BQC220220 THERMAL MAGNETIC, COMMON TRIP, QUADPLEX; 2 POLE; 120/240 VAC; 20 AMPERE (OUTSIDE POLE, CENTER POLE, COMMON TRIP POLE); INTERRUPTING RATING 10 KILOAMPERE; WIRE SIZE 14 TO 4 AWG (ALUMINUM/COPPER); APPROVAL UL 489; USED ON LOAD CENTER; BQC MODEL