Overview
Altronix AL400ULB 12/24VDC Power Supply Charger Board
Altronix AL400ULB 12/24VDC Power Supply Charger Board The Altronix AL400ULB is a dual-voltage power supply and charger board designed for access cont…
Altronix AL400ULB 12/24VDC Power Supply Charger Board
Your recommended setup
Review items below — quantities update pricing automatically.
Bundle Summary
Overview
Altronix AL400ULB 12/24VDC Power Supply Charger Board
The Altronix AL400ULB is a dual-voltage power supply and charger board designed for access control, burglar alarm, and fire alarm systems. Accepting 24/28VAC input, the AL400ULB delivers regulated 12VDC or 24VDC output with integrated battery backup and fire alarm disconnect functionality. The board supports supervised operation with AC fail, low battery, and battery presence monitoring.
Key Features
- Selectable 12VDC or 24VDC output for flexible system requirements
- 4A @ 12VDC or 3A @ 24VDC maximum current capacity
- Built-in battery backup charging circuit for uninterrupted operation
- Fire alarm disconnect relay for emergency protocol compliance
- Supervision: AC fail detection, low battery alert, battery presence monitoring
- UL recognized component for UL294 (Access Control), UL603 (Burglar Alarm), and UL1481 (Fire Alarm)
Applications
- Access control systems requiring supervised power backup
- Burglar and fire alarm installations with battery-backed regulation
- Multi-protocol security infrastructure requiring dual voltage support
Specifications
- Input: 24/28VAC
- Output: 12VDC / 24VDC (selectable)
- Maximum Current: 4A @ 12VDC, 3A @ 24VDC, 0.75A @ 12VDC (battery)
- Operating Temperature: 0°C to 49°C (32°F to 120°F)
- Board Dimensions: 7.05" × 4.05" × 1.6"
- Enclosure Dimensions: 10" × 8" × 4"
- Warranty: Lifetime Limited Warranty
System Design, Deployment & Technical Support
Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.
Fixed scope • Fixed price
System Design Assistance
- Get help validating product compatibility
- Coverage requirements
- Storage planning and deployment architecture before you buy.
Deployment & Configuration Support
- Access fixed-scope support for rollout planning
- User setup guidance
- Migration and system standardization across single-site or multi-site deployments
Guides, Tools & Calculators
- PoE requirements
- Storage retention
- Camera selection and deployment methodology