The BLOCKsignalling REV1mini is a compact DCC model railway autoreverser for reversing loops, wyes and turntables, providing fast automatic polarity switching without programming or adjustment.
When a locomotive crosses a track break and encounters a polarity mismatch, the REV1mini detects the resulting short circuit in less than five mic
5.0
2 ratings
5
4
3
2
1
Works perfectly, simple to fit and at a good price.