The LDH-45B-1050WDA is a LED power supply manufactured by Mean Well. It has a wide input voltage range of 18-32V and an output voltage range of 36-43V. It is a 1050mA, 45.15W DALI regulated power supply, and is designed to be used in applications that require dimming and control of LED lighting. It is a dependable and cost-effective product that is equally suitable for residential, commercial, and industrial lighting applications. The LDH-45B-1050WDA is approved by UL and CE, and is proven to provide stable operation and long life.