Product Overview
The Vertiv NetSure 731 A91-S3 is a 450A embedded -48 VDC power system designed for telecom access networks, transmission equipment and enterprise communication rooms. The 19-inch plug-in frame integrates AC distribution, rectifier slots, DC distribution and a monitoring unit in a compact chassis, supporting hot-swap rectifiers for tool-free capacity expansion and N+1 redundancy.
BS Comtec supplies the NetSure 731 A91-S3 with configuration support, compatible rectifier modules and worldwide delivery. Typical deployments include OLT/ONU access sites, microwave and transmission nodes, and enterprise equipment rooms requiring reliable -48 V DC power. Request a quote for configuration options and lead time.
Key Features
- Output Current: 450 A
- Nominal Voltage: -48 VDC (-42 to -58 VDC)
- Form Factor: 19-inch embedded power shelf
- Compatible Rectifiers: 9 × R48-3000e3 (3000 W) hot-swap rectifiers
- Features: N+1 redundancy, intelligent battery management, front maintenance
Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | -48 VDC (-42 to -58 VDC) |
| Output Current | 450 A |
| Compatible Rectifiers | 9 × R48-3000e3 (3000 W) hot-swap rectifiers |
| Form Factor | 19-inch embedded power shelf |
| Features | N+1 redundancy, intelligent battery management, front maintenance |
Key Features of NetSure 731 A91-S3
NetSure 731 A91-S3 is part of the 48 V DC power system family widely used in telecom and data applications. Systems of this class commonly combine rectifier modules, monitoring controllers and distribution units in rack or cabinet formats.
Typical Applications of NetSure 731 A91-S3
DC power systems of this type are widely used in telecom equipment rooms, base station sites, data centers and industrial control environments that require reliable -48 V DC power.
Selecting NetSure 731 A91-S3 with BS Comtec
BS Comtec supplies DC power systems and rectifier modules from Vertiv, Huawei, ZTE, Eltek and other brands with global delivery. Tell us your load budget, battery requirements and installation space for a tailored proposal.
Frequently Asked Questions
How do I size NetSure 731 A91-S3 for my site?
Start from your steady-state and peak DC load, redundancy requirements (N+1 or 2N), battery backup time and expansion plans. BS Comtec can model these figures and propose a suitable configuration.
Can NetSure 731 A91-S3 work with my existing rectifiers or batteries?
It depends on voltage range, communication protocols and mechanical compatibility. Provide your current system details and BS Comtec will review interfaces and recommend a compatible combination.
How is NetSure 731 A91-S3 shipped and delivered?
Systems and modules are packed for international freight, and lead times vary by model and destination. Contact BS Comtec for current availability, shipping options and delivery schedules.
What warranty and support come with NetSure 731 A91-S3?
Warranty follows the manufacturer’s policy for the ordered configuration. BS Comtec assists with commissioning guidance, spare module supply and service coordination where required.
Where is NetSure 731 A91-S3 typically deployed?
It is commonly deployed in telecom central offices, outdoor cabinets, data centers and industrial facilities that rely on stable -48 V DC distribution.
What are the key specifications of NetSure 731 A91-S3?
NetSure 731 A91-S3 key specs: -48 VDC (-42 to -58 VDC); 450 A; 19-inch embedded power shelf. Full datasheet and test report available from BS Comtec on request.
Does BS Comtec supply NetSure 731 A91-S3?
Yes. BS Comtec supplies NetSure 731 A91-S3 (Vertiv line) from Singapore stock, MOQ from 1 piece; in-stock items dispatch within 24-48 hours with worldwide shipping.
Is there a cross-reference or equivalent for NetSure 731 A91-S3?
BS Comtec maintains a cross-reference chart covering Huawei, Vertiv (Emerson), Eltek, ZTE and Delta 48V modules. Contact us for the direct equivalent of NetSure 731 A91-S3.
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