The HLG-40H-24 is a range of LED power supplies manufactured by Mean Well. It is a 40W single output LED lighting power supply, built to provide reliable power for LED lighting systems with up to a 24VDC voltage output. The power supply features a metal case, with a high efficiency of up to 94%, and an active power factor correction (PF>0.95). It also features high inrush current protection, short circuit and overload protections, as well as a series of special protections to enhance its reliability. The high quality components and construction make the HLG-40H-24 ideal for applications such as LED signage, LED display boards, and LED lighting systems.