Type PD6, Sentron Series Molded Case Circuit Breaker, Interchangeable Trip (Complete Unassembled Breaker with Lugs), 3P, 3PH, 1600A at 40?, 600V at 50/60 Hz, Feed-Through Connection, Line & Load Lugs, Standard Interrupting Ratings: 65kA at 240V, 50kA at 480V, 25kA at 600V (UL), Thermal-Magnetic, With Terminals, Weight: 61.5 lbs/27.95 kg, Dimensions: 9.0 in X 6.19 in X 16.0 in; From Siemens / ITE, SVBC