The MPD 208B is a 12 AMP three phase 2 "U" (3.5") high , 6 inches deep and 19" rack mounted power distribution unit. On the front are two NEMA 5-15 R Unswitched receptacles. On the rear are two more Unswitched NEMA 5-15R receptacles. Also on the rear are six Switched NEMA 5-15R and one Switched NEMA L21-20 R. The switched receptacles are operated by the remote function. See specs below.