Specifications
Model
TET3600-48-104RA
Output power
3,600 W
Main output voltage
40-57 VDC (54.5 V nominal, intermediate bus)
Efficiency
97% at half load (best-in-class)
Power density
56 W per cubic inch
Airflow
Reverse airflow variant (104 suffix)
Switching topology
DSP-controlled resonant soft switching
Power factor correction
Digitally controlled active PFC stage
Control and monitoring
Digital bus, full monitoring and control
Redundancy
Hot-plug capable, parallel or redundant operation
Form factor
Front-end / rack-mount supply
Input class
AC mains or HVDC plant input for intermediate bus architectures
Target systems
High-performance servers, routers, switches and data center equipment
Overview
The Bel Power TET3600-48-104RA is a 3,600 W front-end AC-DC power supply designed for intermediate bus architectures. It converts facility AC or HVDC into a 40-57 VDC main output at 54.5 V nominal, and reaches 97% efficiency at half load - a figure that matters directly to rack-level power budgets in dense AI and networking enclosures.
Bel builds the TET3600 around DSP-controlled resonant soft switching, which lowers component stress and improves reliability, and packs the result at 56 W per cubic inch of power density. The supply is hot-plug capable and designed for parallel or redundant operation, with a digitally controlled PFC stage and a digital bus that exposes full monitoring and control to the shelf controller. The -104RA ordering code specifies the reverse-airflow variant for enclosures that pull air front-to-back.
Key Benefits
3,600 W in a front-end form factor supports high-density 48 V bus architectures. 97% at half load cuts waste heat at the load point that matters. 56 W per cubic inch maximises power per rack unit. Hot-plug, parallel-capable simplifies N+1 and N+N redundancy.
Applications
AI and HPC servers, 48 V intermediate bus racks, routers and switches, storage arrays, and OCP-style power shelves in data centers.
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