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: R4850N1
Huawei R4850N1 Classic Telecom Rectifier Module (48V 50A 3000W)
The Huawei R4850N1 is a reliable AC/DC switch-mode power module featuring active PFC and soft-switching topology to provide filtered -48V DC power with automated load balancing.
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- DC Output Voltage
- -48VDC (-42V ~ -58V) V DC
- Rated Output Current
- 50 A
- Power Conversion Efficiency
- ≥ 94.0%
- Physical Dimensions
- 40.8 (1U) × 105 × 281 mm
- AC Input Voltage Range
- 85 ~ 300 V AC
- Operating Temperature Range
- -40°C ~ +75°C
What this product is
What this product is
Standard hot-swappable telecom rectifier module compatible with Huawei ETP48 series power shelves.
What problem it solves
Protects cellular base station electronics from severe grid disturbances with highly regulated clean DC power.
Who and where it is for
Wireless cellular macro sites, optical central offices, microwave repeaters, and enterprise communications.
Core advantages
- Field-proven industrial reliability with low failure rates
- Wide AC input range from 85VAC to 300VAC
- Comprehensive automated protection suite for over-temp and short-circuit
- True hot-swappable architecture for zero-downtime maintenance
Technical specifications
| Key specifications | Value |
|---|---|
| DC Output Voltage | -48VDC (-42V ~ -58V) V DC |
| Rated Output Current | 50 A |
| Power Conversion Efficiency | ≥ 94.0% |
| 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°C ~ +75°C |
Applications
01
Cellular Macro & Micro Wireless Sites
02
Metro Optical Transmission Hubs
03
Utility SCADA Substation DC Systems
04
Transportation Traffic Signaling Enclosures
Frequently asked questions
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