Would you like operating with a (bell) button while turning on lights, control your existing doorbell or inform your burglar alarm system about the visitor at the door, then you need additional switching contacts.

Features

• Six a / b switch modules used in a TFS-Dialog 200/300 or TFS Universal a / b, but only one two-wire cable required
• Each button can have one or more switching modules control, assignment selectable
• Dimensions: WHD 45/35 / 10