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: S4875G1
Huawei S4875G1 Ultra-High Efficiency Telecom Rectifier Module (48V 75A 4000W)
The Huawei S4875G1 is a high-power-density digital AC/DC rectifier converting single-phase AC to precision -48V DC, optimized for heavy-load 5G base stations with active power factor correction and autonomous load sharing.
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- DC Output Voltage
- -48VDC (-42V ~ -58V) V DC
- Rated Output Current
- 75 A
- Power Conversion Efficiency
- ≥ 96.0%
- Physical Dimensions
- 40.8 (1U) × 105 × 281 mm
- AC Input Voltage Range
- 85 ~ 300 V AC
- Operating Temperature Range
- -40 ~ +75°C
What this product is
What this product is
Telecom-grade 4kW high-capacity rectifier module for Huawei 5G power subracks.
What problem it solves
Satisfies the massive power demands of 5G active antenna arrays while slashing site electricity OPEX with 96.5%+ efficiency.
Who and where it is for
5G wireless macro sites, hybrid solar-grid facilities, modular data shelters, and outdoor heavy-duty power cabinets.
Core advantages
- Ultra-high conversion efficiency >96.5% to minimize thermal loss
- Heavy-duty 75A (4000W) output capacity per single slot
- Wide input tolerance from 85VAC to 300VAC with 6kV surge immunity
- Intelligent CAN bus communication with automated energy-saving sleep
Technical specifications
| Key specifications | Value |
|---|---|
| DC Output Voltage | -48VDC (-42V ~ -58V) V DC |
| Rated Output Current | 75 A |
| Power Conversion Efficiency | ≥ 96.0% |
| Overall System Efficiency | Up to 96.2% (Gold Standard) |
| Physical Dimensions | 40.8 (1U) × 105 × 281 mm |
| 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) |
| AC Input Voltage Range | 85 ~ 300 V AC |
| Operating Temperature Range | -40 ~ +75°C |
Applications
01
5G Wireless Macro Base Stations
02
Hybrid Solar-Diesel-Grid Telecom Sites
03
Data Center High-Density DC Plants
04
Core Optical Fiber Transmission Hubs
Frequently asked questions
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