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Digitrax: SE74

Summary: The Digitrax SE74 is a signal decoder that can drive up to 16 signal heads, with optional support for the 9-aspect control mode. Will also control 4 turnout motors, and has 8 inputs for local control and sensors. This signal decoder can handle up to 32 signal heads.

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Digitrax SE74.webp
General information
DCC Category
Manufacturer Digitrax
MSRP 119 USD121.14 EUR <br />105.99 GBP <br />179.84 AUD <br />160.54 CAD <br />
Compare Prices Latest Prices
Manufacturer Part Number
Common Name
UPC Number 652667090148
Release information

Product URL External Product Link
Product Manual URL External Product Link
Year Released 2022
Has computer interface
Firmware Upgrade Possible Yes
Predecessor SE8C
Misc Details


  • Fully connectorized installation.
  • Optional support for DCC 9-Aspect control mode, including Lunars.
  • Easy setup with Option Switches and LocoNet programming.
  • Configurable for four solenoid or four slow-motion turnout control.
  • 8 Input lines for local control and sensors.
  • 8 System routes with 8 entries each.
  • Advanced LocoNet configuration capability with Series7 style installation support using a DT602.

Parts List

  • 1 SE74 Stationary Decoder
  • 1 10-pin pluggable input cable
  • 1 Instruction Sheet
  • 1 SE1 PCB test mast and 10 pin cable

Digitrax SE74 Explained - Part 1

Digitrax SE74 Explained - Part 2 - Tortoise Control with JMRI

Digitrax SE74 Explained - Part 3 - Wiring Signals


Digitrax SE74 Explained - Part 4 - Placing Signals and Setting Logic in JMRI

Digitrax SE74 Explained - Another Look At Signal Wiring


  • No FAQs link to this page.

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