Z21 multi LOOP

Roco 10797 - Z21 multi LOOP – Automatic Reverse Loop Module

The Roco Z21 multi LOOP (item 10797) is a module that handles automatic polarity switching for reversing loops, wyes, and turntable tracks, allowing your train to travel in and out without causing short circuits. It supports multiple operating modes: short-circuit detection, sensor track mode, track contact mode, or combined operation. Compatible with DCC, Märklin/MM, RailCom, and even analog operation.