• SIMATIC S7-400, SM 421 Digital Input Module, OPTIC. ISOLATED, 16 DI, 120/230V AC

6ES7421-1FH00-0AA0 Siemens

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SIMATIC S7-400, SM 421 Digital Input Module, OPTIC. ISOLATED, 16 DI, 120/230V AC

Siemens 6ES7421-1FH00-0AA0 SIMATIC S7-400, SM 421 Digital Input Module, OPTIC. ISOLATED, 16 DI, 120/230V AC

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