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TCS 1668 KA4 DCC Keep-Alive: Interruption Power for HO Scale Locomotives
One Year Goof Proof Warranty All
TCS Keep Alives are covered by a one year goof proof warranty.
With Black w/ White Stripe wire and Blue wire 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 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 will work with Keep Alive® ready decoders and most non-TCS decoders. TCS decoders manufactured after February 2012 are Keep Alive® ready.