Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar
The Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar is a rugged, modular DC power system engineered to meet the demands of hybrid power deployments across telecom, industrial, and security environments. It’s the ideal solution for time-sensitive projects requiring reliable DC power and solar capability, all in one integr...
Read MoreThe Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar is a rugged, modular DC power system engineered to meet the demands of hybrid power deployments across telecom, industrial, and security environments. It’s the ideal solution for time-sensitive projects requiring reliable DC power and solar capability, all in one integrated unit.
This 4U system comes pre-configured with 1000W rectifiers (x2), 2 x 48V 1350W DC/DC Converters and 2 x 48V 3200W solar-ready modules, making it well-suited for off-grid or grid-assisted applications where energy efficiency and autonomy are critical.
Designed with flexibility in mind, the Flatpack S 4U Powercore supports solar hybrid integration and can be expanded with inverter modules to suit specific project needs.
Typical Applications
Telecom & Networks
• Remote base stations and microwave links
• Rural broadband and fixed-line networks
• Off-grid communications infrastructure
Industrial & Utilities
• SCADA-controlled solar sites
• Instrumentation in energy and resource sectors
• Utility monitoring and telemetry systems
Security & Public Safety
• Off-grid CCTV and surveillance towers
• Solar-powered alarm systems
• Emergency communications and field networks
Why Choose Flatpack S 4U with DC/DC Shelf & Solar?
• Solar-Ready – Built-in support for solar integration and hybrid power
• High Efficiency – ~95–96% efficiency reduces energy loss
• Modular & Scalable – Hot-swappable components and n+1 redundancy
• Field-Proven Durability – Operates in wide temperature and environmental conditions
• Compact Format – Space-saving design for cabinets and outdoor enclosures
• Platform-Compatible – Seamless integration with the full Eltek S ecosystem
Features
- Hot-Swappable for Maximum Uptime – Designed for continuous operation, with hot-pluggable rectifiers and controllers, ensuring easy maintenance and expansion without downtime.
- Advanced Control & Monitoring – Integrated Smartpack S controller provides real-time system oversight, remote monitoring via Ethernet, and intelligent power management.
- Power Performance – Supports configurations with 2 high-efficiency rectifiers, delivering 48V DC power with up to 40A output.
- Supports 2 additional DC/DC converters of 24Vdc or 48Vdc with 1350W per module.
- Supports 2 solar strings with MPPT high efficiency converters with front interfacing MC4 connectors.
- Built to suit your needs – inverter options available on request.
Specifications
| MANUFACTURER PART NUMBER | |||
|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | ||
| Part Number | PB-CTES024M-2-0-0-016 | ||
| Height (RU) | 4U | ||
| Module slots |
2 x Flatpack S HE Rectifier Modules |
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| Compatible AC/DC Rectifiers (supplied) | 24122.105 Flatpack S AC/DC Rectifier 48/1000 HE | ||
| Compatible DC/DC Modules (not supplied)¹⁾ |
241115.600 Flatpack 2 DC/DC 24V/1350 |
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| Compatible Solar Modules (not supplied) | 241119.650 Flatpack 2 Solar 48/3200 HE | ||
| 1) All modules per shelf must be of the same voltage/model. | |||
| AC INPUT DATA | |||
|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | ||
| Voltage (Vac) | 100 - 250 Vac | ||
| Mains Configuration | 1 x 230 Vac | ||
| Mains Connection | Terminal Block | ||
| Frequency (Hz) | 45-66 Hz | ||
| SOLAR INPUT DATA | |||
|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with Solar | ||
| Solar String OC Voltage Range (Vdc) | 85 Vdc - 430 Vdc | ||
| Solar Startup Voltage (Vdc) | 150 Vdc | ||
| Max. Solar String SC Current (A) | 20.3A | ||
| 48V BATTERY DATA | |||
|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | ||
| Plug in breakers | 2 x 40A Circuit breakers | ||
| 48V LOAD DATA | ||||
|---|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | |||
| Nominal System Voltage (Vdc) | -48 Vdc | |||
| Voltage Range (Vdc) | -42 Vdc - -58.6 Vdc | |||
| Plug in breakers | 7 x 30A2) | |||
| Max. Current (A) |
40A |
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2) Other configurations available. Please consult with your Powerbox representative. |
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| DC/DC LOAD DATA | |||
|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | ||
| Maximum Current (A) | Up to 70 A3) | ||
| 3) Maximum allowable input current to DC/DC converters is 40A from the 48Vdc bus without discharging the battery. | |||
| POWER DISTRIBUTION / CABLE ENTRY | |||
|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | ||
| Connection |
2 x 48Vdc Battery (M6 bolt) |
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| CONTROL & MONITORING | ||||
|---|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | |||
| System Controller | Smartpack S4) | |||
| 4) For detailed Specifications & Manuals, please refer to Smartpack S product page. | ||||
| MECHANICAL | |||
|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | ||
| Dimensions (WxHxD) | tba | ||
| Weight | tba | ||
| DESIGN STANDARDS | ||||
|---|---|---|---|---|
| Model | Eltek by Powerbox Flatpack S 2kW 4U Powercore with DC/DC Shelf and Solar | |||
| Electrical Safety | EN 60950-1:2006+A11:2009+A1:2010+A12:2011+A2:2013, IEC 60950-1:2013, UL 60950-1:2014 | |||
| EMC | EN 61000-6-1:2019 / -2:2019 / -3:2007/A1:2011/AC:2012 / -4:2019 FCC CFR47 part 15B section 109: 2010, ETSI EN 300 386 v2.1.1: 2016 |
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| Environment | ETSI EN 300 019: 2-1 (Class 1.2) & 2-2 (Class 2.3) EU 2015/863 (RoHS) & 2012/19/EU (WEEE) Normal operating conditions as per IEC 62040-5-3:2016 clause 4.2. Other operating conditions as per IEC 62040-5-3:2016 clause 4.3, must be advised |
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Technical Drawings
Warranty & Returns
Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.
Related Products
- Hot-swappable for maximum uptime
- Advanced control & monitoring
- Supports 2 additional DC/DC converters of 24Vdc or 48Vdc
- Hot-Swappable for Maximum Uptime
- Advanced control & monitoring
- Supports 2 solar strings with MPPT high efficiency
- Hot-swappable for maximum uptime
- Advanced control & monitoring
- Supports configurations with 2 high-efficiency rectifiers, delivering 48V DC power with up to 40A output