Product description:
Square D MasterPact MP16H1 Circuit Breaker; 1600 amp, 600 volt AC, 3 pole, draw-out (D/O), electrically operated (E/O). With STR58U trip unit, LSI functions, 1600 amp rating plug- cat # 54754, auxiliary switches, over current trip switch, alarm LT, shunt trip, closing release, under voltage release, & motor and "charged" switch. Used tested with report.
MC-CB# 2231 LOC: B5L4