To enlarge your ZEN application we provide three different expansion units in only 35 mm width ZEN housing. All expansion units have standard 4 inputs and 4 outputs. You can add maximum 3 expansion units to one CPU.

• 4 inputs, 100 to 240VAC or 12 to 24VDC
• 4 outputs, either relays or transistors (only DC models)
• DIN-rail mounting
• H 90 x W 35 x D 56mm