Product description:
Square D DS-840 low-voltage AC power circuit breaker; 4000 amp frame, 4000 amp sensors, 600 volt. Electrically operated, draw-out, 120 volt AC shunt trip, 120 volt AC close circuit, Amptector II-A Model TR with LSI functions. Used electrically OK.
EMSCO #AB-2014-20673 LOC: AB6-O2