Product description:
Square D NW40H2 MasterPact circuit breaker; cat# YA5KJR44A9SXFXXXXA, 4000 amp, 600 volt AC, three pole. With Micrologic 6.0 amp trip unit, LSIG functions, ground fault, 3200 amp rating plug, key interlock, shunt trip: 100-130 volt AC/DC. manually operated (M/O), draw-out (D/O), used tested with report.
MC-CB# 1931 LOC: S4A2