ABB 6996 Instructions De Montage page 34

Installation
1.1.1.16
CAUTION
Data outputs D1 and D2 of the witching/shutter
actuator modules must not be combined with
conventional dimmers 6593-xx-500 (refer to wiring
diagram Fig 1).
The load current circuits of both switching actuator
module 4-fold 6995/40-500 and shutter actuator
module 2-fold 6996/20-500 must be protected by
an automatic cutout (max. 10 A)!