RAC10-K/277 Series AC/DC Converters RECOM Power RAC10-K/277 AC/DC Converters are designed to meet the latest requirements of IoT systems. The cost-effective 10W AC/DC converter series offers excellent efficiency over a wide load range with a stable output voltage. RECOM RAC10-K/277 converters feature an enhanced mains input range of 85VAC up to 305VAC. These converters come with international safety certifications for both industrial and household standards that allow for worldwide usage. The RAC10-K/277 modules offer fully protected single or dual outputs as well as EMC class B compliance without the need for any external components. These RAC10-K/277 series are ideal for always-on and standby mode operations in process automation, IoT, and smart building applications.