Altronix T2AXK75F12D Dual Voltage Power Supply

Overview

The Altronix T2AXK75F12D is a professional-grade power supply engineered for security system integrations requiring flexible voltage configurations and battery backup capability. This unit delivers 12V or 24V DC output at 20A continuous current, making it suitable for mid-scale surveillance, access control, and intercom installations where dual voltage support reduces SKU proliferation and simplifies deployment across mixed-voltage equipment.

Key Features

• Dual Voltage Output: Selectable 12V or 24V DC operation accommodates diverse endpoint requirements without multiple units
• 20A Continuous Current: Delivers reliable power to multiple cameras, readers, locks, and auxiliary devices on a single supply line
• Fused Output Protection: Integrated fusing on output circuits protects connected equipment from short-circuit and overcurrent conditions
• Battery Backup Capability: Supports integrated battery modules for emergency hold-up power during mains failure, extending system uptime
• 115V AC Input: Standard North American mains voltage compatibility with universal power cord
• Compact Form Factor: DIN-rail or wall-mounted installation simplifies retrofit and new construction deployments

Integration & Compatibility

The T2AXK75F12D integrates seamlessly with access control systems, intercom infrastructure, and distributed camera networks. Its output fusing provides circuit-level protection without requiring external distribution blocks, reducing panel footprint. The battery backup connector accepts standard Altronix battery modules, enabling emergency illumination, door unlock, and system notification functions during AC loss. Dual voltage selection allows a single supply to support heterogeneous endpoint voltage requirements—12V for legacy cameras and readers; 24V for newer Power-over-Ethernet switches and auxiliary equipment.

This configuration is particularly valuable in multi-tenant or phased-expansion installations where equipment voltage standards may vary. Integrators can stock a single SKU rather than maintaining separate 12V and 24V units, reducing inventory complexity and deployment time.

Physical & Operational Specifications

Input voltage is 115V AC, 50/60 Hz. Output voltage is user-selectable between 12V DC and 24V DC at a maximum continuous rating of 20A. The unit includes fused output distribution, meeting UL and NEC requirements for circuit protection in security applications. Battery backup is accommodated through a dedicated connector interface compatible with Altronix battery modules. Environmental operating parameters support typical indoor mechanical room and panel-mount installations.

Ted Perry

Perspective based on aggregated IP Security Depot and affiliated engineering team experience.

I've evaluated the Altronix T2AXK75F12D in field deployments across mixed-voltage security infrastructure, and it consistently delivers reliable performance for mid-scale integrations. The selectable 12V/24V output eliminates the need to specify separate SKUs during design, which streamlines procurement and reduces lead-time variability. The 20A continuous rating is sufficient for typical 8–16 camera installations with auxiliary access control loads.

Technical Highlights:

• Dual Voltage Selection: Single unit supports both 12V and 24V endpoints, reducing inventory burden and enabling flexible system expansion
• Output Fusing: Integrated circuit protection prevents cascade failures when individual loads fault, protecting downstream equipment and compliance posture
• Battery Backup Interface: Enables emergency power scenarios without requiring separate battery chargers or external relay logic

Deployment Considerations:

• Confirm voltage selection during commissioning—output voltage is set at the supply and affects all downstream circuits, so mixed-voltage loads require separate supplies or secondary distribution
• Account for battery module weight and connector routing in panel layout, especially in retrofit installations where space is constrained
• Verify fuse ratings match circuit current demands to avoid nuisance trips and unnecessary service calls

The T2AXK75F12D is a dependable choice for integrators building systems in the 16–32 camera range with modest auxiliary loads. It offers practical voltage flexibility and battery backup without overengineering costs, making it a cost-effective fit for standard commercial security deployments.