Used on guided missile, intercept. elec rating 28 vdc max voltage, 2 amp nom current rating; motor:115 vac, 400 hz; 2 terminals for motor/3 for contacts; hermetically sealed; o/a dims. excl terminals 2.718 in. lg, 2.718 in. w, 3.750 in. h; four 0.166 in. dia mtg holes on 2.156 x 2.156 in. mtg ctrs; weapon system essential