TTSC4 Dual Dapol Servo Semaphore Signal DCC Controller Class_Class-08 The SC4 and SC400 have

The SC4 and SC400 have been designed specifically to power and control the new Dapol Servo type OO bracket and O gauge semaphore signals and feature safe optically isolated volt free contacts and a regulated protected power output

and the prototype model later in December 1978

The Cobalt right-angle adapter will allow you to install your Cobalt motors horizontally

25 sprues + additional parts

The British Railways Mk1 was the designation given to BR’s first standard design of main line coaching stock

TTSC4 Dual Dapol Servo Semaphore Signal DCC Controller Class_Class-08 The SC4 and SC400 haveDual Dapol Servo Semaphore Signal DCC Controller. The SC4 is specifically designed to power and control the new Dapol Servo controlled signals which have three wire inputs for each signal. An SC4 can control one, two or a twin head (e. g. Bracket) servo signal and each can easily be assigned any DCC accessory address & run the two arms independently or together in Home Distant pairs. It also incorporates a regulated power supply to provide a stable