Description Why select the AEC CES-400M-110C Heavy Duty Round 110-Volt DC electromagnet? This magnet is great for lifting, positioning or holding smooth, flat ferrous surfaces. This magnet is rugged, carefully crafted and 100-percent tested and guaranteed. With 800 pounds of holding power, this 4.0-inch diameter by 1.25 inch in height magnet weighs 7.0 pounds and features a 5/16-18 thread on 1.0-inch centers. It uses our M-style cord, draws 31 watts and 110 volts. This is a popular configuration, but we have many more. Select "View PDF" to see the engineering drawings for this magnet.