The CM111 Bulletin Severe Duty Motors are alternating current motors, 3/4...700 Hp. Characteristics include: 3600, 1800, 1200, 899 revolutions per minute, 575/460/230/208 volts AC, Variable velocity ranges of CT 4:1, CT 2:1, CT 10:1, CT 1000:1, CT 20:1, VT 10:1, sine wave, lagging system constructed from category F fabrics, Totally-enclosed-fan cooled, Totally-Enclosed-Non-Ventilated enclosures, structure built of cast iron or rolled steel, IP54 compound, damp setting, power competent, best, National Electrical Manufacturers Association premium. Manufactured goods include CM111 Severe Duty alternating current Motors.