Built-in digital decoder (C-track). Gauge H0. Can be retrofitted for the C-track three-way switch (24630) with electric drive. ¬Digital formats mfx, Motorola and DCC. Connection via plug contacts, for Märklin and Trix C-track three-way switches. Address adjustable with coding switch (Motorola format 1 to 320 / DCC format 1 to 511), optionally also adjustable on the programming track. Switch lantern can be connected and switched (soldering skills required). A digital decoder can be used simultaneously or subsequently for electric drive of the switches. The decoder is simply connected with plug contacts and can be addressed individually for each switch. The digital power supply can be removed directly from the travel current contact of the switch. In this way, you get a ready-made digital switch that is immediately ready for use on mobile systems.