Allen-Bradley SS-B1-VU is a changeover contact assembly described as an "assembly for machine" under the part SS-B1-VU. Supplier listings identify it explicitly as a changeover contact assembly (Model Number: SSB1VU). It is listed as discontinued by the manufacturer and currently out of stock, with available units coming from surplus or refurbishers. This accessory is used with Allen-Bradley safety switch configurations on industrial equipment, providing the dual-throw contact function that interfaces with safety interlock circuits.
