
Eltek Battery String Monitor (242100.300)
Precision battery monitoring unit for Eltek DC systems, sampling midpoint voltages, battery temperatures, and detecting early battery degradation.

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.
Pricing is confirmed by project configuration and quantity
Request a quoteA 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.
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.
5G/4G small cells, edge compute micro-datacenters, shallow cabinet outdoor enclosures, central offices, and industrial remote communication nodes.
| Key specifications | Value |
|---|---|
| Rated Output Power | 1800W |
| Nominal DC Output Voltage | -48V DC (Adjustment Range: -43.5V ~ -57.6V DC) |
| Rated Output Current | 37.5A (-48V DC) |
| AC Input Voltage Range | 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% (HE Green Standard Efficiency) |
| Operating Temperature | -40°C ~ +85°C (Extreme Industrial Range) |
Eltek

Precision battery monitoring unit for Eltek DC systems, sampling midpoint voltages, battery temperatures, and detecting early battery degradation.

Engineered for telecom cabinets and mission-critical networks, the Eltek CT0S0201 19-inch subrack natively hosts Flatpack2 high-efficiency rectifiers and Smartpack supervisory controllers. It combines flexible single/three-phase AC input with comprehensive DC circuit breaker distribution, providing over 96% conversion efficiency and superior grid surge resilience.

Equipped with advanced power electronic conversion, intelligent telemetry control, wide operating tolerance, and hot-swappable modular architecture.

Industry-standard 48V 2000W telecom rectifier delivering 96.5% high efficiency, wide AC input range, and intelligent CAN bus current sharing.