Product Overview
The Vertiv (formerly Emerson) NetSure 211 C46 is a highly reliable, fully digital embedded DC power system designed for mission‑critical telecom applications including 4G, FTTx, digital communication equipment, transmission nodes and access network equipment. It converts wide‑range AC input into stable adjustable –48V DC output, delivering rated power 4kW and max output current 80A in a compact 19‑inch chassis.
With high power density, full front operation, hot‑swap modules and comprehensive surge protection, this system delivers outstanding reliability and easy maintenance. It is the ideal power solution for space‑constrained equipment rooms and outdoor communication cabinetsVertiv.
Key Features
Standard 19‑inch rugged structure, compact and lightweight, ideal for embedded installation
Small footprint saves equipment room space and lowers installation cost
Full front operation & maintenance for easy installation and upkeep
Ultra‑wide AC input range 90–290VAC, 45–65Hz, strong grid and generator adaptability
Wide rectifier operating temperature for excellent environmental resistance
Hot‑swappable modules for damage‑free replacement and high availability
Full lightning & surge protection on AC, DC and signal sides
Advanced battery management to effectively extend battery life
Multiple communication interfaces: RS232, dry contact, supporting remote monitoring & networking
High power factor ≥0.99, efficiency >90%, energy saving and low operating cost
Certified with CE, RoHS and global telecom safety standards
Technical Specifications
| Item | Details |
| Brand | Vertiv / Emerson |
| Model | NetSure 211 C46 |
| System Type | 19‑inch embedded DC power system |
| AC Input | 90–290VAC, 45–65Hz |
| DC Output | –42.3 ~ –57.6VDC; Nominal –48VDC / 53.5VDC |
| Max Output Current | 80A |
| Rated Output Power | 4kW |
| Matching Rectifier | R48‑1000A |
| Peak Efficiency | >90% |
| Power Factor | ≥0.99 |
| Protection Functions | OVP, OCP, SCP, OTP, LVBD, full surge protection |
| Communication | RS232, dry contact |
| Dimensions (W×D×H) | 437 × 289 × 132 mm |
| Weight | <13 kg |
| Operating Temp | –5°C ~ +40°C (rectifier: –40°C ~ +65°C) |
| Certifications | CE, RoHS |
| Warranty | 12 Months |
| Application | FTTx, telecom access, transmission, base station |
Applications
FTTx & optical access network equipment
4G base stations and wireless access sites
Digital communication and transmission equipment
Telecom access nodes and small cabinets
Industrial control and critical DC power loads
Compact equipment rooms and embedded installation scenarios
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 and brands.
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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.
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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.
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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.
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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.
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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, equipment maintenance training and spare parts supply, protecting the stable operation of your power system all the time.
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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 other fields. With rich global 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.
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