800-5530 SD-3 Signal Driver, 3 Aspect, Bi-Color LED Vallejo Clear Coats Both variants saw extensive service

Both variants saw extensive service with the RAF and were exported to numerous countries including Switzerland

known worldwide for its versatility and

and late production variants featured steel upper return rollers and cast metal idler wheels

while maintaining the high-definition form that the Hi-Resolution lineup is known for

800-5530 SD-3 Signal Driver, 3 Aspect, Bi-Color LED Vallejo Clear Coats Both variants saw extensive serviceThe CIRCUITRON SD 3 is capable of driving any single searchlight style, 2 lead or 3 lead, Bi Color or Tricolor, LED type signal to red, green and amber aspects. Compatible signals are manufactured by Oregon Rail Supply, Tomar, Sunrise Enterprises, ISS and others. Two SD 3s are required for double head signals. NOTE: The SD 3 will not drive 3 lamp signals (see SD 1). Bi color LEDs contain both a RED and a GREEN chip mounted side by side. Amber is