H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current

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)
07/1995
07/05/1995	EP0661547A1 DC current sensor
06/1995
06/28/1995	CN2202367Y Three-phase four-functional automatic protective switch
06/27/1995	US5428495 Electrical switching apparatus with digital trip unit and automatic frequency selection
06/21/1995	CN1103997A Ground fault circuit interrupter with immunity to wide band noise
06/14/1995	CN2200884Y Protecter of motor
06/13/1995	CA2001818C Resettable ground fault circuit interrupter
06/07/1995	EP0656641A2 Trip unit for circuit breaker or protective switches
06/07/1995	CN1103508A Four=pole differential switch
05/1995
05/31/1995	CN2199595Y Electric leakage protector
05/30/1995	US5420740 Ground fault circuit interrupter with immunity to wide band noise
05/24/1995	DE4339425A1 Residual current operated device switch latch
05/23/1995	US5418678 Manually set ground fault circuit interrupter
05/17/1995	CN2197744Y Remote electrically controlling and frequently operating breaker
05/11/1995	WO1995012893A1 Overvoltage protection device
05/09/1995	US5414395 Electronic housing for two-pole ground fault circuit interrupter
05/03/1995	EP0651488A1 An electrical protection device
05/03/1995	EP0651416A1 A circuit breaker
04/1995
04/26/1995	EP0650172A1 Housing for toroidal core and wound toroidal core with such housing
04/19/1995	EP0649207A1 Self-testing circuit breaker ground fault and sputtering arc trip unit
04/19/1995	EP0649206A1 Ground fault circuit interrupter with immunity to wide band noise
04/19/1995	EP0649158A1 Differential protection block with cable passage
04/18/1995	US5408208 Electrically tripped mechanism for knife blade switches
04/12/1995	CN1101456A Differential protecting device with unit with detecting function
04/11/1995	US5406436 Shock hazard protection system
03/1995
03/30/1995	WO1995008832A1 Power switch with an arc quenching device
03/28/1995	US5402298 Used with an electrical load connected to an AC source
03/23/1995	WO1995008179A1 Switching accessory for use with motor starters
03/22/1995	CN2192949Y Switch of fuse phase-loss protective knife
03/01/1995	EP0641055A1 Modular,distributed equipment leakage circuit interrupter
03/01/1995	EP0641045A1 Mains socket with differential current protection
03/01/1995	EP0641044A1 Contact dispositif for a mains socket with differential current protection
02/1995
02/22/1995	EP0639845A1 Four pole differential circuit breaker
02/15/1995	CN2189783Y Three-phase protecting AC contactor
02/08/1995	CN2189352Y Phase fault protection device for electric motor
02/08/1995	CN1098566A An earth leakage unit
01/1995
01/18/1995	EP0634825A2 Overcurrent trip unit with indication of dependency of trip functions
01/18/1995	CN2187834Y Electromagnetic switch with phase-lose protection
01/18/1995	CN1097524A Multipolecircuit breaker with modular assembly
01/12/1995	DE4322845A1 Arrangement for measuring fault currents in load circuits or the like
01/11/1995	EP0633640A2 An earth leakage unit
01/04/1995	EP0632477A2 Device for automatically or manually testing of a protecting, controlling or signalling apparatus
12/1994
12/28/1994	CN2186441Y Multifunction triphase alternating contactor
12/27/1994	US5377067 Junction box with protection function to protect from overvoltage and overcurrent
12/14/1994	CN2185472Y Circuit-breaking relay
11/1994
11/30/1994	EP0626712A1 A coupling device between two modular electric apparatus
11/30/1994	EP0626711A1 A safety coupling device between two modular electric apparatus
11/29/1994	US5369385 Electrical switch with current monitoring
11/23/1994	EP0603346A4 Automatic miniature circuit breaker with z-axis assemblable current response mechanism.
11/23/1994	EP0600072A4 Trip energy monitor.
11/23/1994	EP0593688A4 Automatic miniature circuit breaker with z-axis assemblable trip mechanism.
11/22/1994	US5367427 Overcurrent trip unit with indication of dependency of trip functions
11/15/1994	CA1333082C Molded case circuit breaker auxiliary switch unit
11/09/1994	CN2182458Y Phase failure switch
11/09/1994	CN2182457Y Under-voltage release
11/09/1994	CN2182456Y Excess voltage breaking device for lightning device
11/08/1994	US5363079 Protective snap-together enclosure for current transformers
11/02/1994	CN2181750Y Electric leakage protector
10/1994
10/19/1994	EP0620580A1 Auxiliary trip device for circuit breaker
10/18/1994	US5357394 Circuit breaker with selective locking
10/13/1994	DE4311429A1 Main switch for four-conductor three-phase mains power supply
10/12/1994	EP0619590A1 Multipole circuit breaker with modular assembly
10/05/1994	EP0618604A1 Auxiliary device for an electric circuit breaker equiped with a switch latch
10/04/1994	US5353188 Overcurrent detector circuit for a circuit-breaker
09/1994
09/29/1994	WO1994022158A1 Safety switch
09/28/1994	CN2178385Y Phase-lack automatic protective switch
09/15/1994	DE4407934A1 Overcurrent relay
09/14/1994	EP0615327A2 Circuit breaker responsive to repeated in-rush currents produced by a sputtering arc fault
09/14/1994	EP0615269A1 Device for detecting current unbalance, in particular for differential circuit breaker
09/14/1994	EP0615266A1 Electric protection device with thermal detector
09/14/1994	EP0593733A4 Automatic miniature circuit breaker with z-axis assemblable contact assembly
09/14/1994	CN2177290Y Four pole low voltage electric switch
09/13/1994	US5347248 Protective switching device for difference-current and undervoltage tripping
08/1994
08/27/1994	CA2116496A1 Circuit breaker responsive to repeated in-rush currents produced by a sputtering arc fault
08/17/1994	EP0611224A1 Differential protection unit with functionally testable sub-assembly
08/17/1994	CN2174779Y Anti-explosive fast-acting electric cylinder
08/02/1994	US5334939 Ground fault circuit breaker test circuit for panelboards having minimum penetrations and testing circuit breakers without opening panelboard enclosure
07/1994
07/27/1994	EP0608184A1 Modular differential circuit breaker
07/19/1994	US5331501 For connecting a load to a power source
07/19/1994	US5331301 Circuit breaker
07/06/1994	CN2171157Y Protective automatic switch for neutral wire
07/05/1994	US5327112 Electromagnetic actuator of the type of a relay
06/1994
06/29/1994	EP0603346A1 Automatic miniature circuit breaker with z-axis assemblable current response mechanism.
06/23/1994	WO1994014178A1 Disk drive power management system
06/22/1994	CN2169917Y Modular control power saving protector
06/21/1994	US5323288 Protection system for electric circuits
06/21/1994	CA1330355C Manually actuated on-off switch with electromagnetic release
06/16/1994	DE4242162A1 Selectable undervoltage or operating current trip for LV protection switch - has magnet iron circuit and function spring made rotatable about one hundred and eighty degrees relative to their acting direction
06/15/1994	EP0602024A2 Operating mechanism for a multipolar fault-current protective switch with a rotary crossbar
06/14/1994	US5321574 Circuit breaker/surge arrestor package in which the arrestor uses an MOV that is thermally de-coupled from the breaker's thermal trip circuit
06/08/1994	EP0600072A1 Trip energy monitor
06/07/1994	CA1330102C Molded case circuit breaker actuator-accessory unit reset mechanism
06/07/1994	CA1330101C Molded case circuit breaker actuator-accessory unit
06/01/1994	EP0598727A1 Protective snap-together enclosure for current transformers
06/01/1994	CN2167462Y Detecting device for leakage of voltage
05/1994
05/26/1994	DE4310863C1 Auxiliary switching device for electric switch appts. - uses two-armed lever for closure of auxiliary switch contacts and release of armature for undervoltage release
05/25/1994	CN2166550Y Energy-saving pulse relay
05/18/1994	CN2165540Y Multifunctional safety plug
05/18/1994	CN2165527Y Universal safety switch
05/17/1994	CA2103018A1 High current ground fault circuit interrupter
05/10/1994	CA1329408C Overload relay having adaptive differential mechanism

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