The Frigidaire Professional Series 30 Electric Cooktop. The expanding element on this electric cooktop gives you more versatility and convenience, so you can find just the right size for your needs. Its so easy to keep the smooth surface clean; all you need to do is wipe up spills to keep this looking new. Powerful 9-inch 3100W element rapidly heats meals. Hot surface indicator lights keep you and your family safe. Expandable element offers more cookware versatility. Smooth radiant glass makes wiping up spills a snap.