HW R4875G1 48V 75A 4000W telecom power high-efficiency rectifier module R4875G5

The Huawei 4875 series power module (such as R4875G1) is an efficient and high-power density communication rectifier module launched by Huawei, designed specifically for modern communication base stations, data centers, and industrial power systems. The following is an introduction to the main features and parameters of this series of power supplies:

1. Product Overview

The Huawei R4875G1 is a digital rectifier module that supports a wide input voltage range (85VAC~300VAC), with a default output of 53.5VDC (adjustable range 42V~58V), and a maximum output power of 4000W (some models have a nominal 4500W). This module adopts an efficient LLC resonant topology structure, with a conversion efficiency of up to 97%, and has comprehensive protection functions such as overvoltage, undervoltage, short circuit, and over temperature protection.

2. Core Features

High efficiency: Peak efficiency ≥ 97%, significantly reducing energy consumption.

Wide input voltage range: 85VAC~300VAC, suitable for different power grid environments, supports single-phase three wire or 110V dual live wire input.

Digital control: Supports CAN/RS485 communication, enabling remote monitoring and parameter adjustment.

Hot swappable function: supports online replacement without affecting system operation.

Low harmonic distortion (THD): ≤ 5%, compliant with green power standards.

High environmental adaptability: Operating temperature range of -40 ℃~+75 ℃, no derating below 55 ℃, supporting high-altitude (4000m) operation.

3. Typical application scenarios

5G communication base station: provides efficient and stable DC power supply for 5G equipment.

Data center: a power supply system suitable for server cabinets and network equipment.

Industrial power system: supports power conversion needs in fields such as electricity and transportation.

4. Technical parameters

Parameter specifications

Input voltage 85VAC~300VAC (single-phase three wire or 110V dual live wire)

Output voltage 42V~58VDC (default 53.5VDC)

Output power 4000W~4500W (depending on input voltage)

Efficiency ≥ 97%