CRD320T54W, Cutler Hammer, Series C, type CRD, 3P, 3PH, 2000A, 600V, 65KA@480V, standard interrupting capacity, bolt-on, 100% rated, complete with (LIG) Long-Time, Instantaneous and Ground Fault trip functions, lugs and rating plug not included, Digitrip RMS 510 solid state electronic, insulated case circuit breakers