The Vertiv NetSure 731 A61-S4 is a high-density 11U rack-mount -48VDC telecom power subrack engineered to house up to 10 high-efficiency R48-3200e or R48-3500e rectifiers, delivering up to 600A output.
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It is a fully integrated telecom-grade subrack combining AC input distribution, DC power distribution, an intelligent supervisory controller (M530S or M830B), and rectifier slots into an 11U 19-inch form factor, designed for demanding telecom architectures.
Solves space-constrained macro site distribution issues, minimizes energy conversion losses with 96%+ efficiency, and prevents catastrophic battery depletion via independent LLVD and BLVD contactor schemes.
Telecommunication central offices, wireless macro cellular base stations (4G/5G), optical transmission repeater hubs, and enterprise telecom rooms.
| Key specifications | Value |
|---|---|
| AC Input Voltage | 85VAC ~ 300VAC (3-Phase 5-Wire 380VAC) VAC |
| Smart Monitoring Controller | NCU / M830B Central Monitoring System |
| Cooling System Architecture | Isolated duct forced air cooling |
| Nominal Output Voltage | -48VDC (-42V ~ -58V) VDC |
| Managed Rectifier Capacity | 6 Slots for R48-3200e / R48-3500e3 Modules |
| Rated DC Output Current | 600A (System Capacity 28.8kW) |
| Form Factor Dimensions (HxWxD) | 266 (6U) × 482 × 380 mm |
| Peak Energy Efficiency | ≥96.5% |
| Operating Temperature Range | -40°C ~ +65°C |
Vertiv
Carrier-grade industrial high-frequency switch-mode power supply designed for high-efficiency AC/DC conversion, bus regulation, and intelligent battery management.
Standard 19-inch rack-mount embedded DC power system engineered for wide-range AC input, active rectifier redundancy, and tiered load/battery low-voltage disconnect.
The Vertiv ER22010-T is a 220Vdc/10A high-voltage DC switch-mode rectifier module engineered for utility substations, power plants, and HVDC distribution systems. Utilizing advanced resonant soft-switching technology, it delivers >94% peak efficiency, hot-swappable reliability, and comprehensive electrical protection.
The Vertiv ER22020-T is a 4.4kW high-power switch-mode rectifier module delivering 220Vdc/20A for utility substations and critical industrial DC systems. Powered by full DSP digital control and LLC resonant conversion, it provides industry-leading electrical stability across extreme temperatures.
