Digitrax BD4N 4 Block Occupancy Detector N American Locos U-joint pins are held captive

U-joint pins are held captive — no risk of losing a pin

a 60mm-thick glacis and a ball-shaped muzzle brake

and otherworldly landscapes

(excellent for hard surfaces)

Digitrax BD4N 4 Block Occupancy Detector N American Locos U-joint pins are held captiveThis is the Digitrax BD4N 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. Plug