Square D™ Miniature Circuit Breaker, E-Frame Series, 1 Pole, 20 A, 277 VAC, 65 kA, 875 A Trip, Lug Connection, 12 to 6 AWG Al, 14 to 6 AWG Cu Wire, Bolt On Mount, For Use With: NF Series Panelboards, 5.66 in H x 0.98 in W x 4.05 in D
Connection: LUGS 12 TO 6 AWG (AL), 14 TO 6 AWG (CU); Standard: UL Listed/CSA Certified