Altronix AL125ULB Data Sheet User Manual
Altronix Accessories for electrical

AL125ULB is a Two (2) Output Switching Power Supply/Charger that converts a low
voltage AC input into two (2) individually PTC protected 12VDC or 24VDC outputs.
AL125ULB
Two (2) Output Switching Power Supply/Charger
Rev. DSAL125ULB - 11072012
Overview
Specifications
UL Recognized component.
Agency Approvals
Altronix Corp. - 140 58th Street, Brooklyn, NY 11220 • 718-567-8181 • 888-258-7669 • altronix.com
AL125ULB
Input:
• 24VAC, 40VA from UL Listed, Class 2 transformer.
• Access control trigger input.
Output:
• 12VDC or 24VDC selectable outputs.
• 1 amp supply current.
• Two (2) Class 2 Rated power limited outputs.
- Fail-Safe/Fail-Secure lock output (switched).
- Auxiliary power output (unswitched).
• PTC protected outputs, rated @ 2.5 amp.
• Filtered and electronically regulated output.
• Short circuit and thermal overload protection.
Battery Backup:
• Built-in charger for sealed lead acid or
gel type batteries.
Battery Backup (cont’d):
• Automatic switch over to stand-by battery
when AC fails.
• Maximum charge current 0.4 amp.
Supervision:
• AC fail supervision (form “C” contacts).
• Supervised Fire Alarm Disconnect
(Latching w/reset or Non-Latching).
Electrical:
• Operating temperature: 0º C to 49º C ambient.
• 6.14 or 12.28 BTU/Hr.
• System AC input VA requirement: 55.2VA.
Mechanical:
• Product weight (approx.): 1.4 lbs. (0.64 kg).
• Shipping weight (approx.): 1.6 lbs. (0.73 kg).
Board Dimensions
(W x L x D) (approximate)
:
3.1” (78.74mm) x 3.9” (99.06mm) x 1.4” (35.56mm)
Mounting Diagram
3.0"
76.2mm
3.8"
96.52mm
0.48"
12.19mm
0.23"
5.84mm
2.8"
71.12mm
2.3"
58.4mm
Ø
0.156" (3.96mm)