Product Overview
The Vertiv NetSure 531 C21B4 is a 12 kW 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 531 C21B4 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 Power: 12 kW
- Nominal Voltage: -48 VDC (-42 to -58 VDC)
- Form Factor: 19-inch embedded shelf
- Compatible Rectifiers: R48 series hot-swap rectifiers (3000 W class)
- Features: C21B4 distribution configuration, BLVD/LLVD options
Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | -48 VDC (-42 to -58 VDC) |
| Output Power | 12 kW |
| Compatible Rectifiers | R48 series hot-swap rectifiers (3000 W class) |
| Form Factor | 19-inch embedded shelf |
| Features | C21B4 distribution configuration, BLVD/LLVD options |
Key Features of NetSure 531 C21B4
NetSure 531 C21B4 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 531 C21B4
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 531 C21B4 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 531 C21B4 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 531 C21B4 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 531 C21B4 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 531 C21B4?
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 531 C21B4 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 531 C21B4?
NetSure 531 C21B4 key specs: -48 VDC (-42 to -58 VDC); 12 kW; 19-inch embedded shelf. Full datasheet and test report available from BS Comtec on request.
Does BS Comtec supply NetSure 531 C21B4?
Yes. BS Comtec supplies NetSure 531 C21B4 (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 531 C21B4?
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 531 C21B4.
Request Specifications & Quote
Our sales engineering team provides full specifications, pricing, and configuration support within 24 hours.
Contact Us for Specifications
