Radio dimmer Intro II 8521-50 for filament and halogen bulbs

Radio dimmer Intro II 8521-50 for filament and halogen bulbs
The Intro II 8421-50 300W dimmer is designed for local control over filament, halogen bulbs 230V and halogen bulbs with an electronic transformer.

The centralized control over Intro II 8521-50 dimmers is carried out without additional wiring with any of the Intro ll transmitters. It is also possible to control dimmers without additional wiring through 230V power line if the Nero II 8761 UPM transcoder is installed in the building.



• dimmering;
• smooth switching which prolongs the operating life of the bulbs;
• SUNRISE/SUNSET function: slow dimmering;
• 2 COMFORT modes: programmed intermediate brightness level;
• 2 operating modes with an external sensor: in case the sensor is actuated the dimmer will switch on the light for 1 or 10 minutes;
• automatic dimmering in case of bulbs overheating;
• possibility of minimum dimmering threshold setting.

Characteristic Value
Control objects / switching capacity filament, halogen bulbs and other / 40 ... 300 W
Number of control objects
Max. number of groups
Frequency, MHz 434,05-434,79
Supply voltage
~230V (+10-15) %50Hz
Power input, max, W
Outputs 1
Protector, A 2
IP protection class
Dimensions, mm
Temperature range, oС 0... +40
Installation on the wall using a mounting cup
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