Keep-Alive Modules (Capacitors) are used to maintain power to decoders during times of power interruption due to dirty track or problematic track work.
KA4 will power an HO-Scale locomotive with headlights on for approximately 6 to 20 seconds (depending on the locomotive and the efficiency of the motor).
This Keep-Alive™ includes a blue and a black w/ white stripe wire with which to attach it to a decoder.
Dimensions: .52” x .52” x .45” or 13.22mm x 13.22mm x 11.55mm
2 Reviews Hide Reviews Show Reviews
Perfect for small engines and narrow hood engines. Fits well high in the front nose of a SW 1500 providing keep alive for short wheel base engines that need the boost across ladder switches.
Very great product! Easy to install! 5 ⭐️