Circuit Breaker, Lug In, Standard Circuit Breaker Type, Toggle Switch Type, Number of Poles 2, 150 Amps, 600V, AIR Rating 22K, 3 Phase, Box Lug Terminal Connection, Min. Wire Size (AWG) N/A, Max. Wire Size (AWG) N/A, Length (In.) 9.5, Width (In.) 4.5, Depth (In.) 4.0, Fixed Instantaneous Trip, Frame Size FD, Standards UL Circuit Breakers for Siemens Panelboards and SwitchboardsBox lugFXD2and 3-pole: 22kA IR at 600V