The HLN-40H Series from Mean Well is a LED Driver Module with Input Voltage 90 to 305 VAC, Output Current 0.75 to 3.33 A, Output Power 40 to 40.5 W, Output Voltage 7.2 to 54 V, Input Current 0.23 to 0.43 A. More details for HLN-40H Series can be seen below.