Single Output LED Driver Module, what is a led driver, LED driver, Power up LEDs

 100 - 277Vac, 40W, 100 - 1100mA, 16-50V, [DALI 2], IP20 LED Driver

https://www.futureelectronics.com/p/semiconductors--Led-lighting-components--led-driver-modules-rev--constant-current-acdc-led-drivers/xi040c110v050vwt1m-signify-north-america-8116785