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