Digitrax Zephyr Xtra

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The Digitrax Zephyr Xtra is an upgraded, 3.0 Amp version of the Zephyr. Digitrax offers this as a basic, entry level starter set.

Launched in 2002, Zephyr is Digitrax's all-in-one entry level DCC system. Digitrax upgraded this set to the Zephyr Xtra in 2011. The Xtra has extra keys and additional functions. The older Zephyr/DCS50 is not upgradeable to this model (DCS51).


The Digitrax Zephyr Xtra comes with the following in the set

  • DCS51 Throttle/Command Station/Booster
  • Power supply

Plus the Loconet tester and manuals.


  • Large speed control knob
  • Direction switch with brake.
  • Full numeric key pad
  • Large easy to read LED display
  • Two and Four digit addressing capability.

Jump Ports: Up to two DC (analog) power packs can be employed as additional throttles


Three Amp output

Up to 9983 addresses

Two or Four digit addressing

Thirty functions available

Address 00 available

Consisting: UniVersal, Basic and Advanced

Twenty slots


Supports Page, Direct and Register modes.

Operations mode.

Blast Mode (For sound decoders).

Additional Information

Digitrax released a software update for the DCS51/Zephyr Xtra in July 2015.

Power Supply

The power supply (PS314) for the Xtra is not available as a separate item.

The specifications are an output of 13.8VDC at 3.8A If a new supply is needed, verify the requirements by checking the manual.