Overview Model AL300ULX power supply converts a 115VAC 60Hz input, to a 2.5 amp of continuous supply current @ 12VDC or 24VDC power limited output. Agency Listings • UL Listed for Access Control Systems (UL294), Burglar Alarms Systems (UL603), Hospital Signaling and Nurse Call Equipment (UL1069), Power Supplies for Fire Protective Signaling Systems (UL1481). CUL Listed - CSA Standard C22.2 No.205-M1983, Signal Equipment File # S4707. • CSFM - California State Fire Marshal Approved. File # 7315-1335:100. • MEA - NYC Department of Buildings Approved. File # 168-92-E Vol. VI • NFPA 72 Compliant. Features/Specifications • 12VDC or 24VDC selectable output. • 2.5 amp of continuous supply current output. • Class 2 Rated power limited output. • 115VAC 60Hz, 1.45 amp input. • 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 .7 amp. • Zero voltage drop upon transfer to battery backup. • AC input and DC output LED indicators. • AC fail supervision (form "C" contact rated @ 1 amp 28VDC). • Low battery and battery presence supervision (form "C" contact rated @ 1 amp 28VDC). • Lifetime Warranty. Enclosure • Accommodates up to two (2) 12VDC/7AH batteries. • Dimensions: 13.5”H x 13”W x 3.25”D • 1/2 and 3/4 combination knockouts.