440 v, 3 phase, 60 hz, ac, size 0, 5 max hp, continuous duty, across the line type, 50 degrees c ambient temp, watertight inclosure, marked low high off reset, 2 n850 contactors, 2 n750 overload relays, 1 panel, 21.100 in. O/a lg, 15.400 in. O/a w, 9.000 in. O/a h with door closed, 21.580 in. O/a h with door opened, four 21/32 in. Diameter mtg holes on 20.000 in. By 10.500 in. Mtg centers