Cobalt Alpha-Switch-D Solenoid Accessory has three 3-wire outputs.
Designed to fit the output terminals of the DCD-DSG, DSR & DSB models, the DCD-DSs is designed to change the +5V/0V output to a momentary SPDT output necessary for the operation of the ADS range of solenoid motor decoders.
Requires 12v DC power which can be taken from the Alpha Switch D board.