MFJ-4125P Switching pwr Supply 13.8V 25A Pwrpoles The MFJ-4125 Switching Power Supply has switchable AC input voltage. 110 VAC at 47-62 Hz and 220 VAC at 47-63 Hz. Works with AC input from 85 to 135 Vac or from 170 to 260 Vac Compact, only 5 " W x 2 " H x 5 " D Quick-Connectors for low current accessories