Eaton, Magnum SB, SBSC30 Insulated Case Low Voltage AC Power Circuit Breaker, 3 Pole, 3000AMP Frame, Accessories: Trip Unit Power: 120VAC 50/60Hz, Missing Trip Unit, Cat# SBSC202HEA30CMNMNNNNPNNAX
SBSC303HEA30CMNMNNNNPNNAX Circuit Breaker by Eaton, Cutler-Hammer or Westinghouse