# Eltek Flatpack2 — Telecom DC Rectifier Family (24/48/60 V, HE & SHE)

URL: https://www.promark.tr/en/products/eltek-flatpack2
Category: Power & DC
Family: [Eltek DC Power System — Flatpack S & Flatpack2 (-48 V)](https://www.promark.tr/en/products/dc-power-rectifier)

High-efficiency (96% at nominal input) Flatpack2 HE 48V rectifier system for telecom and data center DC power infrastructure. 2000W and 3000W module options scaling from 8kW 2U racks with complete distribution to multi-cabinet, multi-MW installations. MTBF >350,000 h (2000W) / >300,000 h (3000W) at 25 °C. The family also includes 24/1800 HE, 48/2000 and 48/3000 SHE (up to 97.8% efficiency), 48-60/2000 HE and 60/3000 SHE modules; the 110 and 220 V models are on the Industrial DC page.

## Key features

- Patented HE (High Efficiency) technology — 96% efficiency at nominal input.
- Modular 2000W and 3000W rectifier options — scale with additional modules.
- High power density — up to 33 W/inch³.
- Broad application set: telecom mobile/fixed, datacenter, broadcast, SCADA, broadband.
- System scale: from 8kW 2U racks with complete distribution to multi-cabinet, multi-MW installations.
- Wide operating temperature: -40 … +75 °C (power derating above 55 °C).
- MTBF (Telcordia SR-332, 25 °C): >350,000 h (2000W) / >300,000 h (3000W).
- Electrical safety EN/IEC/UL 62368-1; EMC: ETSI EN 300 386, Telcordia NEBS GR1089.
- Global compliance (CE, UL).
- Monitoring and control by a Smartpack-family controller over CAN bus.
- Battery distribution + load distribution as integrated system components.
- Hot-plug rectifier — add/replace without interruption.
- Family variants: 24/1800 HE (75 A, 21.75–28.8 VDC, up to 95%); 48/2000 SHE and 48/3000 SHE (41.7 / 62.5 A, up to 97.8%, input 85–264 VAC); 48-60/2000 HE (41.6 A, 39.9–72 VDC, 96.2%); 60/3000 SHE (50 A at 60 VDC, 54–72 VDC, up to 97.8%).
- System options: complete 2U, 5U–7U and 5U–8U Integrated racks are on the Flatpack2 Integrated page; the 2U Integrated rack uses the Smartpack R controller.

## Specifications

- **Type:** DC power rectifier system (48V telecom)
- **Manufacturer:** Eltek
- **Module power:** 2000W and 3000W (HE)
- **Efficiency:** 96% @ nominal input (patented HE)
- **Output:** -48V DC
- **Min system:** 8kW 2U rack
- **Max system:** Multi-cabinet, multi-MW
- **Power density:** 33 W/inch³ (max)
- **Certification:** CE, UL; EN/IEC/UL 62368-1; ETSI EN 300 386; Telcordia NEBS GR1089
- **MTBF (Telcordia SR-332, 25 °C):** >350 000 h (2000W) / >300 000 h (3000W)
- **Hot-plug:** Rectifier modules
- **Management:** Smartpack-family controller, CAN bus
- **Operating temperature:** -40 … +75 °C (derating >55 °C)
- **Other variants:** 24/1800 HE · 48/2000 SHE · 48/3000 SHE · 48-60/2000 HE · 60/3000 SHE
- **SHE efficiency:** up to 97.8%

## Use cases

- Telecom base station (BTS / LTE / 4G / WIMAX) DC power.
- Data-center 48V power layer + UPS backup.
- Central Office — telephone switch and server DC supply.
- Fiber / broadband / microwave carrier infrastructure.
- SCADA + power distribution — critical infrastructure.

## For a quote and BOM

https://www.promark.tr/en/contact · +90 312 544 09 15 · destek@promark.tr