ARCH Electronics launches high efficient LED power supplies,ALF100/150/240W series. Those are constant voltage mode (CV mode) and constant current mode (CC mode) with two-stage PFC and PWM design to provide users more choices with high regulation outdoor lighting applications. Those series are acceptable to the full range input voltage 90 ~ 305VAC, and adopt the design of high-frequency switching technology, efficiency up to 93%, can work at -25 to +70℃ ambient temperature in free air convection. With industrial grade potting processing to enhance the cooli...