Siemens 6ES5490-8FB11 is a front-connector extraction device for the SIMATIC S5 490 front connector, used to remove spring contacts from the 490 interface that serves S5-90U, S5-95U, S5-95F, and S5-100U controllers. The 490 front connector is a 40-pole interface for connecting external circuits to these S5 CPUs, and 6ES5490-8FB11 is a Siemens service tool designed for servicing that connector. Manufactured in Germany, this part is listed with an end-of-life date of October 1, 2022 in Siemens-related catalogs, reflecting its status as legacy tooling for the S5 family.
