The ESR-48/56A is a high-efficiency power system designed for telecommunication facilities and industrial infrastructure.
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Delta ESR-48/56A D High Efficiency Telecom Rectifier Module -48V 56A 3000W features a modular architecture and high-reliability components for simplified maintenance and monitoring.
Resolves power conversion inefficiency, confined space constraints, and complex battery lifecycle management.
Suitable for telecom base stations, data centers, edge computing aggregation nodes, and industrial DC applications.
| Key specifications | Value |
|---|---|
| AC Input Voltage | 88VAC ~ 300VAC (Nominal 220VAC) |
| DC Output Voltage | -48VDC (-42V ~ -58V) |
| Rated Output Current | 56A |
| Rated System Output Capacity | 3000W |
| Power Conversion Efficiency | ≥ 92.0% |
| Overall System Efficiency | Up to 96.2% (Gold Standard) |
| Cooling Method | Built-in axial fan with intelligent temperature-controlled forced-air cooling |
| Ingress Protection Rating | IP20 (Indoor Dust & Finger Proof) |
| Acoustic Noise | ≤ 55 dBA (at 25°C ambient load) |
| Dielectric Withstand Voltage | 3000VAC Input to Ground (< 5mA) |
Delta
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