This board is normally used for block detection on three rail layouts. This version of the board includes internal current limiters. Useful anyplace that an external voltage needs to be monitored. (5V-20V AC-DC-DCC)
RR-CirKits, Inc OI-IB-8 – Opto Isolator – Input Board – 8 Line, Rev E – Multi Scale
$23.28 Original price was: $23.28.$16.30Current price is: $16.30.
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