Miniature Circuit Breaker, Amps 40 A, AC Voltage Rating 240V AC, Circuit Breaker Type Ground Fault Circuit Interrupter, Number of Poles 3, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center Series NQ, QO, Phase Three, Series QOB, Max. AIR Rating 10kA at 240V AC, For Use With QO Load Centers and NQ Panelboards, Terminal Connection Lug, Frame Size 100A/QO, Length 4.12 in, Width 2.25 in, Depth 2.91 in