Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
09/1993
09/01/1993EP0557795A1 Method for loading a spring energy accumulator drive for a high or medium voltage circuit breaker and circuit breaker for carrying out the method
09/01/1993EP0557621A1 Trip link latch and interpole link for a circuit breaker
09/01/1993CN1075820A Single-pole plus neutral circuit breaker with test circuit
09/01/1993CN1022004C Circuit breaker with moulded outer shell
09/01/1993CN1022003C Rubber stops for multi-stage circuit breaker
09/01/1993CN1022002C High sensitive electromagnetic trip device and their method for production
08/1993
08/31/1993US5241290 Compact circuit breaker
08/31/1993CA1321821C Circuit breaker with removable display and keypad
08/25/1993EP0557214A1 Single-pole and neutral differential circuit breaker with test circuit
08/24/1993US5239144 Circuit breaker trip unit interlock
08/19/1993CA2087757A1 Circuit breaker contacts condition and alarm indicators
08/18/1993EP0473619B1 Switching mechanism for a line protective switch
08/18/1993CN2140562Y Improved switch structure without fuse
08/18/1993CN2140561Y Improved switch structure without fuse
08/17/1993US5237297 Tripping apparatus for use with an electrical circuit breaker having magnetic tripping responsive to low overcurrent
08/11/1993EP0555158A1 Operating mechanism for a moulded case circuit breaker
08/03/1993US5233511 Panelboard arrangement with improved control
08/03/1993US5233321 Protective switch
08/01/1993CA2088473A1 Miniature reverse loop current limiting circuit breaker
07/1993
07/29/1993DE4202122A1 Trigger for switch devices has thermal overcurrent trigger - uses current through U=shaped bimetallic strip to generate magnetic field for quick triggering
07/27/1993US5231365 Circuit breaker
07/21/1993EP0552113A1 Combined circuit breaker and neutral line switch with an insulator cap
07/21/1993EP0552112A1 Combined circuit breaker with neutral line disconnect device
07/21/1993CN1021674C Combination barrier and auxiliary CT board
07/21/1993CN1021673C Breaker with laminated copper assembly
07/20/1993US5229730 Resettable circuit interrupter
07/14/1993EP0551039A1 Mechanism for current breaking apparatus
07/14/1993EP0550927A1 Selective automatic safety switch
07/13/1993US5226619 Actuator mechanism
07/07/1993CN1021527C Magnetic breaker having wide-range threshold of trip-out
07/07/1993CN1021526C Crossbar assembly
07/07/1993CN1021525C Safety device for switching appliance formed by assembling together several removable modular elements
07/06/1993US5225800 Thermal-magnetic trip unit with low current response
06/1993
06/30/1993EP0549084A2 Power drive for electrical switches with a manual operating handle
06/30/1993EP0549083A1 Trip device for switches on a plug-in socket
06/30/1993EP0549072A1 Electric switch, in particular a load switch or electric circuit breaker
06/30/1993EP0548732A2 Earth leakage circuit breaker
06/30/1993EP0548731A2 Earth leakage and/or differential current circuit breaker
06/30/1993EP0548730A2 Thermal tripping means
06/29/1993US5224006 Electronic circuit breaker with protection against sputtering arc faults and ground faults
06/29/1993US5223813 Circuit breaker rocker actuator switch
06/29/1993US5223810 Trip-reset mechanism for GFCI receptacle
06/29/1993US5223681 Current limiting circuit breaker with over-molded magnet and metal plates
06/25/1993CA2062324A1 Circuit breaker lock out - multi-pole
06/24/1993DE4238939A1 Trigger for electromagnetic circuit-breaker - has armature release point determined by combination of permanent magnet and adjustable electromagnet device.
06/24/1993DE4142716A1 Thermal cut=out switch - has bimetallic disc that responds to electrical heating provided by resistive contact carrying element.
06/23/1993EP0547964A1 Bus bar for parallel supply of modular electrical apparatus
06/23/1993CN1021388C Multipolar earthing leakage switch comprised of standard fittings
06/22/1993US5221915 Thermal protector
06/22/1993CA1319384C Molded case circuit breaker trip indicator unit
06/21/1993WO1993013537A1 Compact circuit breaker
06/21/1993CA2104007A1 Compact circuit breaker
06/21/1993CA2085862A1 Electric switch, in particular a load switch or electric circuit breaker
06/19/1993WO1993012566A1 Remotely programmable electronic trip system
06/19/1993CA2101849A1 Remotely programmable electronic trip system
06/16/1993EP0546169A1 Panelboard arrangement with improved control.
06/16/1993EP0546166A1 Remote control circuit breaker
06/15/1993US5220303 Molded case circuit breaker low friction latch assembly
06/15/1993US5219070 Lockable rotary handle operator for circuit breaker
06/09/1993DE4240463A1 Coupling to extend switch actuation plunger - has in=line coupling with spring clip inserted for coupling to switch body
06/09/1993CN1021169C Circuit breaker with individual gap adjustment at high and low settings of magnetic trip
06/09/1993CN1021168C Oprating mechanism of an auxiliary trip unit for modular circuit breaker
06/09/1993CN1021167C Checkout device for fault current protective switch
06/08/1993US5218332 Switch device
06/08/1993US5218331 Molded case circuit breaker with interchangeable trip circuits
06/08/1993US5217111 Screw retainer for a molded case circuit breaker movable contact arm arrangement
06/02/1993CN1072798A Electromagnetic actuating device incorporated in remote control unit
06/01/1993US5215480 Electronic circuit interrupter with attached terminal connector block
05/1993
05/26/1993EP0543740A1 Electromagnetic actuator, incorporated in a remote control unit
05/26/1993EP0543208A1 Protective circuit-breaker with rocker
05/25/1993US5214405 Miniature circuit-breaker with remote tripping
05/25/1993US5214402 Trip link latch and interpole link for a circuit breaker
05/25/1993US5213206 Circuit breaker with positive on/off interlock
05/23/1993CA2083126A1 Electromagnetic actuating device incorporated in a remote control unit
05/19/1993EP0542641A1 Process and device for adjusting a thermal bimetal tripping device
05/19/1993EP0542636A1 Multipole circuit-breaker being composed of single-pole units
05/19/1993EP0542274A1 Reset mechanism for a small-power tripping device for a circuit breaker
05/19/1993EP0541621A1 A permanent magnet release solenoid for automatic circuit breakers.
05/19/1993DE4137779A1 Motor drive for power switch or circuit breaker - has motor coupled to gear with ratchet to operate slide unit coupled to switching stage actuator.
05/19/1993CN1020827C Circuit breaker auxiliary switch assembly
05/17/1993EP0598727A4 Protective snap-together enclosure for current transformers.
05/12/1993CN2133049Y Trip apparatus
05/05/1993EP0540431A1 Handling mechanism for tetrapolar circuit breaker
05/05/1993EP0478700A4 A method of manufacturing a circuit breaker
05/05/1993EP0470215A4 A circuit breaker
05/05/1993CN1071785A Multipole circuit breaker with single-pole units
05/05/1993CN1071784A Range of molded case low voltage circuit breakers
05/05/1993CN1020521C Operation mechanism for low-tension switch
05/04/1993US5207601 Device for mechanical and electrical assembly of miniature molded cases
04/1993
04/29/1993DE4235504A1 Electric power switch with additional switch functions - provided for alarm and ancillary purposes in the form of cassette modules locating in housing
04/28/1993EP0538658A1 Current sensor with integrated Hall effect device
04/28/1993CN1071531A Manufacturing process of electromagnetic trip device with overmolded and trip device thus obtained
04/27/1993US5206789 Terminal assembly for a circuit breaker and similar apparatus
04/27/1993US5206618 Magnetic latch
04/27/1993US5206616 Switching device for the interruption of fault currents
04/21/1993EP0538155A1 Manufacturing process for an electromagnetic trip device with molded-in striker and trip device so obtained
04/21/1993EP0538149A1 Series of moulded case low voltage circuit breakers
04/21/1993CN2130286Y 多功能自动开关 Multifunctional Automatic Switch
04/20/1993US5204798 Metering accessory for molded case circuit breakers
04/19/1993WO1993008585A1 Current limiting circuit breaker with over-molded magnet and metal plates