'Bolt On Circuit Breaker, 150 Amps, Number of Poles 3, Circuit Breaker Type High Interrupting Capacity, AC Voltage Rating 240VAC, DC Voltage Rating Not Rated, For Use With Square D NQOD Panelboards, Series QOB, Terminal Connection Lug, Max. AIR Rating 22 kA, Frame Size 100A/QO, Min. Wire Size 4 AWG, Max. Wire Size 300 kcmil, Length 3.50 In., Width 2.25 In., Depth 2.91 In., Standards UL Listed, CSA Certified'