The LDH-45A-1050WDA is a 1050 Watt AC-DC, single output, open-frame power supply from the Mean Well LDH series. It has an embedded active PFC (Power Factor Correction) function with an industrial-level reliability of up to 25 years. It features an input of 100 to 277 VAC and provides a fully adjustable single output voltage of up to 48V. It is designed to meet UL 60950-1 and EN 60950-1 safety standards and is RoHS compliant. It also includes output voltage regulation, overload protection, and over voltage protection for reliable power delivery. The LDH-45A-1050WDA is suitable for a variety of applications including industrial automation, factory automation, data communication and telecommunication, sound and lighting systems, and other field installations.