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: Flatpack2 48/1500 HE Solar
Eltek Flatpack2 48/1500 HE Solar MPPT Converter (Part No. 241115.650)
The Eltek Flatpack2 48/1500 HE Solar (Part No. 241115.650) is a high-efficiency solar MPPT DC/DC converter module delivering 1500W at -48V DC, engineered for hybrid telecom power applications with hot-swap flexibility.
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- Rated Output Power
- 1500 W
- Nominal Output Voltage
- -48VDC (-42V ~ -58V) VDC
- Rated Output Current
- 31.2 A
- Output Voltage Range
- -48VDC (-42V ~ -58V) VDC
- AC Input Voltage
- DC 80 ~ 400 V (PV string MPPT input range)
- Power Conversion Efficiency
- 96.5%
What this product is
What this product is
High-efficiency solar MPPT telecom DC/DC charge controller module.
What problem it solves
Enables off-grid and poor-grid telecom sites to harvest solar power, slashing diesel generator runtime, fuel expenses, and carbon footprint.
Who and where it is for
Off-grid rural telecom stations, hybrid solar/grid sites, and green telecom energy infrastructure.
Core advantages
- Ultra-fast MPPT tracking efficiency (>99.5%) and peak conversion (>96%)
- Shares exact physical form factor with AC Flatpack2 rectifiers for true plug-and-play mixed shelving
- Wide solar input range from 100Vdc to 300Vdc
- Full digital CAN-bus integration with Smartpack supervisory controllers
Technical specifications
| Key specifications | Value |
|---|---|
| Rated Output Power | 1500 W |
| Nominal Output Voltage | -48VDC (-42V ~ -58V) VDC |
| Rated Output Current | 31.2 A |
| Output Voltage Range | -48VDC (-42V ~ -58V) VDC |
| AC Input Voltage | DC 80 ~ 400 V (PV string MPPT input range) |
| Power Conversion Efficiency | 96.5% |
| Output Power Factor PF | High-efficiency DC conversion architecture for pure solar power |
| Physical Dimensions | 109 × 41.5 × 327 mm (standard Flatpack2 dimensions) |
| Operating Temperature Range | -40°C to +75°C |
Applications
01
Telecom 4G/5G macro cellular base stations and distributed remote power sites
02
Enterprise-grade cloud data center mission-critical -48V DC power distribution lineups
03
Utility power grid dispatch centers and high-voltage substation DC switchgear rooms
04
Railway transit signaling, automated train control, and communications equipment rooms
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