Weidmueller S-4L+9-1000/16

S-4L+9-1000/16 appears to be a model or part number, likely related to an industrial component such as a belt, pulley, or transmission system part. The designation may indicate specific dimensions, load capacity, or operational characteristics. It is possibly used in machinery, automation, or mechanical systems requiring precise motion control. More details about its function and industry application would help refine the description further.