The DCC80 Autofrog is a simple switch that automatically changes the frog polarity on your DCC layout. Allow us to introduce you to the Autofrog. Wiring the DCC80 is simple.
Gaugemaster DCC80 DCC Autofrog
Gaugemaster BPDCC80 DCC Autofrog (3 x DCC80)
Gaugemaster BPDCC80 DCC Autofrog (Pk3)
Gaugemaster BPDCC80 DCC Autofrog (Pack 3)