Schneider Electric / Square D, Powerpact, type PGL, 3P, 3PH, 1200A, 600V, 35kA@480V, UL listed, standard interrupting capacity, feed-thru, complete with micrologic interchangeable ammeter 6.0A trip, LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions and line & load side lug terminals, solid state electronic.