MDN4083LEA0422NMNJNENNDPX, 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 480Vac UVR, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, load side lug terminals and latch check switch for external wiring, solid state, low voltage power insulated case circuit breakers, ships in drawout narrow breakers without shutters, pre-wired