Altronix AL125ULB Folheto

• 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).

Rev. DSAL125ULB - B03I

UL Recognized component.

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. 

3.0"

3.8"

0.48"

0.23"

2.8"

2.3"

Ø0.156"