DCC Booster & District Sizing

How many power districts does your layout need? Tell the tool how many locos run at once and the kind you run, and it sizes the boosters against an 80% headroom so simultaneous starts don't trip them.

Each booster is sized to 80% of its rating to leave room for stalls and inrush. Once you know your districts, check each bus run won't sag with the Bus Voltage-Drop calculator. More in the glossary.