Circuitron A 5204 DT-4 Rolling Stock Detector REC_SES_373 There is a double "A"

There is a double "A" function

Norfolk Southern and CSX have rebuilt hundreds of SD40-2s to extend their operating life

of the DFB (Furka Mountain Line Steam Railroad) was given to the MTV (Musée des Tramways à Vapeur)

The wooden sideboard gate doubles as a ladder

some of them double-headed to Regensburg

Circuitron A 5204 DT-4 Rolling Stock Detector REC_SES_373 There is a double "A"Ideal for spotting a hidden train or piece of rolling stock. Four independent detection units combined onto one circuit board, can be used separately or together to control external devices. Supplied with four Opto Sensors that mount between rails to detect movement. When train covers a sensor, the unit activates any connected DC accessory, such as an indicator light on a control panel. Independent sensitivity controls are provided for adjusting each