The Maplin Regulated DC Power Supply (XM19V) is a black transformer designed to supply power in DC format, with a voltage of 230V. Ideal for model railways and trains, this Maplin power supply is a reliable choice for collectors looking to power their miniature railway systems with consistent and regulated power. The XM19V model is known for its efficiency and durability, making it a popular choice among enthusiasts who require precise control over their railway's power supply.