Flexible
- For systems from 3 to 300 kW
- 1- and 3-phase operation, connectable in parallel and modularly extendable
- AC and DC coupling
Simple
- Easy commissioning with the "Quick Configuration Guide"
- Complete off-grid management
Efficient
- High efficiency
- Intelligent battery management for maximum battery life
- Charge level calculation
Robust
- Extreme overload capability
- OptiCool™ active temperature management system
- 5-year warranty
| Sunny Island 5048-US | |
| AC output (loads) | |
| Nominal AC voltage (adjustable) | 120 V (105 V – 132 V) |
| Nominal frequency (adjustable) | 60 Hz (55 Hz – 65 Hz) |
| Continuous AC power at 25 °C / 45 °C (77 °F / 113 °F) | 5000 W / 4000 W |
| AC output power at 25 °C (77 °F) for 30 min / 1 min / 3 s | 6500 W / 8400 W / 11000 W |
| Nominal AC current / max. AC current (peak) | 41.7 A / 180 A for 60 ms |
| THD output voltage / power factor (cos φ) | < 3% / –1 to +1 |
| AC input (generator or grid) | |
| AC input voltage (range) | 120 V (80 V – 150 V) |
| AC input frequency (range) | 60 Hz (54 Hz – 66 Hz) |
| Max. input current (adjustable) / max. input power | 56 A (0 A – 56 A) / 6.7 kW |
| Battery DC input | |
| Battery voltage (range) | 48 V (41 V – 63 V) |
| Max. battery charging current / continuous charging current at 25 °C (77 °F) | 120 A / 100 A |
| Battery type / battery capacity (range) | lead, NiCd / 100 – 10000 Ah |
| Charge control | IUoU process |
| Efficiency / operating consumption | |
| Max. efficiency | 95% |
| Internal consumption with no load / standby | 25 W / 4 W |
| Protection devices | |
| DC reverse polarity protection / DC fuse | yes / yes |
| AC short-circuit / AC overload | yes / yes |
| Overtemperature / excessive battery discharge | yes / yes |
| General data | |
| Dimensions (W / H / D) in mm (in) | 467 / 612 / 235 (18 / 24 / 9) |
| Weight | 63 kg (139 lb) |
| Operating temperature range | –25 °C ... +50 °C (–13 ° F ... +122 °F) |
| Protection rating (as per IEC 60529) | indoors (NEMA 1) |
| Features / function | |
| Operation & display / multifunction relays | internal / 2 |
| 3-phase systems / parallel connection | yes / yes |
| Integrated bypass / multicluster operation | — / yes |
| Charge level calculation / full- / equalization charge | yes / yes / yes |
| Integrated soft start / generator support | yes / yes |
| Battery temperature sensor / communication cables | yes / yes |
| Warranty: 5 / 10 / 15 / 20 years | yes / no / no / no |
| Certificates and permits | www.SMA-Solar.com |
| Accessories | |
| Battery cables / battery fuses | opt. / opt. |
| Interfaces (RS485 / Multicluster PB) | opt. / opt. |
| GenMan extended generator start | opt. |
| Load-shedding contactor / battery current measurement | opt. / opt. |
| Type designation | SI 5048-US |
Downloads
Language:
Firmware
|
272 KB |
Firmware-Update V6.002/6.000 for SUNNY ISLAND 5048-US / 4548-US / 6048-US Type: Firmware Language: International Document number: SI5048U-V6002-6000_E Version number: 6.002/6.000 |
|
271 KB |
Firmware-Update V5.155/5.106 for SUNNY ISLAND 5048-US Type: Firmware Language: International Document number: SI5048US Firmware-Update V5.155_ 5.106 Version number: 5.155/5.106 |
Data sheet
|
129 KB |
SMA OFF-GRID CONFIGURATOR - Design and simulation program for off-grid systems Type: Data sheet Language: English (US) Document number: OFFGRIDCON-DUS113911 Version number: 1.1 |
|
1.192 KB |
SUNNY ISLAND 5048-US - The Island Manager Type: Data sheet Language: English (US) Document number: SUNNYIS5048US-DUS122617 Version number: 1.7 |
Installation Guide
|
5.567 KB |
SUNNY ISLAND 5048-US - Installation Manual Type: Installation Guide Language: English (US) Document number: SI5048U-TUS121440 Version number: 4.0 |
|
609 KB |
MC-PB (US) - Mounting instructions / Instrucciones de montaje Type: Installation Guide Language: International Document number: MC-PB-MO-us_en_es-10 Version number: 1.0 |
|
499 KB |
Retrofit Kit SI-485PB-NR - Mounting Instructions / Equipamiento adicional SI-485PB-NR - Instrucciones de montaje Type: Installation Guide Language: International Document number: SI-485PB-NR-US_en_es-10 Version number: 1.0 |
Technical information
|
366 KB |
SUNNY ISLAND 4548-US/5048-US/6048-US: Grid Backup with Generator - Digital Input Type: Technical information Language: English (US) Document number: TechNDIGIN-HUS123112 Version number: 1.2 |
|
283 KB |
PV Inverters - Use of PV inverters in off-grid systems and backup systems in North and South America Type: Technical information Language: English (US) Document number: SB-OffGrid-TI-US-en-14 Version number: 1.4 |
Certificate
|
68 KB |
UL-Notice of Authorization to apply the UL Mark - Sunny Island 5048U Type: Certificate Language: English (US) Document number: UL_SI5048U |
|
631 KB |
Herstellererklärung - Made in Germany / Manufacturer‘s Declaration - Made in Germany Type: Certificate Language: International Document number: OGS-ZE-HK-MiG-xx-11 Version number: 1.1. |
Warranty
|
281 KB |
SMA America LLC Factory Warranty - SUNNY BOY, SUNNY TRIPOWER, WINDY BOY, SMA BLUETOOTH® REPEATER, SUNNY BEAM with BLUETOOTH®, SUNNY WEBBOX, SUNNY WEBBOX with BLUETOOTH®, SUNNY SENSORBOX, SC/SB Combiner Boxes Type: Warranty Language: English (US) Document number: SBSMC_SIWB-ZE-GEBED-US_en-32 Version number: 3.2 |
White Paper
|
877 KB |
SUNNY ISLAND Generator - White Paper Type: White Paper Language: English (US) Document number: SIGEN-11:FD1212 Version number: 1.1 |
Promotion Material
|
6.879 KB |
SMA Inverters & Utility Grid Configuration - Common Ultility Grid Transformers in 60 Hz in North America, Central America, and the Caribbean Type: Promotion Material Language: English (US) Document number: COMMONTXCONFI-AUS111714 Version number: 1.4 |



SMA Feed