Patent ID: 6043439
Filing Date: 2000-03-28
Classification: H01H

Abstract:
An apparatus for interlocking horizontally adjacent first and second circuit breakers and preventing the first and second circuit breakers from simultaneously being in a closed operating position, the circuit breakers each having a pivotable actuating handle movable within a plane between a closed operating position which is proximal to the other circuit breaker, and a open non-operating position which is distal to the other circuit breaker, said apparatus comprising:a housing disposed between said first and second circuit breakers;an interlock bar slidably retained in said housing;said interlock bar having a first arm extending from said housing toward said first circuit breaker and a second arm extending from said housing toward said second circuit breaker; andsaid interlock bar being slidable between a first position where said first arm of said interlock bar prevents said first circuit breaker handle from pivoting into said closed position and a second position where said second arm of said interlock bar prevents said second breaker handle from pivoting into said closed position.