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: R4830G1
Huawei R4830G1 High Efficiency Telecom Rectifier Module (48V 30A 2000W)
Huawei R4830G1 is a digital switch-mode rectifier module (-48V/30A, 2000W) offering >96% peak efficiency and 85VAC~300VAC wide operating range.
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- AC Input Voltage
- 85VAC ~ 300VAC (Nominal 220VAC) VAC
- DC Output Voltage
- -48VDC (-42V ~ -58V) V DC
- Cooling Method
- Built-in temperature-controlled variable-speed fan with forced-air cooling
- Physical Dimensions
- 40.8 (1U) × 105 × 281 mm
- Power Conversion Efficiency
- ≥ 96.0%
- Operating Temperature Range
- -40°C ~ +75°C
What this product is
What this product is
Telecom-grade power infrastructure module designed for HUAWEI power architecture.
What problem it solves
Eliminates grid power anomalies and brownout hazards across mission-critical communication centers.
Who and where it is for
Cellular wireless sites, optical broadband hubs, edge computing racks, and industrial private networks.
Core advantages
- Ultra-High Efficiency: Peak efficiency exceeds 96%, significantly lowering site power consumption and OPEX.
- Wide Grid Adaptability: Supports 85VAC–300VAC ultra-wide input voltage, handling severe grid fluctuations effortlessly.
- Extreme Environment Resilience: Operates reliably from -40°C to +75°C, ensuring 24/7 power for edge base stations.
- Carrier-Grade Reliability: Engineered for Huawei telecom power platforms, delivering continuous -48V DC power.
Technical specifications
| Key specifications | Value |
|---|---|
| AC Input Voltage | 85VAC ~ 300VAC (Nominal 220VAC) VAC |
| DC Output Voltage | -48VDC (-42V ~ -58V) V DC |
| Power Conversion Efficiency | ≥ 96.0% |
| Cooling Method | Built-in temperature-controlled variable-speed fan with forced-air cooling |
| 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) |
| Operating Temperature Range | -40°C ~ +75°C |
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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