Circuit Breaker

PAT. NO. Title
851 5,763,848 Electrode for vacuum circuit breaker
852 5,762,182 Current limiting circuit breaker
853 5,761,026 Snap-on circuit breaker mounting system
854 5,753,878 Circuit breaker having variable arc gas venting
855 5,753,877 Circuit breaker terminal tubulator protection assembly for diverting discharged ionized gasses
856 5,750,950 Hydraulic drive device for circuit breaker and circuit breaker using the same
857 5,750,949 Metal-encapsulated, gas-insulated high-voltage circuit-breaker
858 5,749,751 Circuit breaker
859 5,744,772 Molded case circuit breaker with arc suppressant features including magnetically permeable arc horn mounted on the contact arm
860 5,744,768 Locking plate for stab terminal for front access circuit breaker
861 5,742,219 Switchable circuit breaker
862 5,742,017 Circuit-breaker provided with a closure resistance having an insertion assembly
863 5,740,003 Circuit breaker shunt trip accessory with mechanical override
864 5,739,495 Puffer-type circuit breaker and nozzle emitting gas with coaxial abutting plastic tube
865 5,736,861 Circuit breaker tester
866 5,736,704 Circuit-breaker with grounded metal enclosure
867 5,734,140 Gas insulated high voltage circuit breaker including tulip contact assembly and insertion resistor
868 5,732,815 Circuit breaker lockout device
869 5,731,560 Operating mechanism of a circuit breaker with a locking system disengageable on a short circuit
870 5,728,989 Insulation gas filled circuit breaker
871 5,726,848 Fault current limiter and alternating current circuit breaker
872 5,726,843 Current limiting circuit breaker
873 5,725,085 Interlock arrangement for circuit breaker compartments
874 5,723,841 Circuit breaker having arc gas suppressing barrier on a movable contact
875 5,723,839 Gas circuit breaker
876 5,723,836 Operation mechanism of circuit breaker
877 5,719,738 Circuit breaker remote closing operator
878 5,719,363 Mechanical switching device such as a circuit breaker and a safety device for the circuit breaker
879 5,718,328 Current limiting circuit breaker
880 5,717,184 High-voltage circuit-breaker that inserts a resistance on closure
881 5,710,513 Circuit breaker testing apparatus having adjustable inductor for controlling magnitude of current flow
882 5,706,154 Residential circuit breaker with arcing fault detection
883 5,701,110 Circuit breaker accessory module
884 5,701,070 Electrical generator damage protection apparatus and method with circuit breaker trip initiation
885 5,697,150 Method forming an electric contact in a vacuum circuit breaker
886 5,694,288 Mounting arrangement for mounting a circuit breaker to a rail
887 5,694,101 Circuit breaker
888 5,692,599 Toggle spring for a circuit breaker
889 5,691,869 Low cost apparatus for detecting arcing faults and circuit breaker incorporating same
890 5,691,521 Vacuum circuit breaker with improved contact assembly
891 5,687,835 Drive for an electric high voltage circuit-breaker
892 5,686,709 Modular trip bar assembly for multipole circuit breaker
893 5,684,443 False-trip-resistant circuit breaker
894 5,684,282 Drawout circuit breaker, position switch and reset arrangements
895 5,680,081 Circuit breaker having double break mechanism
896 5,677,657 Circuit breaker
897 5,675,303 Molded case circuit breaker accessories
898 5,673,786 Circuit breaker bell alarm reset mechanism
899 5,670,922 Circuit breaker magnetic trip unit
900 5,668,691 Arrangement for gas circuit breaker with reactor and capacitor connected in series and method for setting its circuit parameter
Circuit breaker interlock unit to prevent single phasing
Electrical equipment enclosure including transfer switch and load circuit breaker assembly
Lockout device for circuit breaker
Circuit breaker explosion stress absorber
Electric circuit breaker
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