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6ES7421-5EH00-0AA0
Product Code: 346
![6ES7421-5EH00-0AA0](https://images.findtheneedle.co.uk/findtheneedle/products/2925412.jpg)
Simatic S7-400, Digital Input SM 421, 16 DI, 120 V AC, Optic. Isolated With 1 Common Point
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