AL176UL
Access Control Power Supply/Charger
Overview:
Altronix AL176UL power-limited power supply/charger converts a 115VAC/60Hz input into 12VDC or 24VDC
output (see specifications). It is intended for use in applications requiring UL Listing for Access Control (UL294). It
must be installed in accordance with National and Local Electrical Codes and Regulations.
Specifications:
Agency Listings:
•
UL294*
UL Listed in U.S. and
Canada for
Access Control Systems.
Input:
• Input 115VAC/60Hz, 0.6A.
Output:
• Field selectable 12VDC or 24VDC output.
• 1.75A supply current.
• Class 2 Rated power-limited auto-resettable output.
• PTC protected output rated @ 2.5A.
• Filtered and electronically regulated output.
• Short circuit and thermal overload protection.
Battery Backup:
• Built-in charger for sealed lead acid or
gel type batteries.
• Automatic switch over to stand-by battery
when AC fails.
• Maximum charge current 0.4A.
Supervision:
• AC fail supervision (form “C” contacts).
• Low battery supervision (form “C” contacts).
Visual Indicators:
• AC input and DC output LED indicators.
Enclosure Dimensions
(H x W x D)
:
8.5” x 7.5” x 3.5”
(215.9mm x 190.5mm x 88.9mm).
*ANSI/UL 294 7th Ed. Access Control Performance Levels:
Destructive Attack - I; Endurance - N/A; Line Security - I; Stand-by Power - I, IV.
Power Supply Output Specifications:
Output VDC
Jumper
Max. Stand-by
Load DC
Max. Alarm
Load DC
Battery (optional)
12VDC
Jumper Removed
1.75A
1.75A
12VDC
24VDC
Jumper On
1.75A
1.75A
24VDC
Stand-by Specifications:
Output
4 hr. of Stand-by and 5 Minutes of Alarm
12VDC / 7 AH Battery
Stand-by = 1.25A
Alarm = 1.25A
24VDC / 7 AH Battery
Installation Instructions:
Wiring methods shall be in accordance with the National Electrical Code/NFPA 70/NFPA 72/ANSI, and with all
local codes and authorities having jurisdiction. Product is intended for indoor use only.
See
Terminal Identification Chart
on
Pg. 2
for a description of each terminal function.
1. Mount unit in the desired location. Mark and predrill holes in the wall to line up with the top two keyholes
in the enclosure. Install two upper fasteners and screws in the wall with the screw heads protruding. Place
the enclosure’s upper keyholes over the two upper screws; level and secure. Mark the position of the lower
two holes. Remove the enclosure. Drill the lower holes and install two fasteners. Place the enclosure’s upper
keyholes over the two upper screws. Install the two lower screws and make sure to tighten all screws
(Enclosure Dimensions, pg. 4)
.
2. Connect AC power to the black and white flying leads of the transformer. Secure green wire lead to earth
ground. Green “AC” LED on power supply board will turn on. This light can be seen through the LED lens
on the door of the enclosure. Use 18 AWG or larger for all power connections (Battery, AC input).
Use 22 AWG to 18 AWG for power-limited circuits (DC output, AC FAIL and LOW BAT supervisory relays).
