The Samlex Regulated DC Power Supply with Short Circuit Protection is a reliable and efficient transformer designed for model railways and trains enthusiasts. This power supply, model RPS - 1202HQ, provides steady and controlled DC power to your collection, ensuring smooth operation and safety for your model railway systems. The short circuit protection feature adds an extra layer of security to your setup, making the product a must-have for any model railway enthusiast looking for a dependable power supply solution. Excellent condition in its original box. Any questions please ask