Tridonic LED Driver 20W 100-1050mA one4all DALI 2 NF SR EXC3 dimmable

The Tridonic 87500921 is an independent constant-current LED driver with DALI-2 dimming, designed for professional lighting applications. The output current is adjustable from 100 to 1050 mA via DALI or NFC, with 1 mA precision steps. It delivers up to 20 W of output power with an efficiency of up to 85%, and a standby power consumption below 0.4 W.

Its white polycarbonate housing (IP20) ensures durability, while the tool-free click-mount design enables quick and easy installation.

The driver supports NFC, One4All (DALI-2 DT6, SwitchDim, Corridor Function V2) and includes advanced functions such as CLO (Constant Light Output) and multiple protective features against overheating, short-circuit, overload and improper operation.

With a rated lifetime of up to 100,000 hours and 1 kV surge protection (L–N), it is suitable for emergency lighting systems compliant with EN 50172.

Typical applications include downlights, spotlights and professional decorative luminaires.