dc power supply 1.CCC,UL,SAA, ... C-Tick, SAFETY Approvals. 2.Two-year warranty. dc power supplyCertification ROHS ,UL,SAA,CSA,BEAB,PSE, ... 3000Vac 1 minute 10mA maxl Burn-in 100% full load,40±5°C,4Hrs minl MTBF meet ... MIL-HDBK-217F over 50k hours, full load 25°Cl Insulation resistance 500Vdc 100MΩmin between ... AC plug and DC plug and case. Packingone pcs in a bag ...