Blue Line Molded Case Circuit Breaker, Type BL, 120/240 VAC, 40 A, 60 Hz, 10 kA Interrupt, Thermal Magnetic Trip, 2 Pole, 1, Plug-In Mount, Black, 3 in L x 3-1/4 in W x 1 in H, Standards/Approvals: UL Listed, Applications: For ITE Blue Line loadcenters