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SKU: 2004

NOTE: This product utilizes a specific plug harness which may not be compatible with all decoders. Refer to the "Documents" tab below for more information.

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work. 


Newly-redesigned and coming in at half the size of a KA4, the KA2 will power HO or N scale locomotives with approximately one-third of the capacitance of KA3/KA4 devices (depending on the locomotive and motor).


This Keep-Alive® includes a 2-Pin Quick Connector Harness for plugging into decoders with a compatible socket. , such as the T4.


For more information on how to connect Keep-Alive® including with other manufacturer's decoder products, click the tab above labeled "Documents."

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