ABB Busch 6590U-127-500 Manual Del Usuario página 23

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!
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