Square D NSB 31002-400-40 Starter and Contactor Accessories are genuine components for the NSB 31002-400-40 starter and contactor assembly. The listing notes the unit as EA, indicating a per‑unit quantity. These accessories are designed to complement the NSB 31002-400-40 setup from Square D, providing compatible hardware to support installation, maintenance, or replacement within the starter/contactor system.
