Product description:
Square D Low Voltage AC Power Circuit Breaker Type DS-II Cat# DSII-850; 5000 amp frame, 635 volt max, 5000 amp rating plug: RP6D50A5000 RMS610 Trip Unit w/ LS (S63LS) Electrically operated 120V AC - shunt - motor - spring, draw-out. Sold Used As-Is.
EMSCO# AB-2013-19964 Loc: AB7-A1
SKU: DSII850 EMSCO# 19964