2001067576A3 Connection tester for an electronic trip unit |
02/28/2002 | US20020024790 Main element of a surge protector device |
02/27/2002 | EP1181704A1 Protection relay and protected control set with front wiring |
02/27/2002 | CN2479636Y Leakage protector for quick-heating electric water heater |
02/20/2002 | CN2478241Y Leakage relay |
02/20/2002 | CN1336675A Triphase digital and setting type breaker |
02/20/2002 | CN1079575C 继电器 Relay |
02/14/2002 | WO2001067474A3 Fast acting high force trip actuator |
02/06/2002 | EP1036401B1 Switchgear unit with leading auxiliary switch |
02/06/2002 | EP1036400B1 Switchgear unit consisting of a switching device and a coupled leading auxiliary switch |
02/06/2002 | CN2476123Y Overcurrent protective device |
02/06/2002 | CN2476096Y Zero line-breaking protector |
02/06/2002 | CN2476095Y Under-voltage trip |
01/31/2002 | WO2001071751A3 Circuit breaker accessory reset system |
01/31/2002 | US20020012211 Shock hazard protection system |
01/30/2002 | CN1333543A Differential electric protective equipment |
01/24/2002 | US20020008950 Arc fault circuit interrupter and circuit breaker having the same |
01/23/2002 | EP1173870A1 Couplable circuit breaker |
01/23/2002 | EP1173869A1 Undervoltage release |
01/23/2002 | CN2473796Y Three phase combined over voltage protector |
01/23/2002 | CN2473795Y Combined three phase over voltage protector |
01/23/2002 | CN2473741Y Three phase electronic knife switch |
01/23/2002 | CN2473740Y Mutual induction mechanism in residual current breaker |
01/22/2002 | US6340926 Power plug with circuit breaker |
01/22/2002 | US6340924 Repeatedly usable high-operating-speed circuit protection device using reed members |
01/17/2002 | US20020006022 Circuit breaker with independent trip and reset lockout |
01/16/2002 | EP1171935A1 Active material low power electrical switching mechanism and drive circuit therefor |
01/16/2002 | EP1171898A1 Integrated electrically actuated mechanical release mechanism |
01/16/2002 | CN1331481A Double-safety knife switch for electric machine |
01/16/2002 | CN1078009C Earth leakage circuit-breaker |
01/16/2002 | CN1078008C 电路断路器 Circuit breaker |
01/10/2002 | US20020003686 IDCI with reset lockout and independent trip |
01/09/2002 | EP1004129B1 Protective switchgear |
01/02/2002 | EP1168390A1 Self-opening electric switch |
01/02/2002 | CN2469549Y Double-insurance knife switch specially for electric motor |
01/02/2002 | CN1077329C 断路器 Breaker |
01/01/2002 | CA2026365C Overload relay |
12/26/2001 | CN2468201Y Self-healing earth leakage protector |
12/19/2001 | CN2466792Y Under-voltage tripping device |
12/18/2001 | CA2049223C Molded case circuit breaker actuator-accessory unit having component tolerance compensation |
12/12/2001 | EP1161762A1 Circuit breaker accessory gap control mechanism |
12/12/2001 | CN1076119C 电路断路器 Circuit breaker |
12/05/2001 | CN2463947Y Earth leakage protective device adapted for high-power equipment |
12/05/2001 | CN1325536A Thermal overload relay provided with a spring leaf mechanism |
12/04/2001 | US6326871 Switchgear unit of a switching device and a coupled leading auxiliary switch |
11/28/2001 | CN1324089A Testing button for leakage breaker |
11/21/2001 | EP1155487A1 Circuit breaker |
11/21/2001 | CN1075232C Process control signal device and/or protector |
11/15/2001 | WO2001086683A1 Arc fault circuit interrupter and circuit breaker having the same |
11/14/2001 | EP1154454A2 Shock resistant breaker shunt trip |
11/06/2001 | US6313723 Remote controllable circuit breakers with positive temperature coefficient resistivity (PTC) elements |
11/01/2001 | US20010036049 Circuit interrupting device with reverse wiring protection |