'Bolt On Circuit Breaker, 50 Amps, Number of Poles 2, Circuit Breaker Type Shunt Trip, AC Voltage Rating 240VAC, DC Voltage Rating 48VDC, For Use With Square D NQOD Panelboards, Series QOB, Terminal Connection Lug, Max. AIR Rating 10kA, Frame Size 100A/QO, 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'