The PHOENIX CONTACT part REL-MR-120AC/21-21 is a high-quality, plug-in miniature power relay designed for various industrial applications. This relay features a power contact with 2 PDTs (single make and double break contacts), providing reliable switching capability for your electrical circuits. It operates at an input voltage of 120 V AC, making it compatible with standard power supplies. With its compact and user-friendly design, this relay is easy to install and offers superior performance and durability. Trust in the exceptional quality of PHOENIX CONTACT to meet your power relay needs.