Simple block signal for use on rail lines away from station areas. Changes from red to green. Track current can be controlled by means of the 72750 or newer 72751 control box.

Maintenance free Leds. Height without base approximately 78 mm / 3-1/16 inches.

A suitable control box is 72751. The 74391 signal cannot be operated with other controllers!

Charlie's Tip:  Can also be used with the m84 decoder (60842) in digital operation.