The LDH-45B-500DA with LED Power Supplies 18-32Vin 36-86Vout 500mA 43W TH DALI from Mean Well is an electronic part for supplying LED lighting systems. It is a Class II power supply with an input voltage range of 18-32V and an output voltage of 36-86V with a maximum allowed current of 500mA and a total power output of 43W. The part also has a built-in 0-10V dimming function with DALI (digital addressable lighting interface) control, making it suitable for use in energy efficient environments. It also has built-in over-voltage, over-load, and short-circuit protection. The part has an IP42 ingress protection rating, indicating that it is dust and water resistant, and is suitable for use in both indoor and outdoor applications.