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NetSure 211 C46 Telecom DC Power System (R48-1000A Rectifier Module)
Ultra-Wide Input Compatibility: Works steadily within 90~290V AC (rated 220V AC), compatible with unstable power grids and different regional power supply standards.
Excellent Electrical Performance: High power factor up to 0.99 and conversion efficiency over 90%, effectively reducing reactive power and long-term energy consumption.
Adjustable DC Output: Output voltage ranges from -42.3V to -57.6V DC (nominal 48V), adapting to different telecom devices and battery charging requirements.
Hot-Swap Modular Design: The matched R48-1000A rectifier module supports hot plugging. Maintenance and replacement can be done without system shutdown, minimizing service downtimeVertiv.
Smart Heat Dissipation: Built-in multi-speed intelligent fan, which automatically adjusts speed according to load and temperature, lowering noise and extending fan service life.
Full-Range Protection: Integrated overvoltage, overcurrent, short-circuit and overtemperature protection, plus AC & DC two-level lightning protection to resist surge damage.
Walk-in Soft Start Function: Avoids impact on front-end transformers and generators during startup, protecting the whole power grid system.
Remote Monitoring Support: Compatible with dedicated monitoring units, enabling remote data viewing, fault alarm and centralized unattended management.
Compact & Portable: Small overall size and weight less than 13kg, easy for installation, handling and cabinet layout.
Mobile communication base stations and remote cell sites
Indoor telecom machine rooms and standard network frame systems
FTTX fiber-optic broadband access equipment
Microwave transmission and network communication devices
Data center auxiliary DC power distribution and battery backup systems
| Category | Item | Parameter |
|---|---|---|
| Basic Info | Product Type | Embedded Telecom DC Power System |
| Main Model | NetSure 211 C46 | |
| Matching Rectifier | R48-1000A | |
| Brand | Emerson / Vertiv | |
| Application | Network Frame, Telecom Equipment | |
| AC Input | Rated Voltage | 220V AC |
| Operating Voltage Range | 90 ~ 290V AC | |
| Input Frequency | 45 ~ 65Hz (Nominal 50/60Hz) | |
| Power Factor | 0.99 | |
| DC Output | Nominal Voltage | 48V DC |
| Adjustable Voltage Range | -42.3 ~ -57.6V DC | |
| Max Output Current | 80A | |
| Total Output Power | > 500W | |
| Output Type | Single | |
| Conversion Efficiency | > 90% | |
| Physical Parameter | Dimension (W×D×H) | 437 × 289 × 132 mm |
| Weight | < 13kg | |
| Cooling System | Cooling Mode | Intelligent Variable Speed Fan |
| Environment | Operating Temperature | -5℃ ~ +40℃ |
| Storage Temperature | -40℃ ~ +70℃ | |
| Relative Humidity | 5% ~ 95% (Non-condensing) | |
| Protection & Certification | Protection Items | Overvoltage, Overcurrent, Short-circuit, Overtemperature, Lightning Protection |
| Certifications | CE, ROHS |




Reliable Brand Heritage: Classic Vertiv (Emerson) product with proven performance and massive field application cases.
Strong Grid Adaptability: 90~290V wide input works well in complex and unstable power environments.
Energy Saving Design: High power factor and efficiency cut operational costs effectively.
Easy Maintenance: Hot-swap modules and intelligent fan reduce daily maintenance work and failure risks.
Rich Functions: Soft start, remote monitoring and multi-protection improve overall system security and intelligence.
Compact Layout: Small size and light weight fit various standard cabinets and frame devices perfectly.