FD-E series products are built-in type constant current LED driver for the North American. The input voltage range is 90-305V, output voltage range is 27-56V, the constant power voltage range:  36-56V. Their power range cover 40W, 60W, 75W, 100W, 150W, 200W, 240W and 320W, the output current of non-dimming and 3-in-one dimming version can be adjusted by potentiometer,  with auxiliary 12V optional.