Vertiv(Emerson) R48-2000A3 48V 2000W Telecom Rectifier Module

Specifications

Product Overview

The Vertiv R48-2000A3 (Former Emerson eSure Standard Series) is cost-effective digital hot-swap rectifier, designed to match all Vertiv NetSure embedded telecom power systems. Rated max 37A/2000W@48VDC, it converts wide-range single-phase 85~300VAC mains into adjustable 42~58VDC standard telecom voltage(default53.5VDC). Adopts mature switching power & active PFC technology, full-load PF≥0.99 and nominal efficiency ≥94%. Standard drawer hot-plug structure enables online replacement without shutting down cabinet power; built-in CAN bus links with shelf controller for remote parameter setup and fault reporting. Cost-efficient choice for regular indoor 4G/5G small cell, FTTx OLT and old telecom cabinet spare replacement projects globally。

Key Features

Ultra-wide AC input:85~300VAC(45~65Hz, nominal200~250VAC), fit global unstable grid and diesel generator supply

Adjustable DC output:42~58VDC(default53.5V), max37A constant power output, precise voltage regulation

Active PFC design, full-load PF≥0.99, low input harmonic, peak efficiency ≥94% to control running electricity cost

Full hot-swap plug-and-play construction, front pull-out design for rapid field maintenance without system power-off

Intelligent thermostatic fan cooling, auto speed adjustment by inner temperature for low noise and long service life

Complete multi-layer protection:OVP/UVP/OCP/SCP/OTP plus input lightning surge protection

CAN bus communication, realize real-time data sync with cabinet monitoring unit for remote management

Wide operating range:-40℃~+65℃(derate above 45℃), stable below 4000m altitude, CE compliant certification

Technical Specifications

Applications

Indoor & Outdoor 4G/5G Micro Small Cell DC Backup Power

FTTx OLT & DSLAM Cabinet Embedded Rectifier Replacement

Pole-mounted Unmanned Outdoor Communication Cabinet Power Upgrade

Old NetSure Power Cabinet Capacity Expansion Project

Mini Edge Data Room Auxiliary DC Power Source

Conventional Telecom Station Power Renovation

Why Choose Us

We are a professional manufacturer and one‑stop solution provider for communication DC power systems, boasting mature R&D strength, large‑scale production capacity and flexible service modes. We fully support OEM and OBM cooperation, helping global partners create differentiated power products.

Powerful R&D & Customization Ability

We have a professional technical team with years of experience in the power industry. We can provide personalized customized services covering power configuration, external interfaces, functional parameters, appearance design and logo printing, to satisfy diverse demands from telecom operators, system integrators and equipment manufacturers.

Comprehensive OEM & OBM Services

We offer full‑cycle cooperation support from product design, prototype testing, certification to mass production. With efficient development process and strict quality management, we help you quickly launch products and build exclusive brand advantages.

Large Production Capacity & On-time Delivery

We own standardized production workshops and complete production lines. Relying on a stable supply chain and mature production technology, we maintain sufficient inventory and strong production capacity, ensuring on-time delivery even for bulk orders and long-term cooperative supply.

Strict Multi-level Quality Inspection

All products will pass full-load operation test, high-low temperature aging test, safety performance test and simulated on-site operation test before delivery. We adopt high-quality original components and implement strict quality control standards to guarantee long-term stable operation of products in various harsh environments.

Full Lifecycle Technical & After-sales Support

We establish a complete service system including pre-sales consultation, in-sales technical guidance and after-sales maintenance. Our technical team responds quickly to provide remote debugging, on-site technical guidance and spare parts supply, protecting the stable operation of your power system all the time.

Rich Global Project Experience

Our products have been exported to many countries and regions, widely applied in communication, data center, industrial control, new energy and fields. With rich project experience, we can provide targeted power solutions for different regional standards and application scenarios.

We sincerely look forward to establishing long‑term stable cooperative partnership with you.