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A power supply is needed
to supply your Digitrax DCC system. This power supply will be
responsible for powering all locomotives on the layout at one
time. So generally this will need to be heavier duty than a normal
single unit power pack. The power supply needs to put out at least
12 volts, either AC or DC. Maximum is 22 volts AC or 28 volts
DC.
Each Digitrax booster
unit will handle up to 5 amps of power (some have even greater
capacity). Digitrax has released a fully assembled power supply,
the PS515. This supply delivers 5 Amps at 15 volts AC.
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