ABB Busch 6590U-127-500 Manual Del Usuario página 15

Fig. 3
6590U-127-500 dimmer with pushbutton
L
N
*The "N" terminal is only necessary in special cases (e.g.
noise emission of the load when the dimmer is switched
off). It has no influence on humming noises from a trans-
former which is connected and switched on.
6590U-127-500
1 N L
GB
*
15