East Coast Circuits: Traffic Light Grade Crossing Preemption Circuit

This circuit controls traffic lights on roads that parallel railroad track, so that passing trains will trigger a change from green to red at intersections that cross the tracks.

• Input 9-12V AC/DC (Traffic Light Circuit)
• Preemption Dimensions 1/2" X 2"
• Draws approximately 26mA
• Handles Multiple LED based Traffic Lights
• Traffic Light Circuit Equipped with Dual Functions
• Caution & Stop
• Normal Red, Yellow & Green
• Manual & Automatic Triggering
• Trigger Wires Included
• Built-In LED Indicators
• Built-In Resistors for 3V Operation