Product Overview

The Huawei ETP48400-C4B1 is a compact, high-efficiency telecom power system that converts AC input into stable −48V / −57V DC output for telecom equipment.

With a 4U high-density design and up to 24kW capacity, it is ideal for modern telecom deployments where space and power density are critical.

The system integrates:

• Rectifier modules
• AC/DC distribution
• Intelligent monitoring
• Smart breakers (metering + protection)

Key Features

• Ultra High Capacity – Up to 400A / 24kW output
• Compact 4U Design – High power density, space saving
• Dual Output Support – −48V / −57V DC output
• High Efficiency – Rectifier efficiency up to 96–97%
• Modular Architecture – Flexible expansion of rectifiers and distribution
• Hot-Swappable Modules – Maintenance without service interruption
• Intelligent Breakers – Precise load metering and control
• Remote Monitoring – Supports NMS / NetEco integration

Monitoring Module

According to system design, the unit supports Huawei intelligent monitoring (e.g., SMU02C).

Functions

• Real-time monitoring of rectifiers, batteries, and loads
• Alarm detection and event logs
• Remote communication via RS232 / RS485 / CAN / Ethernet
• Environmental monitoring (temperature, smoke, water)
• Remote management via Huawei NetEco

Rectifier Modules

• R4875G5 (4000W)
• R4850G5 (3000W)