The Delta ESR-48/56CN is a heavy-duty telecom rectifier module engineered for high-temperature and harsh outdoor cellular base stations, delivering -48V 56A (3200W) with rugged thermal management and >96% peak conversion efficiency.
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The Delta ESR-48/56CN is a heavy-duty telecom rectifier module engineered for high-temperature and harsh outdoor cellular base stations, delivering -48V 56A (3200W) with rugged thermal management and >96% peak conversion efficiency.
Resolves severe power grid instability, excessive OPEX energy dissipation, battery degradation, and cabinet thermal constraints.
5G cellular cell sites, core telecom DC plants, data center critical power infrastructure, railway signaling, and industrial UPS.
| Key specifications | Value |
|---|---|
| Rated DC Output Current | -48VDC (-42V ~ -58V) |
| Rated Output VA / Wattage | 3200W High Power Density |
| AC Input Voltage | 85V - 300V AC Wide Grid Tolerance |
| Operating Temperature Range | -40°C ~ +75°C |
| Nominal DC Output Voltage | -48VDC (-42V ~ -58V) |
| Peak Energy Efficiency | 96.0% |
| 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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