Altronix AL1024ULXB2 Installation Instructions User Manual
Altronix Accessories for electrical

Agency Listings:
• UL Recognized component for Access Control
System Units (UL 294), Power Supplies for
Fire Protective Signaling Systems (UL 1481).
Input:
• Input 115VAC / 60Hz, 4.2 amp.
Output:
• 24VDC output (UL 1481).
• 8 amp continuous supply current with 10 amp
supply current during alarm.
• 24VDC @ 10 amp. (UL 294).
• Filtered and electronically regulated output.
• Maximum Ripple: 250mV P/P
Battery Backup:
• Built-in charger for sealed lead acid or gel type batteries.
Battery Backup (cont’d):
• Maximum charge current 3.6 amp.
• Automatic switch over to stand-by battery
when AC fails.
• Zero voltage drop when switched over to battery backup.
Visual Indicators:
• AC input and DC output LED indicators.
Supervision:
• AC fail supervision (form “C” contacts).
• Low battery and battery presence supervision
(form “C” contacts).
Additional Features:
• Short circuit and thermal overload protection.
Board Dimensions (W x L x H approximate):
4.5” x 8.4” x 1.9” (114.427mm x 213.36mm x 49.657mm)
Stand-by Specifications:
Output
15 min. of Stand-by &
5 min. of Alarm
4 hr. of Stand-by &
5 min. of Alarm
24 hr. of Stand-by &
5 min. of Alarm
60 hr. of Stand-by &
5 min. of Alarm
24VDC / 12AH
Battery
Stand-By = 8 amp
Alarm = 10 amp
Stand-By = 1.5 amp
Alarm = 10 amp
Stand-By = 200mA
Alarm = 10 amp
Stand-By = 100mA
Alarm = 10 amp
Output
15 min. of Stand-by &
5 min. of Alarm
4 hr. of Stand-by &
5 min. of Alarm
24 hr. of Stand-by &
15 min. of Alarm
60 hr. of Stand-by &
15 min. of Alarm
24VDC / 65AH
Battery
-----------------------------------------------
Stand-By = 8.0 amp
Alarm = 10 amp
Stand-By = 1.5 amp
Alarm = 10 amp
Stand-By = 500mA
Alarm = 10 amp
Installation Instructions:
The AL1024ULXB2 should be installed in accordance with article 760 of The National Electrical Code as well as
NFPA 72 and all applicable Local Codes.
1. Mount the AL1024ULXB2 in the desired location/enclosure.
2. Connect unswitched AC power (115VAC 60Hz) to the terminals marked [L, N] (Fig. 1, pg. 2). Use 14 AWG or larger
for all power connections (Battery, AC input, DC output). Use 22 AWG to 18 AWG for power-limited circuits
(AC Fail/Low Battery reporting).
Keep power-limited wiring separate from non power-limited wiring
(115VAC / 60Hz Input, Battery Wires). DC output Minimum 0.25” spacing must be provided.
3. Measure output voltage before connecting devices. This helps avoiding potential damage.
4. Connect devices to be powered to the terminals marked [+ DC -- ] (Fig. 1, pg. 2).
5. For Access Control applications batteries are optional. When batteries are not used, a loss of AC will result in the
loss of output voltage. When the use of stand-by batteries is desired, they must be lead acid or gel type. Connect
battery to terminals marked [-- BAT +] (Fig. 1, pg. 2).
6. It is required to connect appropriate signaling notification devices to AC FAIL & BAT FAIL (Fig. 1, pg. 2)
supervisory relay outputs. Use 22AWG to 18AWG wires. AC FAIL will report in 5 minutes.
To delay report 6 hours cut “AC Delay” jumper (Fig. 1a, pg. 2).
Maintenance:
Unit should be tested at least once a year for the proper operation as follows:
Output Voltage Test: Under normal load conditions, the DC output voltage should be checked for proper voltage level.
Battery Test: Under normal load conditions check that the battery is fully charged, check specified voltage both at
battery terminal and at the board terminals marked [-- BAT +] to ensure there is no break in the battery connection wires.
Note: Maximum charging current under discharge is 3.6 amp.
Note: Expected battery life is 5 years; however, it is recommended changing batteries in 4 years or less if needed.
AL1024ULXB2 - UL Recognized
Power Supply/Charger
Rev. 082312
Overview:
The AL1024ULXB2 is a power supply that converts a 115VAC / 60Hz input, to a 24VDC non power-limited output
(see specifications).
Specifications: