• The AL125ULB is a power limited power supply/charger that converts a low
voltage AC input into two individually PTC protected 12VDC or 24VDC
outputs (see specifications). They are intended for use in applications
requiring UL Listing for Access Control (UL 294) and applications
requiring an interface with Fire Alarm Control Panels.
• 12VDC or 24VDC selectable outputs.
• 1 amp total supply current.
• Two (2) Class 2 Rated power limited outputs.
• 24VAC/40VA.
• Filtered and electronically regulated output.*
• Built-in charger for sealed lead acid or
gel type batteries.
•
Maximum charge current: 400mA.
• Automatic switch over to stand-by battery
when AC fails.
• AC power and unit status indicator on the
front panel.
• “NO” trigger input.
• Supervised Fire Alarm Disconnect
(Latching w/reset or Non-Latching).
AL125ULB Switching Power Supply/Charger
Rev. DSAL125ULB - B03I
Overview
Specifications
UL Recognized component.
Agency Approvals
Board Dimensions (approximate)
3.1”W x 3.9”L x 1.4”H
*Note: When unit is powered by battery back up (AC Fail condition) the voltage range is 9.3V-13.2V and
19.55V
-26.4V for 12 and 24 volt operation respectively.
Mounting Diagram
3.0"
3.8"
0.48"
0.23"
2.8"
2.3"
Ø0.156"
Altronix Corp. - 140 58th Street, Brooklyn, NY 11220 • 718-567-8181 • 888-258-7669 • altronix.com
