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6ES7421-1BL00-0AA0
Price as of: 139,50 EUR, SIEMENS 6ES7 421-1BL00-0AA0 SIEMENS SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE OPTIC. ISOLATED, 32 DI, 24V DC ( 6ES74211BL000AA0 6ES7 4211BL000AA0 )
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