Product Overview

The Huawei ETP48300-C9A1 is a high-density telecom power system delivering up to 300A output current for modern communication networks. It converts AC input into stable −48V DC power, supporting telecom equipment such as OLTs, transmission systems, routers, and core network devices.

The system adopts a modular architecture with rectifier modules, AC/DC distribution, and intelligent monitoring units, ensuring high reliability and easy maintenance. It supports both three-phase and single-phase AC input, making it suitable for various deployment environments.

With remote monitoring, battery management, and hot-swappable modules, it is widely used in large telecom sites and central offices.

Key Features

• High Output Capacity – Up to 300A / 18kW (3-phase)

• Modular Design – Supports multiple rectifier modules (up to 6 units)

• Hot-Swappable Modules – Rectifiers and monitoring modules support live replacement

• Wide Input Voltage Range – 85–300V AC

• Intelligent Monitoring – Remote management via SNMP / Web

• High Efficiency Rectifiers – Up to 96% efficiency

• Advanced Battery Management – Extends battery lifespan

Monitoring Module

Supported Monitoring Units

• SMU02B1

• SMU06C2

Functions

• Real-time monitoring of rectifiers, batteries, and loads

• Alarm detection and fault diagnostics

• Remote monitoring via FE / RS485 / RS232

• Integration with Huawei NetEco or third-party NMS

• Support for environmental sensors (temperature, smoke, water, etc.)

Rectifier Modules

Compatible Rectifiers

• R4850G2 (50A per module)

• Up to 6 rectifier modules