TIMERS & CONTROLS-The 12th Edition of firm's Solid State Timers and Controls catalog contains 352 pages and serves as a product selection guide and application manual to provide clear, concise data, and application tips. A revised product selection guide, organized by mode of operation and containing more than 150 controls, speeds the selection of time delay relays, solid state timing modules; flashers, HVAC/R timers and controls, three-phase voltage monitors, ac current sensors, alternating relays, liquid level controls, vending controls, solid state relays, and more. A new products section has been added, along with application notes, a colorful plant tour, and information about firm's quality control and custom product design programs. Each section of the guide has its own selection chart and double indexing and sectional tabs streamline reference time.