Description AEC Magnetics’ heavy-duty model round electromagnet offers off-the-shelf convenience with custom-quality variety. Choose your size, height, weight and so much more. Click on a part number or .pdf file for technical drawings of each magnet. Selecting an AEC DC-power magnet is a smart choice when you are lift, position or hold a ferrous material with a smooth, flat surface. See AEC AC-power electromagnets for pieces that may not come in full contact with the pieces you are moving, lifting or holding