The Reliance Controls CSR302 Easy/Tran Transfer Switch installs quickly and easy to use. It is ideal for controlling single-circuit farm buildings, irrigation systems, community wells, telecommunication substations, traffic signals, commercial garage doors, cell towers, sewer and water lift stations, septic pumps, industrial sump pumps, electric water heaters, electric heat and much more. The transfer switch ensures that you can safely use back up power during a power outage without having to worry about back feeding the utility line. In an emergency situation you might not think to shut off the main power source, the transfer switch makes it so you do not have to worry about that. Since 1909, Reliance Controls Corporation has contributed more innovations that any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators and inverters. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.