Product description:
Square D MasterPact MP12H1 Circuit Breaker; 1200 amp, 600 volt AC, 3 pole, electrically operated (E/O), draw-out (D/O). With STR58U trip unit, LSI functions, 1200 amp rating plug- cat # 54750, auxiliary switches, over current trip switch, LT alarm, shunt trip, closing release, & motor and "charged" switch. Used tested with report.
MC-CB# 2233 LOC: B5K4