Product Overview
The Vertiv (formerly Emerson) NetSure 801 CAA is a high‑capacity, modular, integrated DC power system designed for core telecom offices, large data centers, IDC rooms, central offices and critical power infrastructure. It combines AC distribution cabinet, rectifier cabinet, DC distribution cabinet and intelligent monitoring in one complete solution, providing highly reliable, high‑efficiency –48V DC power for large‑scale communication equipment, servers and critical DC loads.
Adopting three‑phase high‑power rectifiers, full front maintenance, comprehensive surge protection and advanced digital monitoring, the system supports flexible capacity expansion, high‑efficiency energy saving and 24/7 unattended operation. It is the industry benchmark for mission‑critical core site DC power supplyVertiv.
Key Features
All‑in‑one integrated structure: AC distribution + rectifier + DC distribution + monitoring, fully integrated and customizable
Wide three‑phase AC input: 260–530VAC, 45–65Hz, compatible with global mains and generator power, withstands 600VAC extreme voltageVertiv
High‑power rectifier modules: R48‑5800 / R48‑5800e, 5800W per module, peak efficiency up to 96%, ultra‑low power consumptionVertiv
Stable adjustable DC output: –42V ~ –58VDC, high current capacity for large core sites
Intelligent monitoring: M821D / M831D controller with LCD, Ethernet, SNMP, remote monitoring & fault alarmVertiv
Full protection system: LVBD, OVP, OCP, SCP, OTP, full‑range surge protection for AC, DC and signal linesVertiv
Hot‑swap & plug‑and‑play: Online module replacement, capacity expansion without system shutdownVertiv
Full front maintenance: Front access for operation, wiring and replacement, ideal for narrow equipment rooms
High reliability: NEBS Level 3, CE, UL certified, MTBF > 570,000 hoursVertiv
Strong environmental adaptability: Wide temperature range, high‑altitude operation, suitable for harsh environments
Technical Specifications
| Item | Details |
|---|
| Brand | Vertiv / Emerson |
| Model | NetSure 801 CAA |
| System Type | Integrated AC/DC/rectifier/monitoring system |
| AC Input | 260–530VAC, 3‑phase, 45–65Hz |
| DC Output | –42 ~ –58VDC adjustable; Nominal –48VDC |
| Rectifier Module | R48‑5800 / R48‑5800e; 5800W/module |
| Rectifier Efficiency | Up to 96% |
| Control Unit | M821D / M831D |
| Communication | Ethernet, RS232, RS485, SNMP, HTTP |
| Protection Functions | LVBD, OVP, OCP, SCP, OTP, Surge Protection |
| Certifications | CE, UL, NEBS Level 3, RoHS |
| Operating Temp | –10°C ~ +65°C (derated above +45°C) |
| Applications | Core telecom, data center, IDC, central office |
| Warranty | 12 Months |
Applications
Core telecom central offices and backbone transmission stations
Large IDC data centers and cloud computing equipment rooms
5G core network equipment and critical communication loads
Financial data centers, server rooms and industrial control hubs
Power utilities, transportation and government critical infrastructure
Large‑scale integrated AC/DC power distribution 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.
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, equipment maintenance training 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 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.