Description You're looking at the AEC Magnetics CES-300-24C, which is 3.0 inches in diameter by 0.75 inches in height, with 1/4-20 mounting threads on 1.0 inch centers. This 24-volt electromagnet draws 18 watts, weighs 3.0 pounds and offers 290 pounds of holding power. These magnets are durable, and are easily controlled by 12- or 24-volt power supplies, with none of the maintenance, noise or air pressure requirements of vacuum cups or grippers. Selecting an AEC DC-power magnet is a smart choice when you lift, position or hold ferrous parts. Complete your electromagnetic solution by selecting an automated power supply from our selection of DC-power supplies.