Altronix AL125ULB Installation Instructions User Manual

Al125ulb access control power supply/chargers

Advertising
background image

*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:

Stand-by Specifications:

LED Diagnostics:

Agency Listings:

• UL recognized component.
• NFPA 101 (Life Safety)
Input Rating:

• 24VAC/40VA.
Output Rating:

• 12VDC or 24VDC selectable, Class 2 Rated

power limited outputs.

• 1 amp total supply current @ 12VDC or 24VDC.
• Filtered and electronically regulated output.*

Battery Backup:

• Built-in charger for sealed lead acid or

gel type batteries.

• Maximum charge current: 400mA.
• Automatic switch over to stand-by battery when

AC fails.

Special Features:

• AC power and unit status indicator on the

front panel.

• “NO” trigger input.
• Supervised Fire Alarm Disconnect (Latching w/reset or

Non-Latching).

Board Dimensions (approximate):

3.1”W x 3.9”L x 1.4”H

Overview:

The AL125ULB is a power limited power supply/charger that converts a low voltage AC 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 (UL 294) and applications requiring an interface with Fire Alarm Control Panels.

Specifications:

AL125ULB
Access Control Power Supply/Chargers

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

Output

4 hr. of Stand-by &

5 min. of Alarm

12VDC/4AH Battery

Stand-by = .5 amp

Alarm = 1 amp

24VDC/4AH Battery

Stand-by = .5 amp

Alarm = 1 amp

Output

4 hr. of Stand-by &

5 min. of Alarm

12VDC/7AH Battery

Stand-by = 1 amp

Alarm = 1 amp

24VDC/7AH Battery

Stand-by = 1 amp

Alarm = 1 amp

Green (AC)

Power Supply Status

ON

Normal operating condition.

OFF

No DC output.

Slow Blink

Loss of AC.

Rapid Blink

Unit is triggered, awaiting reset. Fire alarm interface activated.

Advertising