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NetSure 731 A61-S3 | Vertiv/Emerson 48V 300A Embedded DC Power System
Brand: Vertiv (Former Emerson)
Model: NetSure 731 A61-S3
Matching Modules: 6 × R48-3000A3 / R48-3000e3 Rectifier + M530S Controller
Place of Origin: Guangdong, China
Unit Price: $790.00 / set (1-9 sets)
Packaging: Cartons or Wooden Frame
Supply Ability: 2000 sets per month
Warranty: 12 Months
Loading Port: Shenzhen
Specifications
| Category | Item | Details |
|---|---|---|
| Basic Info | Product Type | Subrack Embedded Telecom DC Power System |
| Model | NetSure 731 A61-S3 | |
| Brand | Vertiv (Emerson) | |
| Application | Telecom Equipment | |
| AC Input | Rated Voltage | 200 ~ 250 VAC |
| Input Frequency | 50 / 60Hz | |
| DC Output | Nominal Voltage | -48V DC |
| Output Type | Single | |
| Max Output Current | 300A | |
| Total Output Power | > 500W | |
| Rectifier Peak Efficiency | 96.2% | |
| Matching Parts | Rectifier Module | R48-3000A3 / R48-3000e3 (6 units) |
| Controller | M530S | |
| Load Protection | Circuit Breakers | |
| Physical Parameter | Dimension (W×D×H) | 483 × 400 × 354 mm |
| Weight | 36kg (With Rectifier and Controller) | |
| Cooling Mode | Intelligent Variable Speed Fan | |
| Service | Warranty Period | 12 Months |
NetSure 731 A61-S3 Vertiv/Emerson Embedded DC Power System
Product Description
Introduction
The NetSure 731 A61-S3 is a mature subrack-type embedded DC power system developed by Vertiv (Emerson), widely used for various telecom equipment. It adopts 200~250V AC input and provides stable -48V single DC output with a maximum current of 300A. Equipped with six pieces of R48-3000A3/R48-3000e3 rectifier modules and M530S controller, the rectifier achieves a peak efficiency of 96.2%. This system applies modular hot-swap design, intelligent fan speed regulation and full-range lightning protection. Featuring standard subrack structure, reliable performance and easy maintenance, it is an ideal power solution for indoor telecom machine rooms, communication base stations and FTTX network projects.
Key Features
Stable Power Performance: Rated 200~250V AC input, standard -48V DC single output, maximum 300A current to meet medium and large telecom load demands.
High Efficiency Energy Saving: The supporting rectifier module reaches 96.2% peak efficiency, effectively reducing power consumption and heat generation during long-term operation.
Modular Hot Swap: Rectifier and controller modules support hot plugging. Maintenance and replacement can be done without system shutdown to avoid service interruption.
Reliable Distribution Design: Adopts high-quality circuit breakers for load distribution, ensuring safe power supply for each branch circuit.
Intelligent Heat Dissipation: Matched with intelligent speed-adjustable fan, which automatically adjusts speed according to load and temperature, lowering operating noise and extending service life.
Comprehensive Protection: Integrated overvoltage, overcurrent, short-circuit, overtemperature and multi-level lightning protection to defend against surge and abnormal grid damage.
Walk-in Soft Start: Avoids current impact on front-end power equipment during startup and improves overall grid stability.
Wide Environmental Adaptation: Operates stably in complex environments, suitable for long-term running of indoor and conventional outdoor communication equipment.
Applications
Mobile communication base stations and remote cell sites
Indoor telecom machine rooms and transmission equipment rooms
FTTX fiber-optic broadband access systems
Network frame equipment and enterprise private communication networks
Small and medium data room DC power distribution and backup systems
Specifications
Why Choose This Model?
Classic Brand Product: Mature Vertiv (Emerson) technology, verified by massive field applications with stable and reliable quality.
High Current Capacity: 300A large current fully adapts to medium and high-load telecom equipment.
High Efficiency Operation: 96.2% peak efficiency cuts long-term operating costs.
Easy Maintenance: Hot-swap modules simplify daily overhaul and reduce operation risks.
Safety Guarantee: Circuit breakers + multi-protection design ensure safe power supply.
Standard Structure: Standard subrack size, easy to install and match various communication cabinets.
Company Profile
Shenzhen Synergic Technology Co., Ltd., founded in 2024, focuses on the production, manufacturing, R&D, and sales of power related products, including telecom power systems, energy storage batteries, and solar power solutions. We are committed to delivering comprehensive, end-to-end power solutions for our customers.
Our team members primarily come from leading companies in the power supply industry, bringing years of hands-on experience. We supply network energy equipment including telecom power systems, precision distribution cabinets and integrated cabinets (customization available) from ELTEK, Huawei, Vertiv (formerly Emerson), ZTE and CE+T. Our product range also covers UPS, precision air conditioners, batteries and other data room accessories from well-known brands.
All products are strictly tested before delivery. We offer reliable after-sales service and instant spare parts support within warranty to cut your time and costs. Custom OEM/ODM services are also available.
For pricing, configuration options and OEM customization, please contact us for detailed technical support and quotation.
WhatsApp: +86 13714076096
Email: 3795149443@qq.com
Website: https://www.synergicsys.com
FAQ
Q: What is the rated input and output of this power system?
A: Rated AC input is 200~250V, nominal DC output is -48V with maximum 300A current.
Q: Which modules does it match?
A: It is equipped with 6 pieces of R48-3000A3/R48-3000e3 rectifier modules and one M530S controller.
Q: What is the peak efficiency of the rectifier?
A: The peak efficiency of the rectifier module reaches 96.2%.
Q: Does it support hot swap?
A: Yes, both rectifier and controller modules support hot swap for maintenance without powering off.
Q: What protection components are used for load circuits?
A: It adopts professional circuit breakers for load branch protection.
Q: What are the overall size and weight?
A: Dimension is 483 × 400 × 354 mm, total weight is 36kg with all modules installed.
Q: What is the warranty period?
A: We provide 12 months standard warranty for this product.

