Medical PrevKSM-42W (US plug) NextSpecAC Input 90-264Vac/3A 50~60HzOutput 12-24V, 3.5A maxStandby input power <75mWOutput Power 42W maxOutput accuracy Vo±5%Efficiency DOE VI, COC V5 Tier 2Protections SCP, OCP,OVPStandard 60601AC Pin detachable pinCertification