Huawei EPW50-48A Robust Telecom Rectifier Module (48V 50A 3000W)
The Huawei EPW50-48A is an industrial-grade switch-mode AC/DC power module utilizing digital DSP control and active PFC to deliver clean regulated -48V DC power
HuaweiModel: R4875G5
Huawei R4875G5 Ultra-High Efficiency Rectifier Module (48V 75A 4000W 97% Peak)
The Huawei R4875G5 represents a pinnacle of telecom power engineering, delivering 75A / 4000W output at an astounding 97% peak conversion efficiency in a standard 1U hot-swappable profile.
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- Rated DC Output Current
- -48VDC (-42V ~ -58V)
- Rated Output VA / Wattage
- 4000W High Power Density
- Peak Energy Efficiency
- 97%
- Nominal DC Output Voltage
- -48VDC (-42V ~ -58V)
- AC Input Voltage
- 85V - 300V AC Wide Grid Tolerance
- Chassis Form Factor
- 1U Hot-Pluggable Modular Rectifier Cassette
What this product is
What this product is
The Huawei R4875G5 represents a pinnacle of telecom power engineering, delivering 75A / 4000W output at an astounding 97% peak conversion efficiency in a standard 1U hot-swappable profile.
What problem it solves
Resolves power grid instability, excessive OPEX energy dissipation, battery degradation, and rack footprint constraints.
Who and where it is for
5G cellular cell sites, core telecom DC plants, AI data centers, transport networks, and critical industrial DC UPS.
Core advantages
- 97% Benchmark Efficiency: Massive reduction in power conversion heat cuts operational OPEX dramatically.
- 75A Mega-Capacity Output: A single module provides 75A, slashing subrack module count by 33%.
- Advanced CAN Bus Telemetry: Digital interface reports temperature, voltages, and lifetime diagnostics.
- Extreme Thermal Range: Operates reliably from -40°C to +75°C in tropical and desert outdoor cabinets.
Technical specifications
| Key specifications | Value |
|---|---|
| Rated Output VA / Wattage | 4000W High Power Density |
| Chassis Form Factor | 1U Hot-Pluggable Modular Rectifier Cassette |
| AC Input Voltage | 85V - 300V AC Wide Grid Tolerance |
| Rated DC Output Current | -48VDC (-42V ~ -58V) |
| Nominal DC Output Voltage | -48VDC (-42V ~ -58V) |
| Peak Energy Efficiency | 97% |
| 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) |
Applications
01
Telecom 4G/5G macro cellular base stations and distributed remote power sites
02
Enterprise-grade cloud data center mission-critical -48V DC power distribution lineups
03
Utility power grid dispatch centers and high-voltage substation DC switchgear rooms
04
Railway transit signaling, automated train control, and communications equipment rooms
Frequently asked questions
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