The H&M Safety Minor Variable Transformer Power Unit is a vintage analogue transformer designed for model trains in OO gauge. Made in the United Kingdom, this grey-coloured unit operates on DC power type with a voltage of 12V, providing power and control for your model railway system. Perfect for collectors and enthusiasts looking to enhance their model train setup with a reliable and authentic power source. This unit has been tested and is in working order, including the full and half wave variable switch.
