Product description:
Westinghouse DS-306 low voltage AC power circuit breaker; 800 amp frame, 600 amp rating plug (PD6D06A060), 600 volt. Manually operated, draw-out, Digitrip RMS500 #T54CLIG with LIG functions. Used electrically OK.
EMSCO #AB-2014-20627 LOC: AB6-L3