6226 Señal luminosa principal.
Señal luminosa principal.
Colour light main signal mounted on a screw-down base, with three connecting wires, for green and red lights.
Mast height: approx. 91 mm.
Colour light signals may be operated either by using the switches 6901 or 6921 or by the relay 6955 or the block-system relay 6957/6958 or by the "thinking" points.