The CIRCUITRON AR-1 is an excellent automatic polarity reverser perfect for point-to-point layouts, displays, test tracks, or reverse loop setups. It uses an integrated circuit design and can safely handle up to 5 amp loads, suitable for almost all scales. Built on a 2” x 3” printed circuit board, it needs a filtered 12 - 15 volt DC supply to work properly. It comes with 2 Opto-Sensors for most normal hookups. You can add push buttons for manual reversing if you want. Part # 800-5400 AR-1 Automatic Reverse Circuit. (ALL SCALES)

Using the CIRCUITRON AR-1 is easy. First, make sure you have a filtered 12 - 15 volt DC supply ready. Connect it to the 2” x 3” printed circuit board. It's great for different setups like point - to - point layouts. The 2 Opto - Sensors it comes with are enough for most normal connections. If you want to do manual reversing, you can add push buttons to the circuit. Remember, it can handle up to 5 amp loads, so don't exceed this limit. Keep it in a dry place to avoid damage. If you notice any issues, check the power supply and connections first.