DC Power Systems and Battery Chargers
Delta Eltek Flatpack S 48V 1U DC Power System (2kW - 5kW)
Compact. Scalable. Intelligent. The Flatpack S 48V 1U DC Power System is designed for high-performance power delivery in space constrained environments.
Combining efficiency, reliability, and advanced monitoring capabilities, this compact
1U-high system is the ideal solution for telecom, broadband, and critical network applications.
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Features
- Ultra-Compact & Versatile – With a 262mm system depth, this power system fits conveniently into a variety of cabinets, making it a perfect replacement unit in existing infrastructure.
- Scalable Power Performance – Supports configurations with up to 3 high-efficiency rectifiers, delivering 48V DC power with up to 100A output.
- Advanced Control & Monitoring – Integrated Smartpack S controller provides real-time system oversight, remote monitoring via Ethernet, and intelligent power management.
- Hot-Swappable for Maximum Uptime – Designed for continuous operation, with hot-pluggable rectifiers and controllers, ensuring easy maintenance and expansion without downtime.
- Flexible Load & Battery Distribution – Multiple load breaker options (up to 80A) and configurable battery distribution, supporting a wide range of telecom and network applications.
- Smart Lithium-Ion Battery Compatibility – Supports Polarium and Delta lithium-ion batteries as standard, enabling optimised performance, extended battery life, and intelligent power management.
Specifications
| MANUFACTURER PART NUMBER | ||
|---|---|---|
| Model | Flatpack S 1U System - 2 x Rectifier Slots | Flatpack S 1U System - 3 x Rectifier Slots |
| Manufacturer Part Number | CTOS0201.xxx | CTOS0301.xxx |
| Powerbox Part Number | PB-CTOS0201-X-XXX | PB-CTOS0301-X-XXX |
| Compatible Delta Eltek Systems | Flatpack S 48/1000HE (241122.105) | Flatpack S 48/1000HE (241122.105); Flatpack S 48/1800HE (241122.125) |
| INPUT DATA | ||
|---|---|---|
| Model | Flatpack S 1U System - 2 x Rectifier Slots | Flatpack S 1U System - 3 x Rectifier Slots |
| Voltage (Vac) | 100...250Vac (See Flatpack S 48/1000HE or Flatpack S 48/1800HE Specifications for detailed specification) |
|
| Mains Configuration | 230Vac, 1-Phase or 2 x 1-Phase | 230Vac, 3 x 1-Phase or 3-Phase (∆) 230/400Vac, 3-Phase (Y) |
| Connection | Via 2.5mm² Terminal Blocks (Rear Connection) | |
| Frequency (Hz) | 45 - 66Hz | |
| OUTPUT DATA | ||
|---|---|---|
| Model | Flatpack S 1U System - 2 x Rectifier Slots | Flatpack S 1U System - 3 x Rectifier Slots |
| Voltage (Vdc) | -48Vdc | -48Vdc |
| Max. Current (A) | 40A | 100A |
| BATTERY DISTRIBUTION | ||
|---|---|---|
| Model | Flatpack S 1U System - 2 x Rectifier Slots | Flatpack S 1U System - 3 x Rectifier Slots |
| LVBD | Default | Default |
| Breaker (Plug-In Type) Max Size | 2 x 40A MCB¹ | 2 x 80A MCB¹ |
| Connection | 16mm² Terminal Blocks (Rear) | M6 Cable Lug (Rear) |
| Note | ¹ If only one string is used, one of the battery breakers can be configured as a load breaker. | |
| LOAD DISTRIBUTION / CABLE ENTRY | ||
|---|---|---|
| Model | Flatpack S 1U System - 2 x Rectifier Slots | Flatpack S 1U System - 3 x Rectifier Slots |
| Connection | Rear cable entry, front access connections (7 x 4mm² screw terminals)³ | Rear Connection via m6 Cable lug |
| Total Load Breakers (Plug-in Type) | 7 x Load MCB⁴ | 1 x 80A MCB |
| Notes | ³ Drawer solution, front access for actual connection, but cables enters from rear ⁴ MCB Ratings to be defined by customer at time of order. Currently available in 2A, 5A, 10A, 15A, 20A and 30A ratings. |
|
| 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. | |
| MECHANICAL | ||
|---|---|---|
|
Dimensions [WxHxD]
|
19"/1U/262mm Recommended minimum cabinet depth, 300 mm |
|
| Weight (including controller & distribution, excluding rectifier modules) | 5.3KG | 5.2KG |
| IP Rating | IP20 | |
| DESIGN STANDARDS | ||
|---|---|---|
| Electrical safety | UL 60950-1, EN 60950-1 | |
| EMC | ETSI EN 300 386 V.1.4.1; EN 61000-6-1 (immunity, light industry); EN 61000-6-2 (immunity, industry); EN 61000-6-3 (emission, light industry); EN 61000-6-4 (emission, industry) | |
| Environment | ETSI EN 300 019-2-1 Class 1.2; ETSI EN 300 019-2-2 Class 2.3; ETSI EN 300 019-2-3 Class 3.2 | |
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.