CRD316T91W, Cutler Hammer, Series C, type CRD, 3P, 3PH, 1600A, 600V, 65kA@480V, standard interrupting capacity, bolt-on, 100% rated, complete with (LI) Long-Time and Instantaneous trip functions, lugs and rating plug not included, Digitrip RMS 910 solid state electronic, insulated case circuit breakers