Altronix AL125ULB Dual-Output 12/24VDC Power Supply Board

Altronix AL125ULB Dual-Output 12/24VDC Power Supply Board

The Altronix AL125ULB is a compact board-form power supply and battery charger delivering selectable 12VDC or 24VDC output at 1A per channel. Fed by 24VAC 40VA input, the AL125ULB supports two independent output circuits and integrates supervised fire alarm disconnect functionality with latching or non-latching modes. This UL Listed, Class 2 transformer-based design accommodates sealed lead acid or gel-type backup batteries (sold separately) for uninterrupted operation during AC loss.

Key Features

• Dual independent 12VDC or 24VDC selectable outputs at 1A per channel
• Integrated battery charger for sealed lead acid or gel-type batteries
• Supervised fire alarm disconnect with latching and non-latching modes
• LED status indicator: Normal, No Output, Loss of AC, Triggered states
• PTC-rated 2.5A overcurrent protection per output
• UL Listed and UL Recognized component; NFPA 101 Life Safety compliant

Applications

• Access control and entry system backup power
• Fire alarm and emergency lighting circuits
• Low-voltage distribution requiring supervised disconnect and battery support

Specifications

• Input: 24VAC, 40VA
• Output: 1A per channel; 2.5A PTC rated
• Form Factor: Board (3.8" × 3.0" × 1.5")
• Operating Temperature: 0°C to 49°C (32°F to 120°F)
• Approvals: UL Listed, Class 2, NFPA 101
• Warranty: Lifetime Limited