Märklin 72730

H0 72730 Control Box for Traction and Light.
This control box is for turning 4 different track or accessory circuits on and off. For example, power can be controlled in 4 storage sidings in 4 different track circuits. Unit comes with 8 sockets on the back. All of the connections are for the new plugs from the 71400 sets. 8 appropriate plugs included.
Dimensions 80 x 40 mm / 3-1/8" x 1-9/16".