The product is a single ABB 1SA M40 1901 R1001 auxiliary contact block, designed for use with contactors in electrical equipment and supplies. This specific block has 1 normally open (NO) and 1 normally closed (NC) contact, suitable for building automation and control systems. With a voltage rating of 250V, this auxiliary contact block from ABB is a reliable and high-quality component for industrial and commercial applications. Made in Turkey