3SB3 control devices mounted in front panels can be coupled to the AS-Interface bus system by means of the front panel module. Pushbuttons and illuminated pushbuttons in round or square design, in molded-plastic or metal version, can be used. Mushroom pushbuttons and audible signal devices are not suitable.

The front panel module comprises:

• 4I/4O slave
• Four 3SB3 control devices
• Accessories (lamps, backing plates, mounting parts)

The selection of the optional components is made with the order form (see Options).