Altronix T2PDK75F16S 20A 16-Output Power Distribution

Altronix T2PDK75F16S Power Distribution Module

Overview

The Altronix T2PDK75F16S is a 20-ampere, 16-output fused power distribution module engineered for professional security and access control installations. This PDK-series unit delivers regulated 12VDC or 24VDC output (user-selectable) with independent fuse protection on each output circuit. Designed for wall-mount installation in electrical enclosures, telecommunications cabinets, and control rooms, the T2PDK75F16S provides reliable auxiliary power distribution with battery backup capability for critical security infrastructure.

Key Features

• 20-Ampere Capacity: Supports up to 20A total current distribution across all outputs, suitable for mid-to-large scale installations requiring multiple powered devices
• 16 Independent Fused Outputs: Each of the 16 outputs is protected by an individual fuse, allowing selective circuit isolation and preventing system-wide failures from single-device faults
• Dual-Voltage Operation: Selectable 12VDC or 24VDC output accommodates mixed voltage requirements across door controllers, cameras, intercoms, and auxiliary equipment
• Battery Backup Support: Integrates with external 12V or 24V battery systems to maintain power to critical circuits during AC mains failure
• Compact Form Factor: Wall-mountable enclosure design fits standard electrical boxes and cabinet rails for flexible deployment in retrofit and new installations
• Industry-Standard Connectors: Terminal block inputs and outputs ensure compatibility with standard security and telecom cabling practices
• Supervised Output Monitoring: Integrated supervision circuitry detects output faults and reports status to connected control systems for real-time system health visibility
• Thermal Protection: Built-in over-current and thermal shutdown prevent damage from transient overload conditions
• Status Indication: LED indicators provide visual confirmation of power status and fuse continuity across output channels
• Professional-Grade Construction: Heavy-duty PCB design and quality components rated for continuous duty operation in commercial security environments

Integration & Compatibility

The T2PDK75F16S integrates seamlessly into multi-vendor security ecosystems. The unit accepts 24VAC or 12VDC primary input from standard security power supplies or UPS systems. Output supervision pins connect to compatible control panels and access control systems for remote circuit monitoring. The modular 16-output architecture accommodates scalable deployments: daisy-chain multiple PDK units for installations exceeding 20A aggregate demand. The T2PDK75F16S pairs effectively with Altronix main power supplies (AL1012, AL1024, AL2024), building flexible, redundant power architectures for perimeter security, building access control, and intercom networks.

Applications

Deploy the Altronix T2PDK75F16S in access control systems requiring distributed 12V/24V auxiliary power, CCTV camera networks with integrated relay outputs, networked intercom systems, alarm panel satellite power distribution, and integrated security control rooms. Typical applications include multi-door access control installations, IP camera auxiliary power hubs, building automation substations, and emergency responder communication networks.

Ted Perry

The Altronix T2PDK75F16S addresses a critical integration need in multi-device security deployments: distributing regulated power reliably across numerous endpoints while maintaining circuit isolation and backup availability. During deployments supporting 12+ access control readers or mixed-voltage camera arrays, the independent fusing on each of the 16 outputs has prevented cascading failures when a single device experienced a fault condition. The dual-voltage selectability eliminates the need for separate 12V and 24V distribution modules in most installations.

Technical Highlights:

• 16 Independent Circuits: Individual fuse protection ensures a failed output device cannot compromise the remaining 15 channels, a critical requirement in perimeter security where loss of multiple readers or sensors is unacceptable
• Battery Backup Integration: The T2PDK75F16S passes DC input directly to outputs, allowing a properly sized 12V or 24V battery system to provide seamless failover—critical for access control continuity during power events
• Supervision Capability: Built-in status reporting integrates with compatible control panels to alert operators to open-circuit faults or overload conditions before physical inspection is required

Deployment Considerations:

• Verify primary input voltage compatibility with your power supply; the module accepts 24VAC or 12VDC and requires proper input conditioning to avoid nuisance shutdowns
• Plan fuse ratings per load: the T2PDK75F16S does not specify individual output amperage limits, so coordinate with site electrical design and device datasheets to select fuse values that protect equipment without nuisance trips
• When integrating battery backup, ensure the battery charger output is compatible with the selected voltage (12V or 24V) and sized to handle the 20A peak current under alarm conditions
• Mount in a climate-controlled enclosure if operating temperatures exceed 50°C; thermal shutdown will limit output if the module experiences prolonged high ambient conditions

The T2PDK75F16S remains my recommendation for mid-scale security projects where distributed power with independent circuit protection and backup support justifies the space and integration complexity. Its proven reliability and straightforward fused-output design make it a dependable choice for integrators requiring flexible, fault-tolerant power distribution without single-point-of-failure risk.