Marklin 6021 HO Digital Control Unit ProductID_12464884 Equipped with ESU sound and

Equipped with ESU sound and DCC for use on DCC and DC layouts featuring: 4 Function outputs with brightness control by CV

This is a Wills Kits SS80 OO/HO Three Arch Viaduct Building Kit

Board measures 1/2 long x 3/16 wide x 1/16 high

The perfect sign for Summer

metal railings

Marklin 6021 HO Digital Control Unit ProductID_12464884 Equipped with ESU sound andHere is a Marklin 6021 HO Digital Control Unit. The Control Unit is the heart of the Digital System. Only one is required for a layout and other control devices plug into it. The Control Unit receives its power from a transformer by means of the yellow (labeled "L") wire and the brown (labeled "O") wire. Any transformer will work as long as it has a 16 volt fixed AC output, but one that supplies 42 watts, as the 6001 Mrklin transformer does, would be