LN204HANNSNNNDNC, Cutler Hammer, Magnum DS, circuit breaker part, carriages/ cells / cassettes, narrow cassettes for drawout circuit breakers, cassette standard features include an arc hood, provisions for secondary terminal blocks including wiring, and a cell rejection kit, shutters installed, door escutcheon included, unwired, suitable for narrow Magnum DS 4-pole 800-1600A MDN frame low voltage air circuit breakers