The LCM-40U is a 35W AC/DC LED driver designed to provide a constant current output for various lighting systems. It operates from a 90-132VAC input and features multiple output current levels, selectable via a DIP switch, ranging from 350mA to 1050mA. This driver delivers a high efficiency of up to 87.5% and includes a built-in active PFC function, achieving a power factor of ≧0.98. Key functions include 3-in-1 dimming, a 12V auxiliary DC output, and synchronization capability for up to 10 units. The fanless design and wide case operating temperature range make it suitable for LED indoor, office, architectural, and panel lighting applications.