Product Overview

The Huawei ETP48400-C3B1 is a compact, high-capacity embedded power system that converts AC input into stable −48V DC output for telecom equipment such as OLTs, routers, and transmission systems.

With support for high-efficiency rectifier modules and intelligent monitoring, the system delivers up to 400A output current and ensures reliable operation in demanding telecom environments. Its modular design allows flexible configuration and easy maintenance, making it ideal for 5G, ISP backbone, and core network deployments.

Key Features

• Ultra High Capacity – Up to 400A / 24kW output
• High Efficiency – Rectifier efficiency up to 97%
• Compact Design (~3U) – Saves rack space
• 5G Ready (57V Output Support)
• Hot-Swappable Modules – Maintenance without downtime
• Flexible AC Input – Supports single-phase and three-phase
• Intelligent Monitoring – Remote management via SNMP / Web

Monitoring Module

The system integrates an intelligent monitoring controller for full system management.

Functions

• Real-time monitoring of rectifiers, batteries, and load
• Alarm detection and event logging
• Remote communication via RS232 / RS485 / CAN / FE
• Support for environmental sensors
• Integration with Huawei NetEco or third-party NMS

Supported rectifier

• R4875G5 (4000W)
• R4850G5 (3000W)