• 12VDC or 24VDC selectable output. • 2.5 amp continuous supply current. • Transformer requirements: - 16VAC/56VA for 12VDC output (Altronix Model # T1656). - 28VAC/100VA for 24VDC output (Altronix Model # T2428100). • Filtered and electronically regulated output. • Short circuit and thermal overload protection. • Built-in charger for sealed lead acid or gel type battery backup. • Maximum charge current .5 amp. • Automatic switch over to stand-by battery. • Fused battery protection (circuit breaker available). • AC input and DC output LED indicators. • Lifetime Warranty.