Binary input FIX2 module, KNX BM 12 T KNX – Theben – 4940235 – 4003468490723: Bus system KNX yes, Bus system KNX radio no, Bus system radio bus no, Bus system LON no, Bus system Powernet no, Radio bidirectional no, Mounting method MDRC, Width in division units 8 , With bus connection yes, Bus module removable no, With LED display yes, Number of inputs 12, Input voltage 8..250 V, Type of input voltage AC/DC, External request voltage required yes, Protection class (IP) IP20