Miniature Circuit Breaker, Amps 50 A, AC Voltage Rating 120V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Bolt On, Phase Single, Series BQ, Max. AIR Rating 10kA at 120V AC, For Use With Siemens Panelboards, Terminal Connection Lug, Frame Size 125A/BQ, Length 4 in, Width 1 in, Depth 3 in, Min. Wire Size 8 AWG, Max. Wire Size 4 AWG (Al), 6 AWG (Cu), Standards CSA Certified, HACR Rated, UL Listed