Product description:
Square D NW12HF MasterPact Automatic Switch; cat# BL3CCVSSX9CFBFXXCA, 1200 amp, 600 volt AC, 4 pole, manually operated (M/O), fixed-mount (F/M). With spring charging motor: 100-130 volts AC, shunt trip: 24-30 volts AC/DC, closing coil: 100-130 volts AC/DC. Used tested with report.
MC-CB# 2052 -- LOC: S4F2 MC-CB # 2382 -- LOC: AB4-T2