The ELG-150-C1750AB is an LED power supply manufactured by Mean Well. It is a switched-mode power supply with a maximum output power of 150.5W. The output voltage range is 43-86VDC and the output current range is 875-1750mA. This power supply is designed for use with LED lighting applications, such as streetlamps, floodlights, and tunnel lighting. It features short-circuit, overload, and overvoltage protection. It is also compliant with UL8750, Energy Star, and other safety certifications. This power supply is designed to be reliable and durable, and has a long service life.