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)
08/1988
08/24/1988EP0279363A2 Circuit breaker for fault current protection
08/17/1988EP0278920A2 A remote control apparatus for tripping off switches
08/03/1988EP0276348A1 Tripping device with burning prevention switch
07/1988
07/27/1988EP0275750A1 Bipolar differential interrupter with fault indicator
07/26/1988CA1239692A1 Variable configuration switching device
07/13/1988CN87214359U Automatic protective device for television sets
07/12/1988US4757294 Combined trip unit and accessory module for electronic trip circuit breakers
06/1988
06/23/1988DE3642471A1 Protection circuit breaker combination
06/22/1988EP0271669A2 Mechanism for an earth fault current circuit breaker combined with a line circuit breaker
06/16/1988DE3638291A1 Bimetallic trip device for an electrical switching apparatus
06/08/1988CN87104289A Circuit breaker with adjustable thermal trip unit
05/1988
05/10/1988US4743876 Circuit interrupter with undervoltage trip mechanism
05/05/1988WO1988003324A1 Circuit breaker contact assembly
04/1988
04/20/1988EP0264314A1 Multipole differential circuit breaker with a modular assembly
04/20/1988EP0264313A1 Electric differential-protection apparatus with a test circuit
04/19/1988US4739450 Ground fault receptacle with compact component arrangement
04/13/1988CN87106499A Multipolar earthing leakage switch comprised of standard fittings
04/05/1988CA1234853A1 Molded case circuit breaker with single solenoid operator for rectilinear handle movement
04/05/1988CA1234852A1 Molded case circuit breaker with resettable combined undervoltage and manual trip mechanism
03/1988
03/23/1988CN87213016U Power saving electronic type three-phase protector for preventing electric shock
03/23/1988CN87212986U Electric shock protector for sequential electric source
02/1988
02/24/1988EP0256901A1 Switching device with symmetrical percussion making use of a snap action overcentre device
02/03/1988CN87104627A Combined trip unit and accessory module for electronic trip circuit breakers
01/1988
01/27/1988EP0254162A2 Overload relay
01/20/1988EP0253120A1 Automatic switch block
01/12/1988US4719437 Electrical ground fault receptacle assembly
01/12/1988CA1231361A1 Varistor fuse element
01/07/1988EP0251569A2 Circuit breaker with adjustable thermal trip unit
12/1987
12/29/1987US4716392 Power supply switch
12/22/1987US4714975 Self-contained ground fault test feature in circuit breaker
12/17/1987DE3620289A1 Switching toggle for a latching mechanism
11/1987
11/10/1987US4706158 Circuit breaker with self-contained electronic trip actuator and undervoltage release control circuit
10/1987
10/27/1987US4702002 Method of forming signal processor module for ground fault circuit breaker
10/14/1987EP0241412A1 Mounting arrangement for auxiliary tripping units
10/13/1987US4700161 Combined trip unit and accessory module for electronic trip circuit breakers
10/13/1987CA1228103A1 Reduced-size thermal overload relay
10/06/1987US4698606 Circuit breaker with adjustable thermal trip unit
10/06/1987CA1227840A1 Electrical interconnect arrangement for a gfci magnetic sensor module plug-in subassembly
09/1987
09/22/1987EP0164407A4 Shock hazard protection system.
09/08/1987CA1226601A1 Interrupter mechanism for a ground fault circuit interrupter
09/01/1987US4691184 Bimetal releaser
08/1987
08/25/1987CA1226016A1 Automatic switch with impact-armature tripping device
08/18/1987US4688134 Ground fault circuit interrupter and electronic detection circuit
08/18/1987US4687906 Portable electric hair dryer with electric shock protection circuit
08/12/1987EP0231732A2 Circuit breaker for fault and conduction current protection
08/11/1987US4686600 Modular ground fault circuit breaker
07/1987
07/21/1987US4681061 Button indicator and switch assembly
07/08/1987EP0228345A1 Magnetic-release mechanism for an earth fault circuit breaker
07/08/1987CN86205364U Dz5-20 automatic switch with safety device
07/02/1987DE3545846A1 Three-phase motor protection circuit breaker
06/1987
06/02/1987US4670728 Thermal type overload relay
05/1987
05/19/1987US4667263 Ground fault module for ground fault circuit breaker
05/19/1987CA1222045A1 Plug-in ground fault circuit interrupter module
04/1987
04/23/1987DE3537040A1 Circuit breaker responsive to leakage current - has current transformer in one housing coupled to cut=out switch contacts for both supply poles in adjacent housing
03/1987
03/24/1987US4652964 Varistor fuse element
03/24/1987US4652847 Thermal-type overload relay
03/10/1987US4649358 Reset mechanism for a rotary switch
02/1987
02/26/1987WO1987001237A1 Remote control circuit breaker
02/24/1987CA1218445A1 Shock hazard protection system
02/18/1987CN86104518A Ground fault receptacle with compact component arrangement
02/10/1987US4642597 Overcurrent relay
02/10/1987CA1217804A Remote controlled circuit breaker
02/04/1987CN85104228A Multifunctional automatical contactor
02/03/1987US4641217 Two pole ground fault circuit breaker
02/03/1987US4641216 Signal processor module for ground fault circuit breaker
02/03/1987US4641117 Combined accessory and trip actuator unit for electronic circuit breakers
01/1987
01/07/1987EP0207802A2 Ground fault receptacle with compact component arrangement
01/06/1987US4635013 Additive block couplable to a circuit breaker
12/1986
12/24/1986CN85201312U Mechanical interlocking contactor
12/23/1986US4631507 Variable composition switching device
12/16/1986US4630015 In a power distribution system
12/09/1986CA1215092A1 Circuit interrupter with improved electromechanical undervoltage release mechanism
11/1986
11/18/1986US4623859 Remote control circuit breaker
11/11/1986US4622529 Operating mechanism for a low voltage multipole circuit breaker
11/05/1986EP0200581A1 Mechanisms of fault current protective switches which enable their coupling in or to automatic breakers
10/1986
10/28/1986US4620171 Molded case circuit breaker with resettable combined undervoltage and manual trip mechanism
10/07/1986US4616206 Circuit breaker and shunt trip apparatus combined within single pole device
10/07/1986CA1212403A1 Resettable circuit closing device
10/01/1986EP0196241A1 Single pole and neutral differential circuit breaker
10/01/1986EP0196047A2 Thermal-type overload relay
10/01/1986EP0195816A1 Bimetallic trigger.
08/1986
08/26/1986US4608546 Automatic switch with impact-armature tripping device
08/13/1986EP0190985A2 Low oil trip and/or lockout apparatus
08/06/1986EP0189493A1 GFI circuit breaker in the form of a connecting plug
07/1986
07/02/1986CN85201165U Non-fuse wire fuse
06/1986
06/25/1986EP0185223A2 Trip device
06/17/1986US4595894 Ground fault circuit interrupting system
06/17/1986US4595812 Circuit interrupter with detachable optional accessories
05/1986
05/27/1986US4591816 Low oil trip and/or lockout apparatus
05/13/1986US4589047 Protective mechanism in electrically operated devices
05/07/1986CN85203227U Electric saving apparatus of single switch fix-and-let-go alternating-current contactor
04/1986
04/30/1986EP0179677A1 Switching device with a variable composition
04/10/1986WO1986002197A1 Bimetallic trigger
04/02/1986EP0176402A1 Switches with automatic circuit breaking, especially in differential switches and circuit breakers
03/1986
03/27/1986WO1986001936A1 Variable switch-box for a motor (protection) switch and under-voltage trigger for incorporation in electrical tools etc.
03/25/1986US4578732 Ground fault circuit interrupter including snap-acting contacts
03/19/1986EP0174382A1 Variable switchbox for a motor (protective) circuit-breaking switch and undervoltage release to be mounted in electric tools or the like
03/04/1986US4574260 Snap acting solenoid operated reset latch mechanism
02/1986
02/19/1986EP0171775A2 Safety switch
02/04/1986US4568997 Resettable circuit breaker for use in ground fault circuit interrupters and the like
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