This control box is for operating 4 double solenoid accessories such as turnouts and signals or up to 8 uncoupler tracks. The position of the buttons shows the setting for accessories connected to the sockets for those buttons. The control box comes with 8 sockets on the back and a plug on one end and a socket on the other end. All of the connections are for the old 2.6 mm / 3/32" plugs and sockets.
Dimensions 80 x 40 mm / 3-1/8" x 1-9/16".
Package contents 5 pieces.
Schematic of 70729/72720 (Button 3 pressed)