2.719" overall length 2.719" overall width elec ratings, ac, 240v max rated voltage, 2.5 amp res curr rating, 5 amp max res curr rating, 120v rating at max rated curr, dc, 300v max rated voltage, 0.2 amp res curr rating, 2 amp max res curr rating, 28v rating at max rated curr; motor 28 vdc; hermetically sealed; four 0.166 in. dia mtg holes on 2.156 x 2.156 in. mtg ctrs