The NATIONAL CONTROLS part Q3T-00600-321 is a versatile Time Delay Relay designed for a wide range of electrical applications. With a compact size of 50.8mm x 50.8mm x 31.75mm, this relay is suitable for surface mount or screw mount installations. It operates on 120VAC and has a maximum current rating of 1A, providing reliable and efficient performance. This Time Delay Relay is perfect for controlling time-based functions in various industrial and commercial systems, ensuring precise and accurate timing operations.