Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
06/1994
06/08/1994EP0600042A1 Overtemperature sensing and signaling circuit.
06/08/1994CN1087748A Breaking switch
06/07/1994US5319169 Molded case circuit breaker having rectangular knee pin non-rotatably keyed to toggle linkage
06/07/1994US5319167 Electrical contactor employing a rotary disc
06/07/1994CA1330102C Molded case circuit breaker actuator-accessory unit reset mechanism
06/07/1994CA1330101C Molded case circuit breaker actuator-accessory unit
06/01/1994EP0599800A1 Automatic cut-out switch
06/01/1994EP0598727A1 Protective snap-together enclosure for current transformers
06/01/1994DE4240031A1 Magnetauslöser für Fehlerstromschutzschalter Magnetic trigger for residual current circuit breaker
05/1994
05/31/1994US5317471 Process and device for setting a thermal trip device with bimetal strip
05/31/1994US5317295 Molded case circuit breaker trip-to-test button
05/31/1994US5317117 Gas deflection and isolation system for use with a high power circuit breaker
05/26/1994WO1994011894A1 An improved arc extinguishing device and method of assembling same
05/26/1994CA2127786A1 An improved arc extinguishing device and method of assembling same
05/25/1994CN2166517Y High reaction non-fuse wire switch
05/25/1994CN1087204A Self-locking tripping device for low-voltage electrical appliances
05/24/1994US5315477 Thermally efficient compact circuit breaker support and enclosure
05/24/1994CA1329822C Circuit breaker auxiliary switch assembly
05/24/1994CA1329821C Molded case circuit breaker with viewing window and sliding barrier
05/24/1994CA1329820C Drive mechanism for circuit breaker
05/24/1994CA1329819C Combination barrier and auxiliary ct board
05/19/1994DE4304772C1 Switch mechanism for electric motor protection switch - has spring-biased pivoted wiper between knee-lever system and movable contact bridge carrier
05/18/1994CN2165526Y Single-phase leakage cut-out with instantaneous overcurrent protection
05/17/1994US5313033 Molded case circuit breaker having changing pivot locations for the operating handle
05/11/1994CN1086629A Switch lock for a circuit breaker
05/10/1994US5311161 Molded case circuit breaker motor operator interface assembly
05/10/1994US5310971 Molded case circuit breaker with contact bridge slowed down at the end of repulsion travel
05/10/1994CA1329408C Overload relay having adaptive differential mechanism
05/10/1994CA1329407C Modular option deck assembly
05/10/1994CA1329406C Ct quick change assembly
05/10/1994CA1329405C Circuit breaker with rubber shock absorbers in outer poles
05/10/1994CA1329404C Circuit breaker auxiliary device snap-on package and method of making same
05/04/1994EP0595603A1 Overcurrent protection device with programmable communications and inactivity feature
04/1994
04/28/1994DE4236006A1 Electrical line safety switch with thermal and electromagnetic release stages - has release elements and contacts mounted between a pair of ceramic material plates
04/27/1994EP0593733A1 Automatic miniature circuit breaker with z-axis assemblable contact assembly.
04/27/1994EP0593688A1 Automatic miniature circuit breaker with z-axis assemblable trip mechanism
04/27/1994EP0378679B1 Circuit breaker auxiliary device snap-on package
04/26/1994US5306973 Mounting bracket for overload protectors
04/26/1994CA1328900C Molded case circuit breaker shunt trip unit
04/26/1994CA1328899C Molded case circuit breaker multiple accessory unit
04/20/1994EP0593162A1 Current limiting fuse and dropout fuseholder for interchangeable cutout mounting
04/19/1994US5304765 Circuit breaker positive off interlock
04/13/1994EP0592007A1 Switching device
04/13/1994EP0591905A1 Electrical switch
04/13/1994EP0591904A1 Electrical switch assembly
04/13/1994EP0591679A1 Circuit interrupter with current monitoring
04/13/1994EP0437553B1 Self-coordinated device for the control and protection of electrical equipement
04/13/1994CN2161991Y Infrared telecontrol knife-blade switch device
04/13/1994CN2161990Y Self-lock device for minisize leakproof circuit breaker
04/13/1994CN1085348A Current limiting fuse and dropout fuseholder for interchangeable cutout mounting
04/13/1994CN1085347A Isolating device adapted to be associated with a circuit-breaker
04/12/1994US5303113 Digital circuit interrupter with RFI and EMI shielding
04/12/1994US5302925 Circuit breaker rotary handle operator with positive on indication
04/12/1994US5302788 Molded case circuit breaker having trapezoidally shaped shaft
04/12/1994US5302787 Automatic miniature circuit breaker with Z-axis assemblable contact assembly
04/12/1994US5302786 Molded case circuit breaker for remote control operations
04/12/1994US5302785 Molded case circuit breaker operating mechanism crossbar assembly
04/06/1994EP0591074A1 Moulded case circuit breaker with auxiliary contacts
04/06/1994EP0591073A1 Moulded case circuit breaker with exchangeable release unit
04/06/1994EP0590937A2 Electrical switching apparatus with digital trip unit and memory reset
04/06/1994EP0590936A2 Electrical switching apparatus with digital trip unit and automatic frequency selection
04/06/1994EP0590475A2 Circuit breaker
04/06/1994CN2160992Y Timing and current limiting apparatus
04/05/1994US5301083 Remote control residential circuit breaker
04/05/1994US5300907 Operating mechanism of a molded case circuit breaker
04/05/1994US5300906 Current switching device
03/1994
03/31/1994WO1994007255A1 Push-button actuated safety switch
03/31/1994DE4304769C1 Actuator mechanism for motor power switching stage - has movable contact unit held in stable position and released by manual unit providing fast and independent switching action
03/30/1994EP0589780A1 Disconnecting apparatus associable with a circuit breaker
03/30/1994EP0589779A1 Magnetic blow-out circuit breaker
03/30/1994CN1084670A Electric circuit-breaker of the magnetic arc extinction type
03/30/1994CN1084669A Device for associating a contactor with a circuuit-breaker
03/29/1994US5298874 Range of molded case low voltage circuit breakers
03/29/1994CA2001670C Security device for switching equipment made of several modular removable elements
03/24/1994DE4304771C1 Switching device for multi-phase motor protection switch - cooperates with release lever of external auxiliary switch upon overcurrent release
03/23/1994EP0588712A1 Piece for connecting a contactor with a circuit breaker
03/23/1994EP0588589A1 A shunt trip device
03/23/1994EP0588588A2 An electro-magnetic device
03/22/1994US5296996 Device for motor and short-circuit protection
03/22/1994US5296664 Circuit breaker with positive off protection
03/18/1994CA2106144A1 Current limiting fuse and dropout fuseholder for interchangeable cutout mounting
03/17/1994EP0563368A4 Current limiting circuit breaker.
03/17/1994EP0563360A4 Operating mechanism for a circuit breaker.
03/15/1994US5295037 Molded case circuit breaker-process loop unit
03/15/1994US5294903 Electric switch, in particular a load switch or electric circuit breaker
03/15/1994US5294902 Fail-safe residential circuit breaker
03/15/1994US5294901 Molded case circuit breaker insulated armature latch arrangement
03/15/1994CA2008256C Auxiliary switch retainer for circuit breakers and actuator member
03/08/1994US5293296 Ejecting outlet and adapter
03/08/1994US5293016 Circuit breaker
03/08/1994CA1327625C Operating mechanism of a miniature electrical circuit breaker
03/02/1994EP0584503A1 Circuit breaker mecanism
03/01/1994US5290982 Circuit breaker with positive on/off interlock
02/1994
02/23/1994EP0583762A1 Switching device
02/23/1994CN1082760A Unit for electrically operation of circuit breaker
02/22/1994US5288958 Lockable remote rotary handle operator for circuit breakers
02/22/1994CA1327223C Latch and pivot mechanism for electronic sectionalizer mounting structure
02/15/1994US5287077 Molded case circuit breaker multi-pole crossbar assembly
02/09/1994CN2155623Y V-shaped top-plate for field discharge switch mechanical structure
02/09/1994CN1081785A 自动开关 Automatic switch