

The flush-mounted dimmer SD-400B (1 channel) is a cutting-edge product of the MASTER Smart Home line, suitable for controlling lighting intensity, using alternative types of lamps like Filament LED, Dimmable LED as well as older types of lamps (Halogen).
Its placement in the junction box and its control locally by one or more parallel buttons of any type or company, make the SD-400B dimmer unique. Adjust the brightness of your lighting and create atmosphere while saving energy. The following user manual will help you install the “MASTER Smart Home” app for Android or iOS and enjoy the “smart” lighting control functions.
Download the SD-400B manual
Features
DIMMER: Digital (IGBT) - LED / 1 Channel
OPERATING VOLTAGE: 180 - 230V DC
OPERATION FREQUENCY: 50Hz
OUTPUT POWER: 300W / R C
STAND BY CONSUMPTION: ≦1W
TEMPERATURE CONDITIONS:
- of operation: -20°C to +50°C
- of storage: -20°C to +60°C
WIRE SIZE: ∅0.5 mm to ∅3.5 mm
MOUNTING: Electrical switch box min. 40mm
FUNCTION: Soft Start
MODE OF OPERATION: Leading Edge - Trailing Edge (with the "MASTER Smart Home" app)
FUSE: Electronic (overheating and overvoltage protection with automatic reset to operation)
Lower limit setting: SD-400B enables the user to preset the minimum brightness of the dimmable LED lamps if required. This process is achieved through the MASTER Smart Home application.
Control:
Installation Instructions