The Delta ESR-48/56G is Delta's flagship ultra-high-efficiency telecom rectifier delivering -48V 56A (3200W) with an outstanding 96.8% peak efficiency, engineered for high-demand 5G cellular base stations.
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The Delta ESR-48/56G is Delta's flagship ultra-high-efficiency telecom rectifier delivering -48V 56A (3200W) with an outstanding 96.8% peak efficiency, engineered for high-demand 5G cellular base stations.
Resolves power grid instability, excessive OPEX energy dissipation, battery degradation, and rack footprint constraints.
5G cellular cell sites, core telecom DC plants, AI data centers, transport networks, and critical industrial DC UPS.
| Key specifications | Value |
|---|---|
| Rated DC Output Current | -48VDC (-42V ~ -58V) |
| Rated Output VA / Wattage | 3200W High Power Density |
| Nominal DC Output Voltage | -48VDC (-42V ~ -58V) |
| AC Input Voltage | 85V - 300V AC Wide Grid Tolerance |
| Cooling Architecture | Long-Life Brushless Speed-Regulated Fan |
| Peak Energy Efficiency | 96.8% |
| Overall System Efficiency | Up to 96.2% (Gold Standard) |
| Acoustic Noise | ≤ 55 dBA (at 25°C ambient load) |
| Ingress Protection Rating | IP20 (Indoor Dust & Finger Proof) |
| Dielectric Withstand Voltage | 3000VAC Input to Ground (< 5mA) |
Delta
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