This decoder is for converting Märklin/Trix H0 locomotives with built-in high-efficiency motors or other DC motors. The märklin LokDecoder3 has a wiring harness soldered to the circuit board, and this wiring harness already has an 8-pin NEM interface plug mounted on it for converting many locomotives with a corresponding NEM interface and for locomotives with a shortage of space. The märklin LokDecoder3 supports the digital formats mfx, MM 1, MM2, and DCC.
- Digital decoder with additional, digitally controlled functions (f1, f2, f3 or f4) when operated with the 6021 Control Unit. The functions present depend on how the locomotive is equipped. Standard function (function) active during conventional operation.
- Digital decoder with up to 32 digitally controlled functions. The quantity depends on the controller being used.
- DCC decoder