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