MEAN WELL PLC-45 Series 45W Class 2 LED Power Supply was designed with a terminal block style of I/O connection instead of wires, providing greater wiring flexibility. Two small holes in the plastic cover of the PLC-45 allow adjustments to the output current or voltage without removing the cover. The PLC-45 series has active PFC, complies with UL1310 Class 2, and has earned several global safety agency approvals. The MEAN WELL PLC-45 Series 45W Class 2 LED Power Supply offers efficiency as high as 87.5%, universal AC input / full range, built-in constant current limiting circuit, and protections for short circuit, overload, over-voltage, and over temperature. Suitable for LED lighting and moving sign applications.