| 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 |