DCC controller for HO,N,G Scale trainsdoes not include transformer. MRC AD090 G Command 2000 DCC System Controller₹12,500.00PriceQuantity*Add to CartAdditional InformationInput; Requires a 14-20 volt AC or DC power supply for operation. Output: Digital Command Control Signal in HO /N or G scale maximum current 2.5 amps. POWER LIMIT FOR STATION: 2.5 amps (peak 5.0 Amps) POWER LIMIT FOR DECODER: 1.0 amps (peal 3.0 amps)