Power outages and fluctuating mains can cripple data-centre equipment, so you need a reliable source that turns any standard AC or high-voltage DC into stable 48 VDC. The Bel Power Solutions TET4000-48-069RAH 4000W Front End AC-DC Power Supply delivers that conversion with high efficiency and built-in safety, keeping your servers and network gear running smoothly.
Why Choose a Bel Power Supply
Many buyers worry about choosing a power supply that can handle both AC and HVDC inputs without sacrificing efficiency. Others fear complex wiring or lack of monitoring. This unit removes those doubts by offering a wide input range, up to 97 % efficiency, and digital CAN-bus control for easy integration and real-time status checks. It fits neatly into rack-mount setups, so you get powerful performance without a bulky footprint.
Key Features of a 4000 W Power Supply
- Efficiency: up to 97 %. Keeps electricity costs low and reduces heat output.
- Input Voltage Range (VAC): 90 ~ 300 V. Works with standard mains across many regions.
- Input Voltage Range (HVDC): 192 ~ 400 V. Accepts high-voltage DC bus for flexible power architectures.
- Output Voltage: 48 VDC. Provides the exact voltage needed for 48 VDC distribution systems.
- Output Current: 73 A. Supplies ample current for high-performance servers and switches.
- Standby Output: 12 VDC / 60 W. Powers auxiliary circuits even when the main output is off.
- Dimensions: 530 × 69 × 40.5 mm (20.86 × 2.71 × 1.59 in). Fits comfortably in standard racks.
- Cooling: Fan-cooled. Ensures reliable operation within the 0 ~ +45 °C temperature range.
Usages of a 4000 W Power Supply
Ideal for data-centre operators, high-performance server farms, router manufacturers and network-switch providers who need a compact, high-density power source that can be paralleled and hot-plugged for redundancy and scalability.
Benefits of Bel Power Supply
- Reliability: Built-in over-temperature, over-voltage and over-current protection gives you peace of mind.
- Manageability: CAN-bus interface lets you monitor and update firmware remotely.
- Efficiency: High 97 % efficiency reduces operating costs and cooling requirements.
- Flexibility: Accepts both AC and high-voltage DC inputs, simplifying power architecture.
- Safety: Certified to UL/CSA 62368-1 and IEC 62368-1, meeting global safety standards.
Specifications
| Brand |
Bel |
| Power |
4000 W |
| Input Voltage Range (VAC) |
90 ~ 300 V |
| Input Voltage Range (HVDC) |
192 ~ 400 V |
| Number of Outputs |
1 |
| Output Voltage |
48 VDC |
| Standby Output Voltage |
12 VDC |
| Output Current |
73 A |
| Operating Temperature Range |
0 ~ +45 °C |
| Cooling Type |
Fan |
| Dimensions (L × W × H) |
530 × 69 × 40.5 mm |
| Dimensions (L × W × H) |
20.86 × 2.71 × 1.59 in |
| Mounting Type |
Rack Mount |
| Package |
Enclosed |
| Options |
Reverse Airflow |
| Market |
Networking & Data Centers |
| 80 PLUS Rating |
Titanium |
| Safety Standards |
62368 |
| Safety Approvals |
CB, CE, CSA, EAC, Nemko |
| RoHS Compliant |
Yes |
