Square D EDB14020

BRANCH, THERMAL MAGNETIC; 1 POLE; 120/240/277 VAC AT 50/60 HZ (UL/CSA); 20 AMPERE AT 40 DEG C; INTERRUPTING RATING 25 KILOAMPERE AT 120 VAC, 18 KILOAMPERE AT 120/240/277 VAC; WIRE SIZE 14 TO 6 AWG (ALUMINUM/COPPER); BOLT ON MOUNTING