Altronix T3SSK75F28 28-Door Access Control Power Integration Kit
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Description
Premium Access & Power Integration Solution for 28-Door Security Systems
The Altronix T3SSK75F28 is a robust 28-door access and power integration kit engineered to centralize and simplify your access control infrastructure. Designed for professional security installations, this Trove3SS3-based solution delivers reliable and scalable power for up to 28 locking devices or accessories, making it ideal for commercial buildings, campuses, and multi-door facilities.
At its core, the T3SSK75F28 combines high-capacity power supply/chargers with streamlined board layout and superior wire management to significantly reduce installation time and labor costs. The kit provides both 12 VDC and 24 VDC output at a total of 20 A, supporting diverse access control hardware needs with dependable performance.
This all-in-one solution includes multiple fused access power controllers and distribution modules to ensure organized power delivery across all connected devices. The rugged indoor enclosure accommodates optional backup batteries (sold separately) for uninterrupted operation during power outages, while easy-to-access knockouts facilitate efficient wiring and system expansion.
Whether you’re upgrading an existing access control environment or deploying a new security system, the Altronix T3SSK75F28 delivers the performance, flexibility, and professional-grade reliability needed to power today’s comprehensive door-access installations.
Key Features & Benefits
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Supports up to 28 access-controlled doors
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Dual-voltage architecture: 24VDC and 12VDC
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Integrated eFlow power supply/chargers
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Multiple ACM access power controllers
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Supervised Fire Alarm Control Panel (FACP) disconnect
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Battery backup support with automatic failover
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UL Listed Trove™ system components
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Professional enclosure with organized wiring and expansion capability
Detailed Specifications
| Altronix T3SSK75F28 Specifications | |
|---|---|
| Power Supply / Charger – eFlow104NB (24VDC) | |
| Input Voltage | 120VAC, 60Hz, 4.5A max |
| Input Fuse | 6.3A / 250V |
| Output Voltage | 24VDC @ 10A |
| Auxiliary Output | 1A (unswitched) |
| Protection | Overvoltage protection, filtered and regulated |
| Power Supply / Charger – eFlow102NB (12VDC) | |
| Input Voltage | 120VAC, 60Hz, 3.5A max |
| Input Fuse | 5A / 250V |
| Output Voltage | 24VDC @ 10A |
| Auxiliary Output | 1A (unswitched) |
| Protection | Overvoltage protection, filtered and regulated |
| Battery Backup & Charging | |
| Battery Capacity | 12VDC / 12Ah (2 inside enclosure); 40Ah / 65Ah with external enclosure |
| Battery Type | Sealed lead acid or gel type (sold separately) |
| Output Voltage | 24VDC @ 10A |
| Auxiliary Output | 1A (unswitched) |
| Failover | Instantaneous upon AC loss |
| Supervision & Safety | |
| Fire Alarm Disconnect | Supervised latching or non-latching, 10K EOL resistor |
| Supervision Outputs | AC Failure & Battery Form “C” contacts |
| Low DC Shutdown | Shuts down output at 71–73% (12V) / 70–75% (24V) battery capacity |
| Access Power Controllers | |
| Controllers Included | Three (3) ACM8 and One (1) ACM4 |
| Output Voltage | 24VDC |
| Relay Rating | Form “C” relays rated 28VAC/VDC @ 2.5A |
| Output Configuration | Fail-Safe, Fail-Secure, Auxiliary, or combination |
| Power Distribution | |
| Modules Included | Two (2) PD16W |
| Output Voltage | 12VDC |
| Output Fuses | 3.5A / 250V |
| Physical & Environmental | |
| Enclosure Dimensions (H×W×D) | 36.12” × 30.125” × 7.06” |
| Weight (Product) | 85.6 lb (38.83 kg) |
| Operating Temperature | 0°C to 49°C (32°F to 120°F) |
| Relative Humidity | 85% ±5% |
| Heat Output | 289 BTU/hr (approx.) |
| Certifications | |
| Listings | UL Listed sub-assemblies, CE compliant |
