Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 240V AC, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center Series EQ, Phase Three, Series Q, Max. AIR Rating 10kA at 120V AC, For Use With Siemens EQ Load Centers, Terminal Connection Lug, Frame Size 125A/QP, Length 3.4 in, Width 3.7 in, Depth 12.8 in, Min. Wire Size 14 AWG, Max. Wire Size 8 AWG