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With 2-Pin Quick Connector Harness for power.

  • The Keep Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work.
  • The KA4-C will power an HO-Scale locomotive with headlights on for approximately 6 to 15 seconds (depending on the locomotive and the effciency of the motor).
  • This KA4-C will work with Keep Alive® ready decoders and most non-TCS decoders.
  • TCS decoders manufactured after February 2012 are Keep Alive® ready.
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