Altronix AL125ULX Installation Instructions User Manual
Altronix Accessories for electrical

*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.
Power Supply Output Specifications: (AL125UL, AL125ULX)
Output VDC
Switch Position
Max. Stand-by Load DC
Max. Alarm Load DC
Battery (optional)
12VDC
SW2 Open
1 amp
1 amp
12VDC
24VDC
SW2 Closed
1 amp
1 amp
24VDC
Power Supply Output Specifications: (AL125ULP, AL125ULE)
Output VDC
Switch Position
Max. Stand-by Load DC
Max. Alarm Load DC
Battery (optional)
12VDC
SW2 Open
1 amp
1 amp
12VDC
24VDC
SW2 Closed
.5 amp
.5 amp
24VDC
Stand-by Specifications:
Output
4 hr. of Stand-by &
Output
4 hr. of Stand-by &
5 Minutes of Alarm
5 Minutes of Alarm
12VDC / 4AH Battery
.5 amp / 1 amp
12VDC / 7 AH Battery
1 amp / 1 amp
24VDC / 4 AH Battery
.5 amp / 1 amp
24VDC / 7 AH Battery
1 amp / 1 amp
Installation Instructions:
The units should be installed in accordance with article 760 of The National Electrical Code and NFPA 72 as well as all
applicable Local Codes.
Agency Listings:
• UL Listed for Access Control Systems (UL294).
CUL Listed - CSA Standard C22.2 No.205-M1983,
Signal Equipment.
• MEA - NYC Department of Buildings Approved.
• NFPA 101 (Life Safety).
Input:
• AL125UL, AL125ULX - 115VAC 50/60 Hz, .6 amp.
• AL125ULP, AL125ULE - 24VAC @ 40VA.
Output:
• Two (2) 12VDC or 24VDC, class 2 rated
power limited outputs.
• 1 amp total supply current @ 12VDC or 24VDC
(AL125UL & AL125ULX).
• 1 amp total supply current @ 12VDC, .5 amp total
supply current @ 24VDC (AL125ULP & AL125ULE).
• Filtered and electronically regulated output.*
Battery Backup:
• Built-in charger for sealed lead acid or
gel type batteries.
• Maximum charge current: 400mA.
Battery Backup (cont’d):
• Automatic switch over to stand-by battery when AC fails.
Special Features:
• AC power and unit status indicator on the front panel.
• Normally Open [NO] trigger input.
• Supervised Fire Alarm Disconnect (Latching w/reset
or Non-Latching).
Configurations:
• AL125UL - includes power supply, transformer
cam lock and enclosure (8.5”H x 7.5”W x 3.5”D).
Accommodates one (1) 12VDC/4AH battery.
• AL125ULP - includes power supply, plug-in transformer
(24VAC/40VA) cam lock and enclosure
(8.5”H x 7.5”W x 3.5”D). Accomodates one (1)
12VDC/7AH battery or two (2) 12VDC/4AH batteries.
• AL125ULE - includes power supply, cam lock
and enclosure (8.5”H x 7.5”W x 3.5”D).
Accommodates up to two (2) 12VDC/4AH batteries.
• AL125ULX - includes power supply, transformer,
cam lock and enclosure (13”H x 13.5”W x 3.25”D).
Accommodates up to two (2) 12VDC/7AH batteries.
Overview:
AL125UL, AL125ULX, AL125ULP, AL125ULE are Power Limited Power Supply/Chargers that will convert 115VAC
50/60Hz 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 (UL294) and applications requiring an interface with Fire
Alarm Control Panels.
Specifications
AL125UL • AL125ULX • AL125ULP • AL125ULE
Access Control Power Supply/Chargers
Rev. 050803
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