Product description:
Allis Chalmers MA-250C-1 Ruptair Power Circuit Breaker; Rated Max. volts: 4760 rated, amps: 2000, cycles: 60 rated, Range K Factor: 1.24 interrupting, time: 5 cycles, used in Type D Switchgear. Electrically operated, draw-out. Used As-Is.
EMSCO# AB-2013-19595 LOC: AB10-C1