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Search references connected to Siemens. Every public part page routes to a wholesale enquiry; no cart, checkout, or public pricing.
Siemens SIMATIC S5 communications module, part number 6ES5521-8MB11.
Siemens SIMATIC S5 communications module, part number 6ES5521-8MB12.
Siemens SIMATIC S5 communications processor, part number 6ES5523-3UA11.
Siemens SIMATIC S5 communications processor, part number 6ES5524-3UA15.