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)
01/1998
01/21/1998CN1171157A Current transducers
01/21/1998CN1170949A Automatic overvoltage cut-off protector for closed-circuit cable television line
01/14/1998EP0818798A1 Electric apparatus with differential protection
01/14/1998EP0818797A1 Electrical apparatus with input and output terminals at the same side of the housing
01/14/1998CN1170225A 电路断路器 Circuit breaker
01/07/1998EP0815630A1 Electrical differential protection apparatus with a test circuit
12/1997
12/31/1997CN2271766Y Multifunctional fireproof safety mains controller
12/17/1997EP0813283A1 Differential protection device having immunity against nuisance tripping
12/17/1997EP0813219A1 Undervoltage release device
12/03/1997CN1166709A Overcurrent trip device
12/03/1997CN1166684A Differential thermal tripping device with bimetallic
12/02/1997US5694280 Resettable latch mechanism
11/1997
11/26/1997CN2269012Y Multifunctional relay protector for overvoltage
11/26/1997CN1166039A Electrical connector with breaking current for leak
11/20/1997WO1997043779A1 Process for adjusting a thermal overload cut-out
11/20/1997DE19619295A1 Justierverfahren für thermische Überlastauslöser Adjustment method for thermal overload release
11/19/1997CN2268306Y Residual current cut-off device
11/05/1997CN2266795Y Universal contact silent operation leakage protector
11/05/1997CN2266794Y Leakage release
11/04/1997US5684272 In-line cord ground fault circuit interrupter
10/1997
10/30/1997DE19712548A1 Overcurrent trip/release device for protection of electrical circuits
10/28/1997US5682287 Digital circuit interrupter shunt trip accessory module
10/22/1997EP0802552A2 Electrical switch with undervoltage release
10/22/1997CN1036232C Protected electric switching apparatus and device for fixing same
10/21/1997US5680287 In-line cord ground fault circuit interrupter
10/16/1997WO1997038432A1 Circuit breaker accessory module actuators
10/16/1997WO1997038431A1 Circuit breaker accessory module circuit board
10/16/1997CA2223483A1 Circuit breaker accessory module actuators
10/15/1997CN2264971Y Multiple integrated circuit time relay
10/08/1997EP0799516A1 Electrical circuit breaker
10/07/1997US5675303 Molded case circuit breaker accessories
10/01/1997CN1161102A Operation of residual current apparatus
09/1997
09/24/1997EP0797232A1 Thermal tripping device with bimetal
09/24/1997EP0797231A2 Electrical connector with breaking current for leak
09/12/1997WO1997023887A3 Thermal triggering system
09/10/1997CN2262296Y 单相脉冲漏电保护器 Single-phase pulse leakage protection
09/03/1997EP0731979B1 Safety switch
08/1997
08/27/1997EP0791178A1 Current transducers
08/27/1997EP0727091B1 Overvoltage protection device
08/27/1997CN2261086Y 漏电断路器 Leakage circuit breakers
08/26/1997US5661623 Ground fault circuit interrupter plug
08/06/1997CN1156517A Electrically controlled tripping mechanism
07/1997
07/29/1997US5652420 For operating a load
07/16/1997CN2257969Y Phase-loss protective contactor
07/09/1997EP0782761A1 Differential current protective switch with special core material
07/03/1997WO1997023887A2 Thermal triggering system
07/01/1997US5644464 Portable ground fault circuit interrupter
06/1997
06/26/1997DE19548479A1 Thermisches Auslösesystem Thermal release system
06/18/1997CN2256585Y Single phase leakage circuit breaker
06/18/1997CN1152182A Earth leakage breaker
06/11/1997CN1151606A Rated current regulating leakage automatic circuit breaker
06/04/1997CN1151223A Differential current protective switch with special core material
05/1997
05/21/1997EP0774768A1 Modular contactor control system
04/1997
04/23/1997EP0769199A1 Operation of residual current devices
04/23/1997EP0769198A1 Electrically controlled tripping mechanism
04/23/1997EP0769197A1 Module for use with a miniature circuit breaker
04/17/1997DE19537011A1 Electrical leakage current circuit-breaker
04/09/1997EP0593733B1 Automatic miniature circuit breaker with z-axis assemblable contact assembly
04/09/1997CN2251795Y Protective socket for electrical leakage
04/09/1997CN1147140A Circuit breaker
04/02/1997EP0720772B1 Power switch with an arc quenching device
03/1997
03/26/1997CN1034372C Protective switch, locking magnet trip especially used for protection switch against unnormal current
03/25/1997US5614878 Two pole remote controlled circuit breaker
03/19/1997CN2249963Y Energy saving contactor
03/18/1997CA2008939C Ambient compensator for thermal overload relay
03/12/1997EP0762591A2 Electrical system with arc protection
03/09/1997CA2184968A1 Electrical system with arc protection
03/06/1997WO1997008725A1 Power circuit-breaker with current transformers and data store
02/1997
02/19/1997CN2247887Y AC contactor with double phase failure and overload protection of motor
02/12/1997CN1034037C Multipolecircuit breaker with modular assembly
02/05/1997CN2246850Y Leakage protective switch
02/04/1997US5600523 Earth leakage breaker
01/1997
01/22/1997EP0603346B1 Automatic miniature circuit breaker with z-axis assemblable current response mechanism
01/14/1997US5594398 Ground fault interrupter wiring device with improved moveable contact system
01/08/1997CN2244772Y Current leakage braking protector
01/02/1997EP0493486B1 Energy management accessory for circuit breaker
12/1996
12/24/1996US5587862 Ground fault interrupter bucket combination
12/18/1996EP0749145A1 Improvement in differential-type safety cut-out switches for household appliances
12/11/1996CN2242519Y Circuit-breaking switch for preventing electricity leakage
12/11/1996CN1137685A 断路器 Breaker
12/10/1996US5583730 Shock hazard protection system
12/04/1996CN2241936Y Multi-function three-phase protector for electric machine
12/04/1996CN2241921Y Electrical leakage switch tripper
12/03/1996US5581219 Circuit breaker
12/03/1996US5581218 Circuit breaker
12/01/1996CA2176469A1 Differential transformer correction by compensation
11/1996
11/20/1996CN2240782Y Structure improved leakage protector for power source
11/20/1996CN2240781Y Phase-loss protective load switch
11/19/1996US5576921 Aggregate current transformer
10/1996
10/24/1996WO1996033505A1 Current transformer, in particular for a fault current tripping device sensitive to pulsating currents and tripping device equipped with such a transformer
10/24/1996DE19514314A1 Automatic LV switch operated circuit-breaker
10/22/1996US5568344 In-line cord ground fault circuit interrupter
10/16/1996CN1033061C 电路断路器 Circuit breaker
10/10/1996DE19513029A1 Error current protection switch with testing arrangement
09/1996
09/25/1996CN1131804A Device for anti-downrating of circuit breaker following fitting of auxiliary unit
09/19/1996WO1996028872A1 Electrical differential protection apparatus with a test circuit
09/18/1996EP0732718A1 Single pole and neutral differential circuit breaker
09/18/1996EP0731979A1 Safety switch
09/12/1996DE19508498A1 Remote release mechanism for protective switch
09/03/1996US5552755 Circuit breaker with auxiliary switch actuated by cascaded actuating members
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