The Interra ITR900-0132 is a 320 mA KNX power supply designed to generate and monitor SELV bus voltage for medium-size KNX lines. It includes integrated choke decoupling for stable bus communication.

The output is protected against short-circuit and overload, with LED status indication. Wide-range AC input supports international deployments.

Key Features — 320 mA KNX PSU

• Nominal output: 320 mA at KNX bus voltage.
• Integrated choke for bus/data decoupling.
• Protected output for short-circuit and overload events.
• Wide mains range for global operation.

At a Glance

Specification	Detail
Order code	ITR900-0132
Nominal current	320 mA
Nominal bus voltage	30 V DC (SELV)
Power consumption (typ./max.)	12.5 W / 30 W
Protection	IP20

Applications and KNX Integration

• Medium KNX lines: Typical residential/commercial line power source.
• Range options: 160 mA for small lines, 640 mA for high load / auxiliary output needs.

Choosing Interra KNX Power Supplies

ITR900-0132 is the balanced option for many KNX lines. Use 640 mA where device count and line current demand are higher.