The MPB-20S series open-frame 20W AC/DC power supplies offer six standard models operating from a universal input of 85 to 264 Vac and providing regulated single outputs of 3.3, 5, 9, 12, 15, or 24 Vdc. Standard features include filtering to EN55022 Class B, input/output isolation of 3 kVac, and low leakage current. The MPB-20S series has an MTBF (per MIL HDBK 217F) greater than 300 khours and all models meet EN 60950. MICROPOWER DIRECT, Stoughton, MA. (781) 344-8226.