Product Overview
The Vertiv (formerly Emerson) NetSure 211 C23 is a compact, highly reliable embedded DC power system designed for telecom access networks, OLT equipment, small base stations, street cabinets, fiber access nodes and space‑limited equipment rooms. It converts wide‑range AC input into stable adjustable –48V DC output, with a maximum output current of 40A to provide stable power for small and medium‑sized communication equipment.
Adopting a highly integrated, compact chassis design, hot‑swappable modules, intelligent monitoring and comprehensive protection, this system ensures high efficiency, stable operation and easy maintenance. It is the preferred compact embedded power solution for access network and small communication sitesVertiv.
Key Features
Ultra‑compact structure, supports 1U/2U 19‑inch rack or embedded cabinet installation, saves space significantly
Wide AC input range 90–290VAC, 45–65Hz, strong adaptability to unstable grids and generator power
Stable adjustable DC output –42.3V ~ –57.6VDC, nominal –53.5VDC, max output current 40A
High efficiency up to 91%, active PFC design with power factor ≥0.99, low energy consumption
Hot‑swappable rectifier modules, plug‑and‑play replacement without system shutdown
Intelligent monitoring unit: real‑time data display, fault alarm, remote communication (RS232/Ethernet optional)
Complete battery management: BLVD, temperature compensation, auto voltage regulation, prolong battery life
Full electrical protection: OVP, OCP, SCP, OTP, input undervoltage, surge & lightning protection
Wide operating temperature –33°C ~ +55°C, strong environmental adaptability
Forced air cooling by built‑in fan, reliable heat dissipation
Front access & front maintenance design, easy installation and operation
Certified with CE, UL, NEBS and global telecom safety standards
Technical Specifications
| Item | Details |
| Brand | Vertiv / Emerson |
| Model | NetSure 211 C23 |
| System Type | Compact embedded DC power system |
| AC Input | 90–290VAC, 45–65Hz; single‑phase |
| DC Output | –42.3V ~ –57.6VDC; Nominal –53.5VDC |
| Max Output Current | 40A |
| Peak Efficiency | Up to 91% |
| Power Factor | ≥0.99 |
| Cooling | Built‑in fan, forced convection |
| Protection | OVP, OCP, SCP, OTP, LVBD, surge protection |
| Communication | RS232, Ethernet (optional), dry contact |
| Operating Temp | –33°C ~ +55°C |
| Storage Temp | –40°C ~ +70°C |
| Humidity | 5%–95% RH (non‑condensing) |
| Altitude | ≤3000 m |
| Dimensions | Approx. 440 × 300 × 140 mm |
| Weight | Approx. 13 kg |
| Certifications | CE, UL, NEBS, YD/T983 |
| Warranty | 12 Months |
| Application | Telecom access, OLT, small base station, cabinet |
Applications
Telecom OLT and fiber optical access equipment
Small 4G/5G base stations, micro cells and indoor coverage sites
Street cabinets, pole‑mounted and wall‑mounted communication equipment
FTTx & ONU/ODN network devices
Industrial control, automation and compact DC power loads
Space‑limited equipment rooms and embedded cabinet 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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