Altronix AL400ULB 12/24VDC4AMP UL PWR SPLY BOARD

Altronix AL400ULB 12/24VDC4AMP UL PWR SPLY BOARD Altronix AL400ULB UL Recognized power supply/charger converts a 28VAC input into a single 12VDC or 24VDC Class 2 Rated power-limited output. It also offers a suite of features that includes AC fail supervision and low battery supervision. Input Input 28VAC, 175VA. Output 12VDC or 24VDC selectable output. 12VDC @ 4A or 24VDC @ 3A supply current. Class 2 Rated power limited output. Filtered and electronically regulated output. Short circuit and thermal overload protection. Battery Charging Built-in charger for sealed lead acid or gel type batteries. Maximum charge current: 600mA. Automatic switch over to stand-by battery when AC fails. (Batteries are sold separately). Supervision AC fail supervision (form "C" contacts). Low battery supervision (form "C" contacts). Visual Indicators AC input and DC output LED indicators. Electrical Temperature: Operating: 0° C to 49° C (32° F to 120° F). Storage: - 20° C to 70° C ( - 4° F to 158° F). Relative Humidity 85% +/- 5%. BTU/Hr (approx.): 25 or 37 BTU/Hr. System AC input VA requirement: 166.75VA.