Altronix AL201ULB Data Sheet User Manual
Al201ulb access control power supply/charger

AL201ULB is a power limited power supply/charger that converts a 24VAC
input into 12VDC (see specifications). It is intended for use in applications
requiring UL Listing for Access Control System Units (UL 294).
AL201ULB
Access Control Power Supply/Charger
Rev. DSAL201ULB - 11272012
Overview
Specifications
Altronix Corp. - 140 58th Street, Brooklyn, NY 11220 • 718-567-8181 • 888-258-7669 • altronix.com
UL Recognized component.
Mounting Diagram
Agency Approvals
Input:
• 24VAC, 40VA from UL Listed, Class 2 transformer.
Output:
• 12VDC output.
• Class 2 Rated power limited output.
• 1.75 amp continuous supply current.
• Filtered and electronically regulated output.
• Short circuit and thermal overload protection.
Battery Backup:
• Includes battery leads.
• Automatic switch over to stand-by battery
when AC fails.
• Maximum charge current 0.4 amp.
Supervision:
• AC fail supervision (form “C” contacts).
• Low battery supervision (form “C” contacts).
Visual Indicators:
• AC input and DC output LED indicators.
Electrical:
• Operating temperature: 0º C to 49º C ambient.
• 10.75 BTU/Hr.
• System AC input VA requirement: 55.2VA.
Mechanical:
• Board Dimensions (W x L x H approx.):
3.0” (76.2mm) W x 5.3” (134.62mm) L x 1.2”
(30.48mm) H.
• Product weight (approx.): 0.7 lbs. (0.32 kg).
• Shipping weight (approx.): 1 lbs. (0.45 kg).
AL201ULB
5.3"
134.62mm
3.0"
76.2mm
0.17"
4.32mm
0.34"
8.64mm
4.9"
124.46mm
2.4"
60.96mm
Ø0.156" (3.96mm)