HLG-480H-42B is a power supply manufactured by Mean Well. It is a 480 watt, open frame, 90 to 264 VAC input AC/DC power converter, which is designed for industrial applications and has a wide, universal AC input range. This power supply has a single output voltage of 42VDC and provides active PFC (power factor correction) functionality and active current share, allowing up to four units to be connected in parallel for increased load current. It also has a built-in remote sense function and a power good signal that is TTL compatible. The overload, over temperature, and short circuit protection all include automatic recovery. This power supply is UL 8750, C-UL, and TUV-approved, and is RoHS compliant. The HLG-480H-42B is an efficient and reliable power supply, which is easy to use and operate.