Miniature Circuit Breaker, Amps 45 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center Series P1, Phase Single, Series BL, Max. AIR Rating 65kA at 120/240V AC, For Use With P1 Panelboards, Terminal Connection Lug, Frame Size 125A/HBL, Length 2 in, Width 3 in, Depth 3 in, Min. Wire Size 8 AWG, Max. Wire Size 4 AWG (Al), 6 AWG (Cu)