Square D™ Miniature Circuit Breaker, QO® Series, 1 Pole, 20 A, 120/240 VAC, 10 kA, Box Lug Connection, 14 to 2 AWG Al/Cu Wire, Unit Mount, 4.05 in H x 0.75 in W x 2.95 in D
QOU miniature circuit breakers are tested and listed according to UL Standard 489 and CSA Standard C22.2 No. 5-02 for molded case circuit breakers and enclosures.