Altronix MAXFIT33FE Dual Voltage Power Supply 12/24VDC

Altronix MAXFIT33FE Expandable Dual Power Supply System

Overview

The Altronix MAXFIT33FE is a dual-channel expandable power supply system designed for security integrators and system installers who require flexible voltage configuration and scalable capacity. This unit delivers simultaneous 12VDC and 24VDC outputs at 6A per channel, with maximum current capability of 10A at 24VDC, making it suitable for mid-range access control, surveillance, and networked security deployments. The system ships with a BC750 enclosure, providing a compact, professional mounting solution for integration into larger infrastructure builds.

Key Features

• Dual Voltage Outputs: Simultaneous 12VDC and 24VDC delivery at 6A per channel, accommodating mixed-voltage device ecosystems in a single system
• Maximum Output Current: 10A capacity at 24VDC for high-demand configurations or future expansion
• Expandable Architecture: Design supports system expansion, allowing integrators to scale power delivery as security infrastructure grows
• BC750 Enclosure: Compact, professional-grade mounting enclosure rated for wall or DIN-rail installation in server rooms, electrical closets, and security control centers
• Independent Channel Control: Each voltage rail operates independently, enabling selective load management and reduced system interdependencies
• Integrator-Friendly Design: Terminal block connections and modular layout simplify installation, reconfiguration, and troubleshooting in the field

Integration and Deployment Scenarios

The MAXFIT33FE addresses heterogeneous security environments where legacy 12VDC devices coexist with modern 24VDC standards. Access control systems, IP camera power distribution, door lock controllers, and alarm panel feeds can all be served from a single unit. The expandable topology means integrators can specify this platform for current requirements while maintaining upgrade paths without chassis replacement. The BC750 enclosure fits standard 19-inch relay racks and wall-mount frames common in enterprise security operations centers.

Electrical Specifications

Output voltage selectable between 12VDC and 24VDC per channel at 6A continuous rating. Maximum system current reaches 10A at 24VDC, providing headroom for transient loads and future circuit additions. The dual-output topology eliminates the need for separate single-voltage power supplies, reducing inventory complexity and footprint in the field. This configuration is particularly valuable for integrators managing large multi-site deployments where standardization on a single chassis model lowers spare-parts overhead.

Professional Installation Considerations

The MAXFIT33FE is suitable for new-build security systems and retrofit expansions in facilities requiring mixed-voltage infrastructure. Independent voltage outputs allow load balancing across circuits—12VDC devices can be isolated from 24VDC spikes, and vice versa. Terminal block layout supports both hardwired and quick-connect installation methods, accelerating commissioning timelines. The BC750 enclosure accepts standard DIN-rail modules, permitting co-location with surge protection, monitoring relays, or supplemental battery backup hardware in a single cabinet footprint.

Marty Allison

I have evaluated the Altronix MAXFIT33FE during system planning for a 40-site retail security retrofit. This dual-output expandable design solved a real problem: our legacy access controllers required 12VDC, but new IP cameras demanded 24VDC. Rather than two separate power systems per location, the MAXFIT33FE consolidated voltage distribution into one BC750 chassis, cutting installation labor and reducing single points of failure.

Technical Highlights:

• Dual Independent Outputs: 12VDC and 24VDC channels operate in parallel without cross-coupling, isolating 12VDC legacy devices from 24VDC noise or transients
• Scalable Capacity: 10A maximum at 24VDC and 6A per channel deliver adequate headroom for mid-scale deployments; expandable architecture permits phased buildouts without forklift upgrades
• Compact Form Factor: BC750 enclosure eliminates custom cabinet work; fits standard security relay racks used across enterprise sites

Deployment Considerations:

• Validate upstream breaker and UPS battery capacity before connecting legacy 12VDC circuits; mixed-voltage loads can create imbalanced distribution if not planned carefully
• Use separate terminal blocks or color-coded cabling for 12VDC and 24VDC runs to prevent field technician errors during maintenance or expansion
• Plan for battery backup modules early; the MAXFIT33FE architecture supports supplemental battery supervision if future requirements emerge

For integrators standardizing on Altronix platforms, the MAXFIT33FE pays dividends in inventory reduction, installation speed, and long-term flexibility. It is a pragmatic choice for mid-market security deployments where mixed-legacy and modern device ecosystems are the norm rather than the exception.