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Listed in ALL Scales, category: Signals & Detection Units Detection Units & Accessories

Circuitron
Simple Circuits(TM)

SA-1 Block Signal Animator
Walthers Part # 800-5540, p. 266 Walthers 2014 HO Scale Reference
A scale, $22.95, not currently in stock at Walthers, Expected: TBA

 
Complete, simple detection with timed three-color block signal animation. Signal turns red as train passes. After last car clears signals, adjustable time delay starts (up to 30 seconds). After time delay, signal then turns yellow. After another adjustable time delay, the signal goes back to green. For 2-rail DC or 3-rail AC track power in all scales.
 
For three-lamp (red, yellow and green) or LED-type signals and 2-rail DC track power. DCC compatible, LED-type signals require common positive (anode) connection of all LEDs. Provided with Opto-Sensor. Three outputs can control 250mA each. Adjustable for room-light intensity. 10-18V AC or DC input.
 

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