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US4688144A
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Shutter assembly for a motor controller
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US4608545A
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Movable contact arm assembly for a current limiting circuit breaker
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US4649241A
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Solenoid actuated high speed, high current making switch with a movable contact ring
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US4617725A
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Method of making multiple-element strap winding for rotor pole
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US4595896A
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Molded case circuit breaker having a reinforced housing
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US4680564A
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Multi-pole molded case circuit breaker with a common contact operating crossbar member
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US4594567A
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Circuit breaker contact arm assembly having a magnetic carrier
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US4568806A
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Multiple arc region SF6 puffer circuit interrupter
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US4593223A
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Bulb generator stator yoke
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US4513180A
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Circuit breaker operator and interlock
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US4539618A
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Digitally controlled overload relay
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US4517623A
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Concealed-fastener panelboard front and clamping latches
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US4481387A
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Voltage isolater switch with pivoted contact assemblies
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US4516185A
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Time ratio control circuit for contactor or the like
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US4516005A
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Sequenced intermittent blowout coil controller
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DE3311240A1
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Monitoring apparatus with a switching device
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US4513267A
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Stationary contact strap to achieve a current limiting blow-off effect
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US4488133A
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Contact assembly including spring loaded cam follower overcenter means
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US4484164A
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Braidless movable contact with wiping action
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US4612617A
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Method and apparatus for monitoring instantaneous electrical parameters of a power distribution system
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