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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.

Description

Altronix AL400ULPD8CBR 12/24VDC 4A Power Supply Charger

The Altronix AL400ULPD8CBR is a dual-voltage power supply and charger designed for security infrastructure requiring reliable 12VDC or 24VDC backup power. The unit delivers 4A at 12VDC or 3A at 24VDC, making it suitable for access control, alarm systems, and networked security devices. Built-in battery charging capability with comprehensive supervision features ensures uninterrupted operation during AC mains failure.

Key Features

  • Dual output voltage selectable: 12VDC @ 4A or 24VDC @ 3A
  • Integrated battery charger for sealed lead-acid or gel cell backup batteries
  • AC fail supervision—automatic detection and notification of mains power loss
  • Low battery voltage supervision to monitor backup battery health
  • Battery presence detection to verify battery connection and status
  • UL Listed for electrical safety and code compliance
  • Lifetime Limited Warranty covering defects in materials and workmanship

Applications

  • Access control systems requiring 12V or 24V regulated power with battery backup
  • Alarm control panels and monitoring stations with UPS functionality
  • Door locks, electromagnetic strikes, and gate operators with uninterrupted supply
  • Network security devices and remote surveillance infrastructure in branch locations
  • Distributed security installations where local battery backup prevents downtime

Specifications

  • Product Type: Power Supply/Charger
  • Output Voltage: 12VDC or 24VDC (selectable)
  • Max Current: 4A @ 12VDC / 3A @ 24VDC
  • Battery Backup: Yes
  • Supervision Functions: AC Fail, Low Battery, Battery Presence
  • Certifications: UL Listed
  • Warranty: Lifetime Limited Warranty
Specifications
Product Type: Power Supply/Charger
Approvals: UL Listed
Output Voltage: 12VDC / 24VDC
Max Current: 4A @ 12VDC / 3A @ 24VDC / 4A @ 12VDC
Type: Power Supply
Supervision: AC Fail, Low Battery, Battery Presence
Warranty: Lifetime
Battery Backup: Yes
Q&A
Reviews

Altronix AL400ULPD8CBR 12/24VDC 4A Power Supply Charger

$438.06
$240.99

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System Design, Deployment & Technical Support

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