HLG-600H-15A is a 540W 15VDC 36A LED lighting power supply with 90~305VAC full range input, IP65 ingress protection rating and Built-in active PFC function. The unit has a high efficiency of 93.5%, fanless design and cooling by free air convection with working temperature range of -40C to +70C. HLG-600H-15A has a design that allows for both Constant Voltage & Constant Current operation; the output current can be adjusted by 50~100% and the output voltage 85~105%. Other standard features include set-up time <500ms, no load power consumption <0.5W, remote OFF and short circuit, over current, over voltage & over temperature protections. The unit also has built-in 5V/0.5A standby power, meets 4kV surge immunity level (IEC61000-4-5) and is certified to UL/CUL/ENEC/CB/CE lighting regulations, including UL8750 and ENEC EN61347-2-13.