Simatic S7-400, SM421, 32DE; 24VDC - 6ES7421-1BL01-0AA0 - Siemens
 "6ES7421-1BL01-0AA0")
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6ES7421-1BL01-0AA0Manufacturer Brand
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Simatic S7-400, SM421, 32DE; 24VDC - Siemens
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6ES7421-1BL01-0AA0 Siemens