The Allen-Bradley 1489-A3C100 Relay is a high‑voltage control device rated for 480/277 V and capable of switching up to 10 A. Manufactured by Allen-Bradley, it carries the NSMP designation as part of its specification. It is designed for use in industrial control panels to switch AC loads on equipment and lighting circuits that operate at 480/277 V, providing a compliant option for applications requiring a 10 A capacity at these voltages.
