TTSS2 Sensor Signal 2 Aspect Distant Class_Class 122 The British Rail Class 450

The British Rail Class 450 third-rail DC EMU began service during 2003

Eleven examples of the class were transported to France

3x Travel Train Carriages

Measures 23

TTSS2 Sensor Signal 2 Aspect Distant Class_Class 122 The British Rail Class 450With the use of the Sensor Signal developed by Train Tech you can easily add automatic signalling into your layout in seconds. The signals work by detecting a locomotive, or full train passing by it using a very small infrared sensor built in to the signal base. As soon as the locomotive has passed the sensor the signal changes to yellow and will stay yellow for about seven seconds to let the train clear the block. It then reverts back to green. If