The SDI12-UD series is a 12 W desktop ac-dc power supply designed to meet the latest US DoE Level VI efficiency standards in addition to the proposed and more stringent EU CoC Tier 2 requirements. Featuring a range of safety approvals and no-load power consumption less than 0.075 W, the SDI12-UD desktop adapter is the ideal solution to keep you one step ahead of the latest power regulations.