EATON MOTOR CIRCUIT PROTECTOR 400 AMPS 3 POLES 600 VAC 250 VDC INSTANTANEOUS TRIP SETTINGS A=2000 I=4000 WITH AUXILIARY SWITCH A1X3PK 600 VAC 50/60 HZ 6.0 AMPS CAT# HMCP400X5WA06
HMCP400X5WA06 Circuit Breaker by Eaton, Cutler Hammer or Westinghouse