GB
Fig. 9
®
Dimmer 6590 U-127-500 with Busch-Watchdog
Exten-
sion 6805 U-500 and pushbutton extension.
L
N
N
L
1
L
N
6805U-
Pushbutton/
500
6590U-127-500
NO contact
CAUTION
In the case of illuminated pushbuttons, only push-
buttons with a separate N terminal can be used. Illumi-
nation via parallel contacts is not permissible!
23