
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.

The Eltek Flatpack S 48/1000 HE is an industrial-grade telecom power or datacenter infrastructure module engineered for maximum uptime, high energy efficiency, and mission-critical reliability.
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A field-proven industrial hardware system providing clean regulated DC power, precision thermal management, or unified physical equipment housing.
Eliminates downtime from grid surges, thermal throttling, and power outages, ensuring continuous 24/7/365 availability.
Telecom core switching sites, 5G wireless base stations, enterprise server rooms, and modular edge computing deployments.
| Key specifications | Value |
|---|---|
| Output Voltage Regulation & Ripple | -48VDC (-42V ~ -58V) |
| Rated System Output / Load Capacity | Rated System Output / Load Capacity |
| Operating Input Voltage Range | Operating Input Voltage Range |
| Core Power Topology & Conversion Unit | Core Power Topology & Conversion Unit |
| Efficiency & Performance Rating | ≥ 95.5% |
| Physical Dimensions & Mounting Format | 41.5 (1U) × 109 × 210 mm |
| Cooling & Thermal Management | Cooling & Thermal Management |
| Operating Ambient Temperature Window | Operating Ambient Temperature Window °C |
| Telemetry Communication Bus Protocol | Telemetry Communication Bus Protocol |
Eltek

Compact 2U -48VDC telecom-grade embedded power system supporting high-efficiency Flatpack2 rectifiers with integrated distribution and intelligent battery management.

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.

Eltek Flatpack S 48/1800 HE delivers 1800W of reliable -48V DC power with 95.5% HE conversion efficiency. Featuring a short 210mm depth form factor, CAN bus telemetry, and wide -40°C to +85°C thermal tolerance, it is optimized for space-constrained 4G/5G cabinets.