Digitrax BD4N DCC 4-Block Occupancy Detector ProductID_12146496 This is a Mantua 414003

This is a Mantua 414003 HO Union Pacific EMD GP-20 DCC Ready Diesel Locomotive #475

Model Number: 30-74499

Trainz Product Id: 12464257

Trainz Product Id: 12113006

Trainz Product Id: 12081794

Digitrax BD4N DCC 4-Block Occupancy Detector ProductID_12146496 This is a Mantua 414003This is a Digitrax BD4N DCC 4 Block Occupancy Detector. Low cost, High sensitivity DCC block occupancy detection. Adjustable resistance current detection section (DS) trip threshold. 8A capacity, suitable for all scales and track wiring configurations. Noise resistant and compatible with BDL168 sections. On board status leds for stand alone occupancy and track power indication, expandable for optional LT5 or fascia mounted occupancy indicator leds.