Decoder for switching continuous currents on and off for light signals, traction current, lighting, motors or accessories. Compatible with Viessmann Commander, Märklin Digital and Uhlenbrock Intellibox. 4 independent and separately controllable bistable changeover switches 1 x TOGGLE, each with a load capacity of up to 2 A. The coding switch for entering the decoder address is freely accessible from the outside (without laborious removal of the housing cover). The control is possible through a separate ring line or directly from the track.