Functional Device RIB® 1-Phase Control transformer has primary voltage rating of 480/277/240/120 Volt AC and secondary voltage rating of 24 Volt AC. This transformer with frequency rating of 50/60 Hz, has power rating of 50 VA. This transformer has pigtail terminal connection at primary and 8-Inch lead terminal connection at secondary. Transformer features split-bobbin construction. It supports foot and dual threaded hubs mounting. It measures 3.475 Inch x 2.513 Inch x 3.014 Inch. Transforme