The NATIONAL CONTROLS part Q1T-00005-317 is a versatile Time Delay Relay suitable for various applications. With a compact size of 50.8mm x 50.8mm x 31.75mm, it is designed for easy surface mount installation. This relay operates with both 24VDC and 24VAC power inputs, providing flexibility in compatibility with different systems. With a maximum current rating of 1A, it is capable of handling moderate power loads. Its time delay feature allows for precise control and automation in a wide range of industrial and commercial setups. Trustworthy and durable, this National Controls time delay relay is a reliable option for your circuitry needs.