Murray MP220240

CIRCUIT BREAKER, QUADPLEX; (2) OUTSIDE, (2) INSIDE POLE; 120/240 VAC; 40 AMPERE (OUTSIDE POLE), 20 AMPERE (INSIDE POLE); INTERRUPTING RATING 10000 AMPERE; LUG TERMINAL; WIRE SIZE 8 TO 4 AWG (ALUMINUM), 8 TO 6 AWG (COPPER); PLUG IN MOUNTING; SIZE 2 INCH W