Description Choose a CEA-300M-110C Heavy Duty Round 110-Volt DC electromagnet to lift, position or hold ferrous materials that are smooth and flat. This magnet is 3.0 inches in diameter, 2.0 inches in height with 1/4-20 threads on 1.0-inch centers. This workhorse delivers 440 pounds of holding power but weighs only 3.9 pounds. It draws 20 watts on 110 volts and uses an M-style cord. Every AEC electromagnet is made here, in our Cincinnati factory, and each one is tested before shipping. Click on the View PDF link below to see its engineering drawing. We welcome your questions, please call (800) 635-3954.