1678 TCS Train Control Systems / KA7 The Keep-Alive™ Train Control Systems / devices are us (SCALE=ALL) Part # 745-1678

Train Control Systems / KA7

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 KA3, the KA7 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 Blue and a Black w/ White Stripe wire to attach it to a decoder.

Dimensions: .72" x 0.53" x 0.25" or 18.29mm × 13.46mm × 6.35mm

Scale: HO Scale N Scale

Input Rating: 12 to 16V