DNPL154015, 15-40 Amp, Quad, Push-in circuit breaker, 120V, 10kAIC @ 120V, Cutler Hammer, type BR.  Requires two 1" spaces.  2 x 1 Pole 15A and 1 x 2 Pole 40A.  Factory new.

(1P 15A) - (2P 40A) - (1P 15A)