Mean Well 18W GST A-series is a highly reliable line of desktop style single-output green power adaptors. These constant voltage power supplies come in 18-90 Watt models. The GST series are class I power units, equipped with a standard IEC320-C14 AC inlet and adopting a full input voltage range from 85-264VAC. This entire Mean Well series offers different models with output voltages ranging between 5VDC and 48VDC, making it easy to satisfy the demands of various LED setups or consumer electronic devices. With efficiency as high as 92% and the extremely low no-load power consumption below 0.075W, the GST A-series is cmpliant with USA EISA 2007/DoE, Canada NRCan, Australia and New Zealand MEPS, EU ErP, and Code of Conduct version 5 (Coc). The supreme quality feature allows the adaptor to save energy when it is either operating or in standby mode. The entire GST series uses the 94V-0 flame retardant plastic case and is built for international safety regulations. These power sources can operate from -30?C ~ +70?C.