CRD316T77W, Cutler Hammer, Series C, type CRD, 3P, 3PH, 1600A, 600V, 65KA@480V, standard interrupting capacity, bolt-on, 100% rated, complete with (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