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SIEMENS
6ES5 521-8MA21
SIEMENS 6ES5 521-8MA21
communication module
Factory sealed
New in original manufacturer’s packaging with intact/unbroken factory seal. The item usually has a current series/version and manufacture date.
Factory sealed (from surplus)
New in original manufacturer’s packaging with intact/unbroken factory seal.
New in open original or neutral packaging
New in open original packaging or securely packed in neutral packaging.
Refurbished
Used and refurbished. The item is in very good condition and securely packed in neutral packaging.
Used
Used, cleaned and inspected. The item is in very good condition and securely packed in neutral packaging.
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NEW
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FS
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USED
SIMATIC S5, CP 521 SI COMMUNICATIONS PROCESSOR (SERIAL INTERFACE) FOR S5-90U/95U/-100U, ET 200U
Product Specifications*
*Information provided without warranty of any kind
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