The ELG-200-C1750D23Y is a Mean Well power supply designed for constant voltage LED lighting applications. It has an input voltage of 347-480VAC, maximum output current of 1,750mA, and constant output of 23VDC. The unit has a built-in active PFC function and has a power factor up to 0.92. It includes protection against over voltage, over temperature, overload, and short circuit. The maximum power of the unit is 39.6W and the efficiency reaches up to 95%. This unit has a 3-in-1 dimming function for 1~10Vdc, 10V PWM signal, and DALI protocols. It complies with global standards such as UL8750, EN61347-2-9, EN55015, and RoHS.