A4X-KAC

Decoder
SKU: 1447
Description

The A4X-KAC is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives.

Examples include the following:

Athearn:

  • F59PHI
  • F3

Atlas:

  • RS-1/RS-3/RS-11
  • C424
  • GP7

Kato:

  • GP35

See the installation pages for a full list of compatible engines!

The A4X-KAC includes a factory-installed 2-Pin Mini Connector with Blue and Black&White wires to use when connecting Keep Alive® devices with the same 2-Pin Mini Connector. Keep Alive® devices with the connector are designated as "KA(n)-C"

  • Back EMF Load Compensation:
  • Provides superior slow speed control and high performance under load.

  • Quiet Drive:
  • Super-quiet motor control for "buzz" free motor performance.

  • DC Mode:
  • Decoder will automatically detect DC power. You can also configure how your lighting effects function on DC.

  • RailCom®:
  • This feature allows the decoder to talk to the command station. RailCom supports expansion for new features.

  • Variable Momentum:
  • Allows you to make custom acceleration and deceleration curves.

  • LED Support:
  • This product does not require external resistors when connecting LED's.

  • Incandescent Bulb Support:
  • This decoder can be used with 12 Volt bulbs.

  • Function Remapping:
  • Buttons 0 through 12 may be used to control the lighting functions of this decoder.

  • Programmable Lighting Effects:
  • Choose from 20 separate user-programmable lighting effects!

  • Dimmable Brightness:
  • Configure multiple different brightness levels for your LED's or incandescent bulbs.

  • Decoder Lock:
  • Feature which prevents accidental/unwanted programming while activated.

  • Airwire™ Compatible:
  • Fully compatible with Airwire™ operation.

  • User-Loadable Speed Tables:
  • Configure custom speed curves and set speed limits.