Circuit Breaker

PAT. NO. Title
1851 4,677,264 Contact material for vacuum circuit breaker
1852 4,675,640 Line terminal assembly for a circuit breaker
1853 4,675,635 Electromagnetic structure for a circuit breaker
1854 4,675,484 Gas-blast circuit breaker
1855 4,673,779 Low-voltage circuit breaker including a current transformer
1856 4,672,501 Circuit breaker and protective relay unit
1857 4,672,351 Cassette type circuit breaker
1858 4,672,157 Low voltage circuit breaker with improved breaking
1859 4,667,269 Circuit breaker support saddle having a split neutral connector
1860 4,667,268 Molded case electric circuit breaker mounting assembly
1861 4,667,263 Ground fault module for ground fault circuit breaker
1862 4,667,175 Overload protective circuit breaker
1863 4,667,072 Gas-insulated circuit breaker
1864 4,665,289 Puffer type gas insulated circuit breaker
1865 4,663,606 Bimetal circuit breaker
1866 4,660,012 Polarized electromagnetic relay with magnetic latching for an electric circuit breaker trip release
1867 4,659,966 Rapid-start fluorescent lamp integrated circuit breaker structure and manufacture
1868 4,656,446 Current limiting circuit breaker with series double break contact system per pole
1869 4,656,444 Circuit breaker with force generating shunt
1870 4,656,396 Fluorescent lamp circuit breaker with low contact resistance
1871 4,655,098 Drive mechanism for a circuit breaker using eccentric member and directional lock
1872 4,654,614 Current limiting solenoid operated circuit breaker
1873 4,654,491 Circuit breaker with contact support and arc runner
1874 4,654,490 Reverse loop circuit breaker with high impedance stationary conductor
1875 4,653,827 Circuit breaker apparatus
1876 4,652,975 Mounting arrangement for circuit breaker current sensing transformers
1877 4,652,867 Circuit breaker indicator
1878 4,651,554 Circuit breaker lock forming tool
1879 4,650,946 Circuit breaker with stop plate for contact arm
1880 4,650,944 Molded case circuit breaker with an improved operating mechanism having a pivot-transfer trip-free linkage
1881 4,650,942 Compressed gas high tension circuit breaker, requiring low operating energy
1882 4,650,941 Compressed gas, high tension circuit breaker, with operating energy assisted by the thermal effect of the arc
1883 4,650,940 Circuit breaker with arc gas vent baffle
1884 4,650,938 Arc chute for a circuit breaker
1885 4,650,272 Circuit breaker line terminal screw retainer
1886 4,650,085 Enclosure structure for circuit breaker assemblies and similar apparatus
1887 4,649,455 Rating plug for molded case circuit breaker
1888 4,649,244 Control device of an electric circuit breaker
1889 4,649,243 Double-acting, compressed gas, high tension circuit breaker with actuating energy assisted by the thermal effect of the arc
1890 4,649,242 Stationary contact assembly for a current limiting circuit breaker
1891 4,647,893 Rapid-start fluorescent lamp having a bimetal circuit breaker with leg portions of unequal length
1892 4,646,200 Circuit breaker support saddle with removable phase barriers
1893 4,646,199 Adapter for molded case circuit breaker support saddle
1894 4,646,198 Molded case circuit breaker modular support assembly
1895 4,645,891 Molded case circuit breaker with a movable electrical contact positioned by a spring loaded ball
1896 4,645,890 Molded case circuit breaker with a movable electrical contact positioned by a camming leaf spring
1897 4,644,438 Current-limiting circuit breaker having a selective solid state trip unit
1898 4,644,312 Circuit breaker
1899 4,644,307 Current limiting type circuit breaker
1900 4,644,122 Molded case circuit breaker with combined position indicator and handle barrier
Dead tank type gas circuit breaker
Multi-phase circuit breaker with interphase barrier retention
Contact material for vacuum circuit breaker
Circuit breaker contact arm with variable force pivot
Contact arrangement for a current limiting circuit breaker
Spiral arc circuit breaker
Molded case circuit breaker with movable upper electrical contact positioned by tension springs
Interlock arrangement for circuit breaker compartments
Circuit breaker control device
Time-delay current sensing circuit breaker relay
Power circuit breaker with opening and closing mechanisms
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