Helvar 444 Mini Input Unit – Compact DALI Input Module

This compact DALI input module allows seamless integration of push buttons, switches, and sensors into a DALI lighting control system, making it ideal for local scene control, switching, or sensor-based automation.

The Helvar 444 Mini Input Unit supports four digital inputs, which can be configured for different control functions within the Helvar Imagine system. Its small size allows for easy installation behind wall switches, inside junction boxes, or within luminaires — perfect for retrofit or new-build projects where space is limited.

Lighting Control Solution: Imagine
Lighting Control Protocol: DALI-2
Inputs: 4 digital (volt-free) inputs
Input Type: Momentary or latching switches
Power Supply: Powered directly from the DALI line (no external supply required)
DALI Current Consumption: < 2 mA
Device Mounting Method: Remote (e.g. behind switch or luminaire)

Dimensions: 39 × 27 × 12 mm
Weight: 10 g
Operating Temperature: 0 °C – +50 °C
Protection / Rating: IP20, Class II
Compliance: DALI-2 certified, CE, RoHS