Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
12/1982
12/08/1982EP0066486A1 Operating mechanism for a low-voltage multi-pole circuit breaker
12/07/1982US4363016 Circuit breaker
12/07/1982US4363010 Contact device for a switch
11/1982
11/23/1982CA1136192A1 Manually operated generator circuit breaker
11/23/1982CA1136179A1 Circuit breaker having a cam for external adjustment of its trip point
11/17/1982EP0064906A1 Multi-pole circuit breaker with an interchangeable thermal-magnetic trip unit
11/11/1982WO1982003943A1 Trip solenoid
11/09/1982US4358650 Circuit breaker
10/1982
10/20/1982EP0062815A2 Heat-sealable multilayer film with a low gas-permeability and packaging material made therefrom
10/13/1982EP0062414A1 Operating mechanism for a circuit breaker
10/13/1982EP0062369A2 Electric switch, more particularly a current-limiter
10/13/1982EP0062082A1 Heat-sensitive safety resistor
10/12/1982US4354215 Selective safety device for the protection of a power distribution system
10/12/1982CA1133546A1 Circuit breaker trip indicator and auxiliary switch combination
09/1982
09/29/1982EP0061364A1 Low voltage circuit breaker with adjustable hybrid triggering
09/29/1982EP0060919A2 Method for the adaptation of surfaces forming an air gap for a release, especially for fault current protective switches
09/21/1982US4350965 Multi-pole circuit breakers
09/07/1982CA1131337A1 Circuit breaker having an electronic fault sensing and trip initiating unit
09/07/1982CA1131300A1 Combination starter-protector device
09/07/1982CA1131276A1 Snap on mounting clip for circuit breakers
09/01/1982EP0059118A1 Multi-pole electric circuit breaker with current limiting device
08/1982
08/31/1982US4347488 Multi-pole circuit breaker
08/31/1982CA1130849A1 Magnetically attracted and locked electromagnet plunger
08/24/1982US4346358 Contact pop responsive latch release for circuit breakers
08/24/1982US4346357 Current-limiting circuit breaker adapter
08/24/1982US4346356 Circuit breaker with increased contact separation
08/10/1982US4344055 Automatic trip device for circuit interrupter
08/10/1982US4344054 Latch assembly for static trip circuit breakers
08/10/1982CA1129464A1 Circuit breaker having a multiple spring actuating mechanism
08/10/1982CA1129463A1 Manual and motor operated circuit breaker
08/03/1982US4342979 Lighted circuit breaker
08/03/1982US4342974 Multipolar type circuit breaker
06/1982
06/29/1982US4337450 Remote control electro-thermal actuator switch
06/23/1982EP0054499A1 Circuit breaker with neutral-line disconnection
06/22/1982US4336516 Circuit breaker with stored energy toggle-lock structure
06/16/1982EP0053973A1 Miniature circuit breaker with high rupture capacity
06/01/1982CA1124779A1 Magnetic actuator using modulated flux
05/1982
05/26/1982EP0052533A1 Extension piece for a handle of a miniature switch
05/25/1982CA1124288A1 Thermal overload relay
05/12/1982EP0051231A1 Electromagnetic holding or release device
05/05/1982EP0050719A1 Contact and extinguishing means for electrical automatic miniature switches
05/04/1982CA1123033A2 Manually and electromagnetically operated circuit breaker
04/1982
04/28/1982EP0050187A2 Circuit-breaker protecting against overcurrents
04/20/1982US4326183 Circuit breaker with self contained adjustable bimetal
04/13/1982US4325041 Circuit interrupter
04/13/1982US4324963 Beveled latch for circuit breaker cross-reference to related applications
04/07/1982EP0049209A2 Protective switch of compact construction with a tripping pin
04/06/1982US4323868 Setting mechanism for snap action circuit breaker
04/06/1982CA1121417A1 Circuit interrupter with pivoting contact arm having a clinch-type contact
04/06/1982CA1121411A1 Current limiting circuit breaker
03/1982
03/24/1982EP0047901A1 Ground fault circuit breaker with adjustable trigger
03/24/1982EP0047847A1 Protective circuit-breaking switch
03/23/1982US4321573 Tripping device for a thermal protection relay
03/23/1982US4321440 Circuit breaker with extended contact separation after trip
03/10/1982EP0047221A2 Low-voltage protective circuit breaker with blocking lever
03/10/1982EP0047220A2 Low-voltage protective circuit breaker with blocking lever
03/10/1982EP0046841A1 Operating mechanism for a circuit breaker
03/09/1982US4319210 Current limiting switch capable of rapid circuit breaking
03/09/1982CA1119649A2 Manually and electromagnetically operated circuit breaker
03/02/1982US4318065 Means for actuating electro-magnetic switchgear
02/1982
02/23/1982CA1118821A1 Circuit breaker having a modified armature for time delays at high transient currents
02/17/1982EP0045904A1 Arc-extinguishing chamber
02/16/1982US4316163 Thermal-magnetic circuit breaker
02/10/1982EP0045672A1 Miniature circuit breaker with switching of the neutral line and the phase line
02/09/1982US4315233 Device for shifting a double-throw contact arrangement
02/09/1982US4315231 High-speed circuit breaker
01/1982
01/26/1982US4313098 Circuit interrupter trip unit
01/12/1982CA1116219A1 Compact three-pole circuit breaker
01/12/1982CA1116218A1 Circuit breaker with interchangeable rating adjuster and interlock means
01/12/1982CA1116213A1 Combined thermal and electrical cut-off device
01/12/1982CA1116211A1 Current limiting circuit breaker with high speed magnetic trip device
01/06/1982EP0043020A1 Electric installation device, especially automatic switch
01/05/1982CA1115757A1 Operating mechanism for a circuit interrupting device
12/1981
12/30/1981EP0042778A1 Single-pole and neutral miniature circuit breaker
12/29/1981CA1115365A1 Tap changing electrical connector for static trip circuit breakers
12/23/1981EP0042113A2 Automatic circuit breaker
12/23/1981EP0042056A1 Temperature compensation for highly sensitive permanent-magnetic holding relays
12/22/1981US4307359 Multipole circuit breaker
12/22/1981US4307358 Electromagnetic contactor is fitted with an electromagnet sensitive to over-currents, to cause the limitation and cut-off of excess currents
12/22/1981CA1114867A1 Snap action circuit breaker
12/08/1981CA1113981A1 Multipole electrical circuit breaker with improved interchangeable trip units
12/02/1981EP0041049A2 Protective line switch
11/1981
11/24/1981US4302740 Circuit breaker mechanism
11/18/1981EP0040146A1 Power breaker with remote control of the working threshold
11/17/1981US4301436 Circuit breaker hook apparatus
11/17/1981US4301435 Flux shifter reset assembly
11/17/1981US4301434 Undervoltage release reset and lockout apparatus
11/17/1981US4301433 Circuit breaker electrical closure control apparatus
11/17/1981US4301346 Circuit breaker trip latch assembly
11/17/1981US4301342 Circuit breaker condition indicator apparatus
11/17/1981CA1112692A1 Electromagnetic relay with two biasing springs
11/10/1981US4300110 Trip interlock for static trip circuit breakers
11/10/1981CA1112271A1 Electromagnetic contactor, with electromagnet reacting to overvoltage to limit and exclude overcurrents
11/03/1981US4298852 Circuit breaker with interchangeable rating adjuster and interlock means
11/03/1981CA1111887A1 Circuit interrupter with interlocked removable trip unit
11/03/1981CA1111886A1 Circuit interrupter with interlocked interchangeable trip unit
11/03/1981CA1111882A1 Vacuum circuit breaker with delayed trip operation
11/03/1981CA1111879A1 Mechanical trip device for a circuit breaker
10/1981
10/27/1981US4297664 Electromagnetic overcurrent tripping device with adjustable armature air gap
10/27/1981US4297663 Circuit breaker accessories packaged in a standardized molded case