Overview Model SMP5 power supply converts low voltage AC input, to a 6VDC, 12VDC or 24VDC @ 4 amp of continuous supply current output. Features/Specifications • 6VDC ,12VDC or 24VDC selectable output. • 4 amp of continuous supply current. • Transformer requirements: - 16.5VAC/40VA for 6VDC output - 24VAC/100VA or 28VAC/100VA for 12VDC output - 28VAC/175VA for 24VDC output • Filtered and electronically regulated outputs. • Short circuit and thermal overload protection. • Built-in charger for sealed lead acid or gel type battery backup. • Maximum charge current .5 amp. • Zero voltage drop upon transfer to battery backup. • AC input and DC output LED indicators. • Lifetime Factory Warranty. Board • Dimensions (approximate): 3.5”H x 2.75 ”W x 1.75 ”H