Used condition; may have wear and age related marks. See pics for condition / what’s included / testing conducted. Siemens SIMATIC S5 6ES5 451-8MR12 Relay Output Module Photographs identify Siemens SIMATIC S5 relay output module 6ES5 451-8MR12, Made in Germany. Exact part number and relay-output markings are retained. Condition: Used industrial surplus item with possible age, storage and cosmetic wear. Untested unless explicitly stated; see photographs for exact condition and included parts. Please match the exact part/model/configuration and photographed connectors/specification to your application before purchase. Includes x1 Siemens SIMATIC S5 6ES5 451-8MR12 module as photographed.