Wire Size 12 AWG (Al), 14 AWG (Cu) Miniature Circuit Breaker, 15 A, 120/240V AC, 1 Pole, Bolt On Mounting Style, BL Series.AIR Rating 22kA at 120V AC, For Use With Siemens P1 Panelboards, Terminal Connection Lug, Frame Size 125A/BLH, Length 4 in, Width 4 in, Depth 6 in, Min.