The Delta ESR-48/56BC is a ruggedized 48V 56A high-reliability telecom switch-mode rectifier module rated at 3000W, engineered for extreme temperatures and featuring enhanced surge immunity.
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This unit is primarily deployed within Delta outdoor enclosures and indoor telecom power racks, providing high-purity -48V DC power with superior lightning surge immunity.
Solves outdoor base station vulnerabilities such as extreme ambient heat and grid lightning surges causing premature rectifier failure, ensuring high uptime for unattended sites.
Engineered for 4G/5G outdoor integrated cabinets, remote border station towers, highway surveillance power systems, and utility substation communications.
| Key specifications | Value |
|---|---|
| Rated Output VA / Wattage | 3000W |
| AC Input Voltage | 85V to 300V AC (Nominal 220VAC) |
| Protection & Mounting | 6kV Surge Immunity / Hot-Swap |
| Rated DC Output Current | -48VDC (-42V ~ -58V) |
| Nominal DC Output Voltage | -48VDC (-42V ~ -58V) |
| Operating Temperature Range | -40°C ~ +75°C |
| 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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