The HO Scale Märklin #6117 Power Pack Transformer is a vintage analog control system that operates on AC power. With a wattage of 30va and a voltage of 220V, this transformer is designed for use with model railroads and trains in a 1:87 scale. Made of pressed steel and painted in blue, this German-made transformer is a reliable and efficient power supply for your model train layout. The transformer features a plug for easy connection and is compatible with other AC control systems. Perfect for enthusiasts looking to power their collection with a trusted brand like Märklin.  free shipping