DC Power Systems and Battery Chargers
Delta Eltek Flatpack S 2U DC Power System (2kW - 8kW)
Compact. Configurable. Telecom-Ready Power from 2kW to 8kW. The Flatpack S 2U System is a fully integrated DC power solution engineered for telecom applications that demand compact form factors, scalability, and dependable performance.
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Features
- High Power Output (Up to 8kW / 150A): Supports up to 4 x Flatpack S 48/1800 rectifiers, delivering scalable -48VDC power for high-demand telecom applications.
- Integrated Smartpack S Controller: Enables advanced monitoring, remote management via Ethernet, and system alarms for proactive maintenance and performance tracking.
- Compact 2U Height with 270mm Depth: Space-saving design fits shallow cabinets and confined installations — ideal for retrofits and modern network builds.
- Hot-Pluggable Components: All rectifiers and the system controller are hot-swappable, allowing for rapid maintenance or system expansion without service interruption.
- Wide Input Voltage Range (85–305 VAC / 85–250 VDC): Compatible with global power grid conditions and DC supply environments, ensuring reliable operation across diverse sites.
- Coded Output Voltage Configuration: Built-in coding prevents incorrect rectifier installation, ensuring safe deployment and simplifying field service operations.
Specifications
Downloads
| MANUFACTURER PART NUMBER | |
|---|---|
| Model | Flatpack2 48/3200 HE Solar Module |
| Manufacturer Part Number | 241119.650 |
| Compatible with the following Eltek Systems |
2U Solar Extension Kit (6.4 kW) - CTZ00000.1358 3U Solar Extension Kit (12.8 kW) - CTZ00000.1255 |
| INPUT DATA | |
|---|---|
| Voltage (MPPT range)¹ | 100...380Vdc |
| Voltage (Operating Range) | 85...430Vdc |
| Voltage (Start-Up) | 150Vdc |
| Maximum Current | 20.3Arms |
| Protection | Fuse, varistor for transient protection, reversed polarity, shutdown when VIN is too low, earth fault check during start-up |
| Notes | ¹ At nominal output voltages. MPPT will operate down to 100V, but the maximum input current limitation will de-rate maximum output power. |
| OUTPUT DATA | |
|---|---|
| Voltage (Default) | 53.5 Vdc |
| Voltage (Adjustable Range) | 42² - 57.6 Vdc |
|
Max Power (Vin ≥ 170Vdc) |
3200W |
|
Max Power (@ Vin = 85Vdc) |
1500W |
|
Max Current (@Vout = 48Vdc) |
66.7A |
|
Peak Efficiency |
97% |
|
Current Sharing |
Passive to optimise power available from each string of solar panels |
|
Static Voltage Regulation (10-100% load) |
±0.5% from 10 - 100% load and supplied power not limited by PV panels |
|
Dynamic Voltage Regulation |
±5.0% for 10-90% or 90-10% load variation, regulation time < 50ms |
|
Ripple |
< 250 mVPP , 30 MHz bandwidth |
| Protection | Fuse, Overvoltage shutdown, short circuit proof, high temperature, hot plug-in inrush current limiting |
| Notes | ² Stand-by / Test operation (Vout < 48Vdc) limited for Vin > 250Vdc |
| CONTROL & MONITORING | |||
|---|---|---|---|
|
System Controller
|
Smart Pack S (242100.410). Includes: 2.2" High Resolution Colour Display; Ethernet enabled for Remote or Local Monitoring and Control via Web Browser; SNMP v3 Protocol; MODBUS TCP; pComm UDP (Power Site); 6 x Programmable Relay Outputs; 6 Programmable Multi-Purpose Inputs (Digital Inputs or Analog Signals); System Logging; Automatic Battery Monitoring & Testing; Battery Quality Indication (based on test results); LVD control. For detailed Specifications & Manuals, please refer to Smart Pack S product page. | ||
| MECHANICAL | |||
|---|---|---|---|
| Dimensions [WxHxD] | 109 x 41.0 x 327mm | ||
| Weight | < 2kg | ||
| DESIGN STANDARDS | |||
|---|---|---|---|
| Electrical safety | UL60950-1 / EN60950-1 | ||
| EMC | ETSI EN 300 386 v1.6.1 EN 61000-6-1 (immunity light industry); EN 61000-6-2 (immunity industry); EN 61000-6-3 + A1 (emission light industry); EN 61000-6-4 + A1 (emission industry) | ||
| Environment | ETS 300 019-2-1 Class 1.2; ETS 300 019-2-2 Class 2.3; ETS 300 019-2-3 Class 3.2; 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 | ||
| MANUFACTURER PART NUMBER | |
|---|---|
| Model | Flatpack2 48/3200 HE Solar Module |
| Manufacturer Part Number | 241119.650 |
| Compatible with the following Eltek Systems |
2U Solar Extension Kit (6.4 kW) - CTZ00000.1358 3U Solar Extension Kit (12.8 kW) - CTZ00000.1255 |
| INPUT DATA | |
|---|---|
| Voltage (MPPT range)¹ | 100...380Vdc |
| Voltage (Operating Range) | 85...430Vdc |
| Voltage (Start-Up) | 150Vdc |
| Maximum Current | 20.3Arms |
| Protection | Fuse, varistor for transient protection, reversed polarity, shutdown when VIN is too low, earth fault check during start-up |
| Notes | ¹ At nominal output voltages. MPPT will operate down to 100V, but the maximum input current limitation will de-rate maximum output power. |
| OUTPUT DATA | |
|---|---|
| Voltage (Default) | 53.5 Vdc |
| Voltage (Adjustable Range) | 42² - 57.6 Vdc |
|
Max Power (Vin ≥ 170Vdc) |
3200W |
|
Max Power (@ Vin = 85Vdc) |
1500W |
|
Max Current (@Vout = 48Vdc) |
66.7A |
|
Peak Efficiency |
97% |
|
Current Sharing |
Passive to optimise power available from each string of solar panels |
|
Static Voltage Regulation (10-100% load) |
±0.5% from 10 - 100% load and supplied power not limited by PV panels |
|
Dynamic Voltage Regulation |
±5.0% for 10-90% or 90-10% load variation, regulation time < 50ms |
|
Ripple |
< 250 mVPP , 30 MHz bandwidth |
| Protection | Fuse, Overvoltage shutdown, short circuit proof, high temperature, hot plug-in inrush current limiting |
| Notes | ² Stand-by / Test operation (Vout < 48Vdc) limited for Vin > 250Vdc |
| CONTROL & MONITORING | |||
|---|---|---|---|
|
System Controller
|
Smart Pack S (242100.410). Includes: 2.2" High Resolution Colour Display; Ethernet enabled for Remote or Local Monitoring and Control via Web Browser; SNMP v3 Protocol; MODBUS TCP; pComm UDP (Power Site); 6 x Programmable Relay Outputs; 6 Programmable Multi-Purpose Inputs (Digital Inputs or Analog Signals); System Logging; Automatic Battery Monitoring & Testing; Battery Quality Indication (based on test results); LVD control. For detailed Specifications & Manuals, please refer to Smart Pack S product page. | ||
| MECHANICAL | |||
|---|---|---|---|
| Dimensions [WxHxD] | 109 x 41.0 x 327mm | ||
| Weight | < 2kg | ||
| DESIGN STANDARDS | |||
|---|---|---|---|
| Electrical safety | UL60950-1 / EN60950-1 | ||
| EMC | ETSI EN 300 386 v1.6.1 EN 61000-6-1 (immunity light industry); EN 61000-6-2 (immunity industry); EN 61000-6-3 + A1 (emission light industry); EN 61000-6-4 + A1 (emission industry) | ||
| Environment | ETS 300 019-2-1 Class 1.2; ETS 300 019-2-2 Class 2.3; ETS 300 019-2-3 Class 3.2; 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 | ||
Find the Right Model
| Model Number | Input Voltage (Vac) | Output Voltage (Vdc) | ||
|---|---|---|---|---|
|
Flatpack S 2U System - 2BB + 2LB | 85...305Vac (45...66 Hz) | -48Vdc | |
|
|
Flatpack S 2U System - 2BB + 2LB LVLD | 85...305Vac (45...66 Hz) | -48Vdc | |
|
|
Flatpack S 2U System - 4BB | 85...305Vac (45...66 Hz) | -48Vdc |
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