Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 71 - Details of the protective switches or relays covered by groups
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
11/1998
11/05/1998WO1998034258A3 Fast connection switching device
11/04/1998EP0769199B1 Operation of residual current devices
11/04/1998CN2296562Y Air switch configuration box
11/04/1998CN2296561Y Air switch configuration box
11/04/1998CN2296560Y Air switch configuration box
11/03/1998US5831509 Circuit breaker with sense bar to sense current from voltage drop across bimetal
11/03/1998US5831503 Trip disabling mechanism for electrical switching apparatus
11/03/1998US5831501 Adjustable trip unit and circuit breaker incorporating same
11/03/1998US5831500 For interrupting power in a circuit path between a source and a load
11/03/1998US5831499 Selective trip unit for a multipole circuit breaker
11/03/1998US5831498 For use with conductors
10/1998
10/29/1998WO1998048436A1 Electromagnetic switching device
10/29/1998WO1998035237A3 Arcing fault detection system
10/29/1998DE19717236A1 Electric switch apparatus for opening and closing electric contact
10/28/1998EP0873570A1 Wiring component
10/28/1998CN2296073Y Electric circuit breaker
10/22/1998WO1998047164A1 Trip mechanism for an overload relay
10/22/1998DE19715114A1 Overcurrent trigger for fast DC switch
10/21/1998EP0872868A2 Adjustable trip unit and circuit breaker incorporating same
10/21/1998EP0872867A2 Electrically assembly with actuating device for a switch
10/21/1998EP0872866A2 Thermal trip unit with magnetic shield and circuit breaker incorporating same
10/21/1998EP0871969A1 Device in a safety switch
10/21/1998EP0871968A1 Control device for power line cut-off means
10/21/1998EP0769198B1 Electrically controlled tripping mechanism
10/21/1998CN1196565A 漏电断路器 Leakage circuit breakers
10/20/1998US5825598 Arcing fault detection system installed in a panelboard
10/20/1998US5823323 Circuit breaker contact position indicating unit
10/14/1998EP0871194A1 Machined bimetal
10/14/1998EP0871193A2 A snap-in adaptor plate for a circuit breaker
10/14/1998EP0870315A1 Armature for magnetic trigger mechanism
10/13/1998US5822168 For coupling, alternating power supply lines to a load
10/13/1998US5821839 Improved calibration means for a circuit breaker
10/13/1998US5821485 Circuit breaker electronic trip unit with adjustable settings
10/13/1998CA2115357C Overtemperature sensing and signaling circuit
10/08/1998DE19716380C1 Elektromagnetisches Schaltgerät Electromagnetic switching device
10/07/1998EP0869596A1 Motor-starter switch combination
10/07/1998EP0869595A1 Assembly of electrical apparatuses, particularly for motor starter block
10/07/1998EP0869594A1 Motor starter block
10/07/1998EP0869525A1 Electromagnetic relay
10/07/1998EP0868737A1 Device for connecting an external conductor such as a cable to a contact of an electrical apparatus
10/07/1998EP0593688B1 Automatic miniature circuit breaker with z-axis assemblable trip mechanism
10/07/1998CN1195180A 电路断路器 Circuit breaker
10/06/1998US5818122 Power supply circuit breaking apparatus for motor vehicle and power supply circuit breaking system for motor vehicle
09/1998
09/30/1998EP0867993A1 Accessory for cabling of electrical multiphase apparatuses
09/30/1998EP0867895A2 Current limiter and/or circuit breaker with PTC element
09/30/1998EP0815576B1 Auxiliary switch
09/30/1998EP0706712B1 Ground fault module conductors and base therefor
09/27/1998CA2233351A1 Current limiter and/or circuit breaker with ptc element
09/23/1998EP0866484A2 Magnetothermal low voltage circuit breaker with sensitive element made from shape-memory material
09/23/1998EP0695459B1 Handle assembly for a circuit breaker
09/23/1998EP0694205B1 Latch mechanism for a circuit breaker
09/23/1998CN2292327Y 电磁开关 Solenoid switch
09/22/1998US5811749 Electrical switching device with blow-out channels for arc gases
09/22/1998US5810628 Circuit breaker line and load terminal
09/17/1998WO1998040917A1 Low component count release mechanism
09/16/1998EP0865061A2 Improvements in and relating to circuit breakers
09/15/1998US5808846 Combination current sensor and relay
09/15/1998US5808532 Motorized module for field assembly to circuit breakers
09/15/1998US5808249 Circuit breaker with improved impact resistance
09/12/1998CA2231655A1 Reusable fuse using current limiting polymer
09/09/1998EP0862784A1 Overcurrent circuit breaker
09/09/1998CN2290919Y Tripgear of leakage protector
09/09/1998CN1039755C Breaker
09/08/1998US5805041 Electronic trip unit conversion kit for high ampere-rated circuit breakers
09/08/1998US5805038 Shock absorber for circuit breaker
09/03/1998WO1998038666A1 Electro-mechanical switching device
09/03/1998WO1998038665A1 Element for connecting individual contactors to a contactor combination
09/03/1998DE19707864A1 Low voltage switch
09/02/1998CN1192032A Case for electrical switchgear and electrical switchgear apparatus comprising such case
09/01/1998CA2078473C Remote control residential circuit breaker
08/1998
08/26/1998EP0860901A1 Housing for electric apparatus an electrical apparatus comprising the same
08/26/1998EP0860843A2 Circuit breaker
08/25/1998US5797483 Industrial-rated circuit breaker for high level overcurrent protection
08/20/1998DE19704941A1 Mechanical device for detecting short-circuit currents in electric switching devices , such as power switches
08/19/1998EP0859395A2 Low voltage circuit breaker with optionally mounted measuring transducer
08/19/1998EP0859387A2 Low voltage circuit breaker
08/19/1998CN2288505Y Operating handle of hand-operating mechanism for breaker
08/18/1998US5796061 Miniaturized automatic circuit breaker with a multi-functional terminal and a screen for protection against internal electric arcs
08/18/1998US5794763 Circuit breaker
08/13/1998WO1998035419A1 Circuit breaker for disconnecting an electrical apparatus from electrical network
08/13/1998WO1998035372A1 Modular accessory mechanical lockout mechanism
08/13/1998WO1998035370A1 Operating mechanism linkage assembly for high ampere-rated circuit breakers
08/13/1998WO1998035237A2 Arcing fault detection system
08/13/1998DE19803919A1 Current interrupting switch unit with current interrupting switch contacts e.g. for protection of machine tool induction motors
08/13/1998CA2733821A1 Integrated protection system for electrical distribution
08/12/1998EP0811266B1 Undervoltage circuit breaker with an electromagnet
08/11/1998US5793026 Magnetic trip assembly and circuit breaker incorporating same
08/11/1998US5791458 Interface connection for a circuit breaker plug-in trip unit
08/11/1998US5791456 Switch assembly and mounting bracket therefor
08/06/1998WO1998034260A1 Switching device with under-voltage auxiliary release
08/06/1998WO1998034259A1 Switching device with torsional mechanism
08/06/1998WO1998034258A2 Fast connection switching device
08/06/1998WO1998034257A1 Latching mechanism of a switching device
08/06/1998WO1998034256A2 Switching device with tripped position of the latching mechanism
07/1998
07/30/1998DE19702922A1 Automatic cut-out with electromagnetic release
07/29/1998EP0855729A1 High sensitive relay and method of coating contact surfaces of a highly sensitive relay
07/29/1998CN1188977A 断路器 Breaker
07/23/1998WO1998032144A1 Load disconnecting switch, in particular for the load circuit of a motor vehicle battery
07/23/1998DE19701311A1 Current limiting power switch with eddy current trigger for opening a main circuit
07/22/1998EP0854491A1 Contactor-circuit breaker
1 ... 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 ... 185