Model AL175ULX power supply/charger converts 115VAC 60Hz input, into two (2) PTC protected 12VDC or 24VDC @ 1.75 amp Class 2 Rated power limited supply current outputs.Features- 12VDC or 24VDC selectable output.- 1.75 amp of continuous supply current.- Two (2) PTC protected Class 2 Rated power limited outputs.- 115VAC 60Hz, .6 amp.- Filtered and electronically regulated outputs.- Dry Trigger Input.- Short circuit and thermal overload protection.- Built-in charger for sealed lead acid or gel type battery backup.- Maximum charge current .4 amp.- Automatic switch to stand-by battery when AC fails.- AC fail supervision (form "C" contact rated @ 1 amp 28VDC).- Dry trigger output supervision (form "C" contact rated @ 1 amp 28VDC).- AC input and DC output LED indicators.