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