'Plug In Circuit Breaker, Amps 50, Number of Poles 2, Circuit Breaker Type Shunt Trip, AC Voltage Rating 120/240VAC, DC Voltage Rating 48VDC, For Use With QO Load Centers and NQOD Panelboards, Series QO, Terminal Connection Box Lug, Min. Wire Size 8 AWG, Max. Wire Size 2 AWG, Length 3.00 In., Width 2.25 In., Depth 2.91 In., Standards UL Listed, CSA Certified, Max. AIR Rating 10kA'