Altronix AL400ULXX 4A Supervised Power Supply With Battery Backup

The Altronix AL400ULXX is a 4-ampere supervised power supply with integrated battery backup designed for security infrastructure requiring continuous operation during AC mains failure. This UL-listed unit delivers regulated 12VDC or 24VDC output and incorporates multi-level supervision monitoring to detect AC failure, low battery conditions, and battery presence, ensuring reliable alarm system operation in both primary and standby modes.

Key Features

• Dual voltage output: 12VDC at 4A or 24VDC at 3A, selectable to match system requirements
• Integrated battery backup with automatic switchover during AC mains loss
• AC fail supervision detects loss of input AC power and triggers backup battery operation
• Low battery supervision monitors backup battery voltage and alerts when capacity drops below operational threshold
• Battery presence detection confirms backup battery connection and operational status
• UL listed for security and life safety applications
• Lifetime limited warranty providing long-term protection of investment

Applications

• Access control systems requiring uninterrupted power during grid outages
• Alarm system backup power for intrusion detection and monitoring circuits
• Security camera installations needing 24/7 continuous operation with standby reserve
• Building automation networks where supervised power distribution is mandatory
• Emergency lighting and egress control systems in compliance-critical environments

Specifications

• Model: Altronix AL400ULXX
• Output Voltage: 12VDC or 24VDC (field selectable)
• Maximum Current: 4A @ 12VDC / 3A @ 24VDC
• Battery Backup: Yes (integrated support with battery supervision)
• Supervision Functions: AC Fail, Low Battery, Battery Presence
• Approvals: UL Listed
• Warranty: Lifetime Limited Warranty
• Enclosure: Large gray cabinet (AL400ULXX configuration)