Huawei ETP48100-B1 Embedded AC/DC Power System

Functions and Applications

Core Function:

Performs power conversion from 220V AC to -48V DC.

Typical Applications:

Powers telecommunications equipment such as BBUs (Baseband Units), RRUs (Remote Radio Units), and OLTs (Optical Line Terminals); commonly used in scenarios such as indoor distributed antenna systems.

Key specifications

Physical Dimensions:

Standard 19-inch rack-mount design, 1U height; suitable for installation in 600mm-deep cabinets.

Rated Output:

Output voltage range of -42V DC to -58V DC; rated output power of 3000W. Output current can reach 50A or 100A, depending on configuration.

Input Requirements:

Supports single-channel 220V AC input; equipped with a 20A AC circuit breaker.

Power Distribution Specifications:

Provides four 30A DC output channels (quick-connect type).

Features

Flexible Configuration:

The chassis accommodates varying numbers of rectifier modules (such as the R4850G2) to provide output capacities of 50A or 100A.

High Efficiency and Energy Saving:

The power modules offer high conversion efficiency (rated at 96%–98%), helping to reduce operating costs.

Hot-Swappable Design:

The rectifier modules support hot-swapping, facilitating online maintenance and capacity expansion without interrupting system operation.

Wide Input Voltage Range:

Supports a broad AC input voltage range (e.g., 85 Vac–300 Vac), ensuring adaptability to unstable grid environments.