These linear power supplies/transformers are low cost Wall Plug-In designs that can provide DC or AC outputs up to 20W/VA. Standard features: Output may vary from 50mA to max. Load specified, in 50 mA increments; output voltage +/- 5% tolerance; dielectric strength: up to 4000VAC; Spacing 8mm pri-sec; Leakage:<0.100mA; thermal and OL/SC protection. Input Voltage of 120 or 220/230/240 VAC 50 or 60 Hz, Output Voltage ranging from 3-48Vdc enclosed in a UL94V-0 case. Designs meet cUL, TUV and other international agencies for ITE 60950 or Medical 60601-1.