LED light signal, RGB, LS series, light grey (painted aluminium) with RGB LEDs Operation only with power supply item no. SV 539 LED or SV 539-948 LED. Connection to L, L' and N or F1, F2 and the power supply. Can be labeled with foil The following colors can be set using the 3-pin DIP switch on the back: red, blue, green, violet, yellow, light blue, white
