Eaton, SBSC4N Magnum SB Insulated Case Low Voltage AC Power Circuit Breaker, 3 Pole, 4000AMP Frame, Trip Unit Power 125VDC, Aux Switches: 4A/4B, With Digitrip 520MC 5ARMLSI, Cat# SBSC4N3HEA40CQN
SBSC4N3HEA40CQNMNN4YNNNFX Circuit Breaker by Eaton, Cutler-Hammer or Westinghouse