Eltek 252189 Subrack Telecom DC Power System (-48V 4-Slot Flatpack2)
Compact 2U -48VDC telecom-grade embedded power system supporting high-efficiency Flatpack2 rectifiers with integrated distribution and intelligent battery management.
EltekModel: Eltek Flatpack S 48/1800 HE
Eltek Flatpack S 48/1800 HE Telecom Rectifier Module 1800W -48V (241122.125)
The Eltek Flatpack S 48/1800 HE is an ultra-compact 1U, shallow-depth hot-swappable telecom rectifier module designed with advanced resonant soft-switching topology and digital control architecture, delivering 1800W nominal power at -48V DC with an outstanding 95.5% High Efficiency across an ultra-wide 85V to 305V AC input envelope.
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- Rated Output Power
- 1800W
- DC Output Voltage
- -48VDC (-42V ~ -58V) V DC
- Rated Output Current
- 37.5A (-48V DC)
- Power Conversion Efficiency
- ≥ 95.5%
- AC Input Voltage
- 85V AC ~ 305V AC (Ultra-Wide AC Input Range)
- Cooling Method
- Built-in Ultra-Quiet Intelligent Fan
What this product is
What this product is
A high-density telecom-grade switch-mode power converter engineered by Eltek Norway, packaged in a shallow 210mm depth enclosure with rear hot-plug connectors for seamless integration into 1U Flatpack S power shelves.
What problem it solves
Eliminates depth constraints in shallow outdoor telecommunication cabinets (less than 300mm depth) while reducing cooling overhead and electric utility expenditures through 95.5% High Efficiency power conversion.
Who and where it is for
5G/4G small cells, edge compute micro-datacenters, shallow cabinet outdoor enclosures, central offices, and industrial remote communication nodes.
Core advantages
- Ultra-shallow 210mm chassis depth tailored for compact and restricted outdoor enclosures
- 95.5% High Efficiency (HE) topology reducing thermal loss and operational expenditures
- Full hot-plug design with dynamic digital CAN bus integration and auto active load sharing
- Industrial thermal durability operating reliably across -40°C to +85°C harsh environments
Technical specifications
| Key specifications | Value |
|---|---|
| Rated Output Power | 1800W |
| DC Output Voltage | -48VDC (-42V ~ -58V) V DC |
| Rated Output Current | 37.5A (-48V DC) |
| AC Input Voltage | 85V AC ~ 305V AC (Ultra-Wide AC Input Range) |
| Cooling Method | Built-in Ultra-Quiet Intelligent Fan |
| Physical Form Factor | Ultra-Slim Compact Plug-in Design (241122.125) |
| Power Conversion Efficiency | ≥ 95.5% |
| Operating Temperature Range | -40°C ~ +85°C (Extreme Industrial Range) |
Applications
01
Cellular base stations and 5G RRU/BBU distribution cabinets
02
Broadband access nodes, FTTx central offices, and optical switches
03
Railway signaling, utilities, and substation DC backup systems
04
Hybrid renewable solar-diesel telecom off-grid power stations
Frequently asked questions
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