6FC5357-0BB24-0AA0
NCU 572.4 400MHZ 64MB 6FC5357-0BB24-0AA0

From SIEMENS

SINUMERIK 840D/DE NCU 572.4, 400 MHZ, 64 MB WITHOUT SYSTEM SOFTWARE MEMORY: NC 0.5 MB, PLC 96 KB PREPARED FOR PROFIBUS DP,

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