Challenger (DB100)

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Command Station:

Digitrax: Challenger (DB100)

Summary: The DB100 (retired in 1995) and DB100A (retired in 1998) supported up to 4.5 amps, while the DB100+ (retired in 1999) supported up to 5amps. All three generations supported multiple scales using a voltage selector switch and have been replaced by the DB150 command station/booster combo.

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General information
Manufacturer Digitrax
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Common Name Challenger
Alternative Names DB100/DB100A/DB100+
Product information

Product URL External Product Link
Product Manual URL External Product Link
Product Manual File File Link
Product Specifications File File Link
Year Released 1993
Year EOL 1995
Successor DB150

Integrated Throttle None
Throttle Network LocoNet
Programming Track
DCC Features

Extended Addressing No
Consisting Methods
Zero Stretching Yes
Max Current 4.5
Optoisolated No


This was the first commercial DCC starter set from Digitrax, demonstrated at the National NMRA Convention in 1993 prior to the adoption of the DCC standard.


  • Multi Featured Command Control system when used with CT4
  • 4.5 amp Multi-Scale booster
  • Intelligent Auto-Reverse
  • Accepts AC or DC input
  • Over Voltage Protected
  • Auto-Resetting Over Temperature protection
  • Auto-Resetting Over Current protection
  • LocoNet
  • Auto-Shutdown on loss of command control drive signal
  • Dual colour LED indicates and diagnoses signals sent to track
  • Track OFF switch allows suspension of track power while input power is still coming in to the booster.

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