Product description:
Square D DSII-616 low voltage AC power circuit breaker; type DS-II, 1600 amp frame, 635 volt max, 1600 amp rating plug: RP6D16A160, RMS610 trip unit with LS functions (S63LS). Manually operated, draw-out. Sold used as is.
Emsco #20249 LOC: AB7-H3