Eaton, Magnum SB Low Voltage AC power Circuit Breaker, 3 Pole, 1200 Amp Frame, 50/60Hz, OTS Bell Alarm, Trip Unit Power 120 VAC 50/60Hz, Auxilary Switch 4A/4B, Cat# SBS6123WEA121GAMNN4YNNNAX
SBS6123WEA121GAMNN4YNNNAX Circuit Breaker by Eaton, Cutler-Hammer or Westinghouse