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)
11/2001
11/01/2001US20010036048 Ground fault interrupter
11/01/2001US20010036047 AFCI which detects and interrupts line side arcing
10/2001
10/31/2001CN2457733Y Leakage brake with variable rated residual current operation value
10/31/2001CN2457729Y Single phase leakage braker
10/31/2001CN1074194C Electrical protective switch
10/31/2001CN1074193C Integrated protector for program-controlled high voltage switch
10/31/2001CN1074191C Breaker with breaker unit and processing, calibration and communication module
10/25/2001US20010033470 Electronic trip unit with user-adjustable sensitivity to current spikes
10/25/2001US20010033469 Arc fault circuit interrupter recognizing arc noise burst patterns
10/25/2001US20010033468 Circuit protection device with half cycle self test
10/25/2001DE10019092A1 Niederspannungs-Leistungsschalter mit einem Informationsspeicher Low-voltage circuit breaker having an information memory
10/24/2001CN2456305Y Phaseoff protected contactor
10/24/2001CN2456304Y Feeding wire terminals for cutoff of switch on post by power off
10/24/2001CN1073744C 断路器 Breaker
10/23/2001US6307453 Circuit breaker with instantaneous trip provided by main conductor routed through magnetic circuit of electronic trip motor
10/18/2001WO2001078099A1 Low-voltage circuit breaker comprising a data memory
10/17/2001CN2454966Y Four-in-one leakage protector
10/10/2001EP1141988A1 Tripping slide device for a thermal overload relay or a motor protection switch
10/05/2001CA2329263A1 Electrical fault safety device
10/04/2001WO2001020634A3 Arc fault circuit breaker
10/03/2001CN2452126Y Phase-defect protection circuit breaker
10/03/2001CN2452125Y Phase-defect protection AC contactor
10/03/2001CN1316090A Dual-rated current transformer circuit
10/03/2001CN1072387C Rated current adjustable leakage automatic circuit breaker
09/2001
09/27/2001WO2001071756A1 Earth leakage detection device
09/27/2001WO2001071751A2 Circuit breaker accessory reset system
09/26/2001CN2450815Y Power-uninterrupted leakage protector
09/20/2001WO2001015183A3 Circuit breaker with independent trip and reset lockout
09/20/2001US20010022713 Earth leakage detection device
09/18/2001US6292337 Electrical system with arc protection
09/18/2001CA2128132C Overcurrent trip unit with indication of dependency of trip functions
09/16/2001CA2340875A1 Electrical safety device having a disconnectable key
09/13/2001WO2001067576A2 Connection tester for an electronic trip unit
09/13/2001WO2001067474A2 Fast acting high force trip actuator
09/13/2001DE10110421A1 Electrical protection relay has selection part for selecting reset mode that is different from reset knob and can only be permanently changed from first to second of two positions
09/12/2001CN2447932Y Leakage circuit breaker with open-phase, zero sequence protection
09/12/2001CN1071050C Method and device for regulating hot overhoad circuit breaker
09/11/2001US6288882 Circuit breaker with independent trip and reset lockout
09/04/2001US6285534 Circuit breaker with common test button for separate testing of ground fault and ACR fault function
09/04/2001CA2102660C Ground fault circuit breaker test circuit for panelboards
08/2001
08/29/2001EP1128412A2 Rolating actuator for circuit breakers suited for in advance actuation of an undervoltage tripping unit
08/29/2001EP1127363A1 Thermal overload relay provided with a spring leaf mechanism
08/29/2001CN1310855A Low voltage switchgear with bimetallic actuator
08/28/2001US6282070 Circuit interrupting system with independent trip and reset lockout
08/22/2001EP1126572A2 Arc fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same
08/22/2001EP1126492A2 Circuit breaker with instantaneous trip provided by main conductor routed trough magnetic circuit of electronic trip motor
08/22/2001EP1126491A2 Undervoltage release device for a molded case circuit breaker
08/22/2001EP1126490A2 Circuit breaker with latch and toggle mechanism operating in perpendicular planes
08/22/2001EP1126489A2 Circuit interrupter with improved trip bar assembly accommodating internal space constraints
08/22/2001CN2444309Y Electric leakage breaker
08/22/2001CN2444308Y Duplex load switch
08/22/2001CN1309406A Circuit breaker with improved tripping rod assembly capable of adapting internal space restraint
08/22/2001CN1069998C 电子差动电路断路器 Electronic differential circuit breaker
08/17/2001CA2337446A1 Arc fault circuit interrupter recognizing arc noise burst patterns
08/16/2001EP1124245A2 Fault current circuit breaker
08/16/2001DE19953551C1 Schneller strombegrenzender Schalter Fast current limiting switch
08/16/2001CA2337298A1 Circuit interrupter with improved trip bar assembly accommodating internal space constraints
08/15/2001CN2443520Y Multifunctional phase and amplitude-discrimination leakage protector
08/15/2001CN2443486Y Outdoor protector for low-voltage network line
08/15/2001CN1308767A contact mechanism for electronic overload relays
08/15/2001CN1308766A Contact mechanism for electronic overload relays
08/15/2001CA2336766A1 Circuit breaker with latch and toggle mechanism operating in perpendicular planes
08/15/2001CA2336754A1 Circuit breaker with instantaneous trip provided by main conductor routed through magnetic circuit of electronic trip motor
08/09/2001WO2001057979A1 Multi-pole low voltage circuit breaker with one current measuring device per line
08/09/2001DE10005416A1 Fehlerstrom-Schutzschalter Residual current circuit breaker
08/09/2001DE10004597A1 Hilfsstromauslöser für Leitungs-, Fehlerstrom- und Motorschutzschalter Auxiliary trigger for management, fault current and motor protection switch
08/08/2001EP1122758A2 Auxiliary trip device for circuit, earth leakage and motor protection breaker
08/08/2001CN2442386Y Protective relay for open-phase and phase sequence
08/03/2001CA2334134A1 Afci which detects and interrupts line side arcing
08/02/2001DE10004833A1 Mehrpoliger Niederspannungs-Leistungsschalter mit einem Stromerfassungsgerät je Pol A multipole low-voltage power switch having a current detecting device per pole
07/2001
07/31/2001US6268987 Ground fault circuit interrupter
07/26/2001DE19915010A1 Isolator switch for fitting to vehicle batteries wired in vehicle's load current circuit, has arrangement of contacts and allows electromagnetic system to release isolator element from normal operating position
07/25/2001EP1118092A1 Electric circuit breaker having a data store
07/25/2001CN1068986C Overcurrent trip device
07/25/2001CN1068969C Heat overload protector
07/19/2001WO2001052295A1 Circuit breaker accessory gap control mechanism
07/18/2001EP1117115A1 Differential electric protection device, in particular a differential switch
07/18/2001EP1116251A1 Circuit breaker with a rated current plug connector
07/18/2001CN1304155A Differential electric protecting device, especially differential switch
07/18/2001CN1068703C 断路器 Breaker
07/17/2001US6262872 Electronic trip unit with user-adjustable sensitivity to current spikes
07/17/2001US6262871 Fail safe fault interrupter
07/11/2001CN2439127Y Leakage protection socket
07/10/2001US6259340 Circuit breaker with a dual test button mechanism
07/05/2001WO2001048780A1 Device for protecting an electric circuit
07/04/2001EP1112585A2 Low voltage switchgear with bimetallic actuator
07/04/2001CN2438220Y Loss-of-phase relay protector
07/03/2001US6255926 Circuit interrupter with accessory trip interface and break-away access thereto
07/03/2001US6255924 Shock resistant circuit breaker UVR
07/03/2001US6255923 Arc fault circuit breaker
06/2001
06/27/2001EP1111645A2 Circuit breaker accessory reset system
06/21/2001WO2001045128A1 Ground fault circuit breaker
06/20/2001EP1108260A1 Dual-rated current transformer circuit
06/20/2001CN2435871Y Automatic protective switch for use in small industrial and mining area
06/20/2001CN1300091A High-speed current-limiting switch
06/13/2001EP1105901A1 Circuit interrupting system with independent trip and reset lockout
06/12/2001US6246558 Circuit interrupting device with reverse wiring protection
06/07/2001DE10058068A1 Thermal overload relay has projection that is formed to the intermediate section of a tensioning spring and adjacent to a detent lever
06/06/2001CA2326798A1 Current transformer and method for correcting asymmetries therein
06/05/2001US6242845 Electronic driving circuit for a bistable actuator
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