36-557A 21 Pin DCC Loco-Decoder (with Brake Button function)A 21 Pin (21MTC) DCC Decoder suitable for models fitted with a 21 Pin DCC decoder socket (do not use with the Bachmann Branchline Class 90 use 36 569A with these models). This decoder replaces item No. 36 557 and can be used in any model for which item No. 36 557 is recommended Highlights include: Dual mode DCC DC decoder with Back EMF function 10 powered function outputs (+8 logic level outputs and 2 logic level SUSI outputs) 1. 5A continuous load