Emerson NetSure R48-2000
Brand Name: Emerson
Product Name: R48-2000
Part Number: 1R482000
Description: Emerson NetSure R48-2000 (Vertiv) 1R482000 R48-2000 (Standard) or R48-2000e / R48-2000e3 (High Efficiency versions)
Description
Description
Emerson NetSure R48-2000
The Emerson (Vertiv) NetSure R48-2000 is a high-density, hot-pluggable rectifier designed to convert standard AC supply voltages into stable -48 VDC nominal power. The Emerson NetSure R48-2000 is a fundamental component for telecommunications access nodes, fiber-to-the-home (FTTH) equipment, and enterprise network cabinets.
Main Identification of Emerson NetSure R48-2000
- Model Name: R48-2000 (Standard) or R48-2000e / R48-2000e3 (High Efficiency versions)
- Main Product Line: NetSure™ Rectifier Series
- Common Part Numbers:
- 1R482000 (Standard identification)
- 02110437 / 02110438 (Common Huawei/Emerson internal BOMs)
- 241115.105 (Equivalent cross-referenced Eltek-style codes in some databases)
Technical Description for Emerson NetSure R48-2000
The Emerson NetSure R48-2000 is a switch-mode power supply (SMPS) utilizing Constant Power technology to ensure maximum efficiency across a wide range of DC loads.
- Hot-Swappable: Designed for “N+1” redundancy, allowing for module replacement or system expansion without powering down the connected equipment.
- Digital Control: Uses Digital Signal Processing (DSP) to minimize internal components and enhance performance through active load sharing between parallel units.
- Intelligent Management: Communicates via CAN bus with system controllers (such as the M500D or M800) for real-time monitoring and battery management.
- Ruggedized Thermal Control: Features an internal, speed-controlled fan that adjusts airflow based on load and ambient temperature to maximize service life and reduce noise.
Technical Specifications for Emerson NetSure R48-2000
| Feature | Specification |
|---|---|
| Output Power | 2000 W (Maximum at nominal input) |
| Nominal Output Voltage | -48 VDC (Adjustable range: -42V to -58V) |
| Maximum Output Current | 41.7 A |
| Input Voltage Range | 85 VAC to 300 VAC (Full power typically 176–290 VAC) |
| Peak Efficiency | >92% (Standard) / Up to 96.5% (e/e3 High Efficiency) |
| Power Factor | 0.99 (at 50% to 100% load) |
| Frequency Range | 45 Hz to 65 Hz |
| Operating Temperature | -40°C to +70°C (Full power up to +45°C) |
| Dimensions (H x W x D) | 86 mm x 84.5 mm x 272 mm (Standard 2U profile) |
| Weight | ~2.4 kg (Standard) / ~1.13 kg (e3 ultra-compact) |
Protection and Indicators of Emerson NetSure R48-2000
- LED Status Lights:
- Green: Normal operation.
- Yellow: Alarm (Input over/under voltage, high temperature).
- Red: Failure (Output over-voltage, fan failure).
- Built-in Safety: Includes input over-voltage shutdown, short-circuit protection, and automatic thermal derating
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Description
Technical information