Circuit Breaker, roll in vacuum replacement breaker for GE model AM-4.16-250 rated 1200A, 125vdc trip/close/spring charge. ABB type RMVAC with AMVAC magnetic operating mechanism including operator for 52STA (MOC) switch in cubicle. Compatible with original GE wiring diagram 0227A1000P041. See ABB leaflet 9AKK107492A5168 REV B 20.06.2019 for additional details.