CRDC320T35RW, Cutler Hammer, Series C, type CRDC, 3P, 3PH, 2000A, 600V, 100kA@480V, high interrupting capacity, bolt-on, 100% rated, (LSG) Long-Time, Short-Time and Ground Fault trip functions, Digitrip RMS 310 solid state electronic, complete with Nema 3R free standing enclosure, insulated case circuit breakers