FEN-31 ABB module [caption id="attachment_3775" align="aligncenter" width="600"] FEN-31[/caption] [caption id="attachment_3776" align="aligncenter" width="600"] FEN-31[/caption] Part No. : FEN-31 Manufacturer: ABB Function: encoder Fen-31 in stock, same day delivery. Fen-31 is in unused and rebuilt condition. Manufacturer: ABB Part catalog: FEN-31 Product type: encoder The product description The driver and adjacent devices must be