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DC Power Systems

Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf

The Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf is a compact, high-efficiency DC power system engineered for reliable performance in telecom, industrial, and security applications. Designed for space-constrained environments, this 2U configuration provides flexible output capability with integrated DC/DC conversion, ideal for systems requiring multiple DC voltage levels or distribution points.

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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 3 high-efficiency rectifiers, delivering 48V DC power with up to 100A output.
  • Flexible Load Distribution – Multiple load breakers, supporting a wide range of telecom and network applications.
  • Supports 2 additional DC/DC converters of 24Vdc or 48Vdc with 1350W per module.
  • Built to suit your needs – inverter options available on request.
Specifications
MANUFACTURER PART NUMBER
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Part Number PB-CTES0302D-0-0-007
Height (RU) 2U
Module slots (Not supplied) 3 x Flatpack S HE Rectifier Modules
2 x Flatpack 2 DC/DC Modules
Compatible AC/DC Rectifiers¹⁾ 241122.105 Flatpack S AC/DC Rectifier 48/1000 HE
241122.125 Flatpack S AC/DC Rectifier 48/1800 HE
Compatible DC/DC modules¹⁾

241115.600 Flatpack 2 DC/DC 24V/1350
241115.602 Flatpack 2 DC/DC 48V/1350

1) All modules per shelf must be of the same voltage/model.

 

AC INPUT DATA
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Voltage (Vac) 100 - 250 Vac
Mains Configuration 3 x 230 Vac (3 x 1 or 3 phase)
Mains Connection Terminal Block
Frequency (Hz) 45-66 Hz
48V BATTERY DATA
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Plug in breakers 2 x 80A Circuit breakers

 

48V LOAD DATA
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Nominal System Voltage (Vdc) -48 Vdc
Voltage Range (Vdc) -42 Vdc - -58.6 Vdc
Plug in breakers  2 x 80A2)
Max. Current (A) 100A

2) Other configurations available. Please consult with your Powerbox representative.

 

DC/DC LOAD DATA
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Maximum Current (A) Up to 200 A3)
3) At 24Vdc, maximum input current to DC/DC converters is 100A from the 48Vdc bus.

 

POWER DISTRIBUTION / CABLE ENTRY
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Connection

2 x 48Vdc Battery (M6 bolt)
2 x  -48Vdc bulk (M6 bolt)
2 x DC/DC bulk (M6 bolt)

 

CONTROL & MONITORING
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
System Controller Smartpack S4)         
4) For detailed Specifications & Manuals, please refer to Smartpack S product page.

 

MECHANICAL
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Dimensions (WxHxD) tba
Weight tba
DESIGN STANDARDS
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
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
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
Technical Illustrations
GA_Drawing_PB-CTES0302D-0-0-007
Downloads
Eltek_Flatpack_S_5.4kW_2U_powecore_Datasheet.pdf
GA_Drawing_Eltek_PB-CTES0302D-0-0-007.pdf
MANUFACTURER PART NUMBER
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Part Number PB-CTES0302D-0-0-007
Height (RU) 2U
Module slots (Not supplied) 3 x Flatpack S HE Rectifier Modules
2 x Flatpack 2 DC/DC Modules
Compatible AC/DC Rectifiers¹⁾ 241122.105 Flatpack S AC/DC Rectifier 48/1000 HE
241122.125 Flatpack S AC/DC Rectifier 48/1800 HE
Compatible DC/DC modules¹⁾

241115.600 Flatpack 2 DC/DC 24V/1350
241115.602 Flatpack 2 DC/DC 48V/1350

1) All modules per shelf must be of the same voltage/model.

 

AC INPUT DATA
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Voltage (Vac) 100 - 250 Vac
Mains Configuration 3 x 230 Vac (3 x 1 or 3 phase)
Mains Connection Terminal Block
Frequency (Hz) 45-66 Hz
48V BATTERY DATA
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Plug in breakers 2 x 80A Circuit breakers

 

48V LOAD DATA
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Nominal System Voltage (Vdc) -48 Vdc
Voltage Range (Vdc) -42 Vdc - -58.6 Vdc
Plug in breakers  2 x 80A2)
Max. Current (A) 100A

2) Other configurations available. Please consult with your Powerbox representative.

 

DC/DC LOAD DATA
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Maximum Current (A) Up to 200 A3)
3) At 24Vdc, maximum input current to DC/DC converters is 100A from the 48Vdc bus.

 

POWER DISTRIBUTION / CABLE ENTRY
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Connection

2 x 48Vdc Battery (M6 bolt)
2 x  -48Vdc bulk (M6 bolt)
2 x DC/DC bulk (M6 bolt)

 

CONTROL & MONITORING
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
System Controller Smartpack S4)         
4) For detailed Specifications & Manuals, please refer to Smartpack S product page.

 

MECHANICAL
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
Dimensions (WxHxD) tba
Weight tba
DESIGN STANDARDS
Model Eltek by Powerbox Flatpack S 5.4kW 2U Powercore with DC/DC Shelf
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
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
GA_Drawing_PB-CTES0302D-0-0-007
Eltek_Flatpack_S_5.4kW_2U_powecore_Datasheet.pdf
GA_Drawing_Eltek_PB-CTES0302D-0-0-007.pdf

Find the Right Model

Model Number System Power (W) Max. DC/DC Power (W) Max. Solar Power (W)
product variant PB-CTES0302D-0-0-007 5400W 2700W -

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