Eaton NSB D15CR31A1B is a 4-pole, electromechanical relay with a 120 V coil rated for 50/60 Hz operation. It features three normally open contacts and one normally closed contact and has a maximum switching voltage of 600 V, allowing multiple circuits to be controlled from a single device. Designed for industrial control panels and automation, this NSB relay provides robust, multi‑circuit switching in a compact package.
