Circuitron
SD-3 Signal Detector

Circuitron
SD-3 Signal Detector

$24.95
ALL
Scale
  • Walthers Part # 800-5530
    p. 705 2018 HO Scale Reference Book p. 125 2016 N&Z Scale Reference Book

Product Information

Drives any single target tri-color LED-type signal to red, green and amber aspects. Amber hue fully adjustable. May be controlled by three-position switch or automatically by detector circuits such as BD-1 (minimum of three blocks required). 10-18V AC or DC.