Feature

Description

Compact Structure

Rack mounted metal enclosure for telecom cabinet installation

Clear Distribution Area

Front panel marked with AC INPUT AC SPD LLVD BLVD BAT1 and BAT2

Load Priority Control

LLVD and BLVD branches support different load levels

Battery Protection

Two battery breaker positions for battery string connection

Front Operation

Breakers monitoring unit terminals and alarm ports are all accessible from the front

Site Monitoring

Built in controller with display indicators LAN port RS485 port and terminal alarm interface

Heat Dissipation

Large top ventilation area supports airflow and system cooling

Safe Operation

Warning labels and protected breaker layout improve field operation safety

Export Packing

Wooden crate and inner cartons protect the equipment during long distance shipment

Application

Use

Telecom Base Station

Provides Negative 48V DC power distribution for network equipment

Outdoor Telecom Cabinet

Suitable for integrated cabinet power systems

Transmission Room

Supports DC supply for transmission and access devices

Fiber Access Site

Powers access network equipment and backup loads

Battery Backup System

Connects battery strings through BAT1 and BAT2 branches

Weak Grid Site

Helps manage priority loads during power interruption

Remote Site

Supports monitoring through communication and dry contact interfaces

Area

Visible Configuration

AC Input

Front left AC INPUT breaker area

AC Surge Protection

AC SPD modules installed beside input breaker

LLVD Area

F1 to F7 load branches for priority DC loads

BLVD Area

F8 to F13 load branches for controlled backup loads

Battery Area

BAT1 and BAT2 battery breaker positions

Monitoring Area

Controller with LAN RS485 display window and status indicators

Signal Terminal Area

DI DO battery temperature environment temperature RS485 and SPD terminals

Module Area

Lower front slots for power modules or functional units

Cooling Area

Perforated top ventilation panels for heat dissipation

Item

Specification

Model

ETP48300 005

System Type

Negative 48V DC telecom power platform

Rated Current

300A class configuration

Installation

Rack mounted telecom cabinet installation

Input Section

AC INPUT front breaker area

Surge Protection

AC SPD installed

Load Distribution

LLVD and BLVD separated distribution

LLVD Branches

F1 to F7

BLVD Branches

F8 to F13

Battery Branches

BAT1 and BAT2

Communication Port

LAN and RS485 visible on controller

Alarm Terminal

DI DO RS485 SPD and temperature terminal interface

Maintenance Mode

Front operation and front wiring access

Cooling Design

Top ventilation with metal air grille

Enclosure

Black metal rack mounted chassis

Packing Method

Export wooden case with inner carton packaging

Branch Area

Function

LLVD

For higher priority telecom loads that need longer backup time

BLVD

For lower priority loads that can be disconnected to protect batteries

BAT1

Battery string input or output protection branch

BAT2

Second battery string protection branch

AC SPD

Protects AC side against surge impact

Signal Terminal

Supports monitoring alarm and sensor wiring

RS485 Label

Clear communication diagram printed near terminal block

Packing Part

Description

Outer Package

Reinforced wooden export case

Inner Package

Individual carton boxes inside the crate

Protection Method

Cartons fixed inside wooden case to reduce movement

Handling Mark

Sensitive equipment handle with care label

Shipment Use

Suitable for factory delivery project shipment and overseas transport