The Electric Saver 1200 is designed for residential homes. The Electric Saver 1200 is designed to save you money every month on your Power Bill. It is installed near your Electric Panel in your home. The Electric Saver 1200 is a panel unit (single phase) which is designed to lower your Electric Bill, increase the life of your appliances and motors, and protect your home from power surges (up to 2000 joules of heat).