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