Technical Information & Details for MEAN WELL LCM-40TW Tunable White Driver
- Output Power: 40 W (Constant Power Mode)
- Output Current: 500mA to 1050mA (selectable via DIP switch)
- Output Channels: 2 Channels (for Tunable White / DT8)
- Input Voltage Range: 180 – 277 V AC / 180 – 260 V DC, 47 – 63 Hz
- Efficiency: up to 87%
- Dimming Range: Minimum dimming level 0.2%
- Inrush Current: Cold start 20A (t_width = 260 µs) at 230 V AC
- Standby Power Consumption: < 0.5 W
- Operating Temperature: −30 °C to +85 °C (case temperature Tcase)
- Cooling: Fanless natural convection
- Protections: Short circuit, Over voltage, Over temperature
- Withstand Voltage: 3.75 kV AC between input and output
- Dimensions (L x W x H): 123.5 mm x 81.5 mm x 23 mm
- Weight: approx. 240 g
- Certifications: ENEC, CB, EAC, CE, DALI-2 DT6/DT8 certified
- Interface: DALI-2 DT8 (Tunable White) & DT6 (2-channel dimming)
- Manufacturer Warranty: 5 years
Information about the MEAN WELL LCM-40TW
The MEAN WELL LCM-40TW is a high-performance 40W LED driver specifically engineered for advanced Tunable White applications and Human Centric Lighting (HCL). Operating in Constant Power Mode across two output channels, this driver allows for precise adjustment of color temperature while maintaining a consistent lumen output. By using the integrated DIP switches, professionals can easily configure the output current between 500mA and 1050mA. Its full DALI-2 DT8 certification is a standout feature, enabling seamless control of warm-to-cool white transitions via a single DALI address.
This driver is characterized by a strictly flicker-free performance complying with IEEE1789 and an impressive ultra-low dimming capability down to 0.2%, ensuring premium visual comfort even at minimum brightness. The slim Class II plastic housing and compatibility with emergency lighting systems (IEC61347-2-13) make the LCM-40TW the premier choice for sophisticated office, commercial, and architectural lighting designs. Backed by an extended 5-year manufacturer warranty and achieving 87% efficiency, it represents a highly reliable and energy-efficient solution for future-proof intelligent lighting infrastructures.
