CRDC316T77W, Cutler Hammer, Series C, type CRDC, 3P, 3PH, 1600A, 600V, 100kA@480V, high interrupting capacity, bolt-on, 100% rated, (LSIA) Long-Time, Short-Time, Instantaneous and Ground Fault Alarm trip functions, lugs and rating plug not included, Digitrip RMS 710 solid state electronic, insulated case circuit breakers