Power supply unit (CC, DC) dimmable, BASIC, DIM, CC, D130050NTF/50 W, Constant current, Dimmable: Yes, Trailing-edge dimmer, 25.0-50.0 W, Rated Input Voltage: 220-240 V/AC, Output Voltage: 20-39 V/DC, Output Current: 1300 mA, Plastic, Black, Length: 166 mm, Width: 52 mm, Height: 25 mm, Protection class II/protective insulation, Working Temperature: -20 to 45 °C, Life Time: 50000 h, IP 20, Can be dimmed using trailing-edge phase dimmers, Flicker-free, Short circuit, overload and overheating protection