AL1024ULXPD4CB is a multi-output power supply/charger that converts a 115VAC, 60Hz input into four (4) 24VDC Class 2 Rated power-limited outputs. Input Input 115VAC, 60Hz, 4.2A. Input fuse rated @ 3.5A/250V. Output 24VDC output. 10A of continuous supply current for Access Control applications. 8A of continuous supply current for Fire Alarm applications. Four (4) Class 2 Rated PTC protected powerlimited outputs (auto-resettable). Outputs are rated @ 2.5A. Filtered and electronically regulated output. Short circuit and thermal overload protection. Battery Backup Built-in charger for sealed lead acid or gel type batteries. Automatic switch over to stand-by battery when AC fails. Supervision AC fail supervision (form "C" contacts). Notification trigger is selectable for 30 seconds (factory set) or 6 hours. Low battery supervision (form "C" contacts). Battery presence supervision (form "C" contacts). Visual Indicators AC input and DC output LED indicators. Temperature Operating 0 to 49° C (32 to 120° F ). Storage - 20 to 70° C ( - 4 to 158° F). Relative Humidity 85% +/- 5% BTU/Hr. (approx.): 123 BTU/Hr. System AC input VA requirement: 483VA.