MDN4083LEA0422NMNGNNNYNCX, Cutler Hammer, Magnum DS, type MDN, drawout mounted, narrow frame, 3P, 3PH, 800A, 400A current sensors and rating plugs, 600V, 42kA@600V, 40°C, bolt-on, manually operated, complete with factory installed 32Vdc UVR, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, load side lug terminals, operations counter, mechanical trip indicator, solid state, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, without shutters, unwired