Efficient
- Max. efficiency > 96 %
- CEC of 94.5 %
- Intelligent battery management for maximum battery life
- State of charge calculation
Simple
- Easy commissioning with the "Quick Configuration Guide"
- Complete island management
Flexible
- For systems from 3 kW to 100 kW
- 1-phase and 3-phase, parallel connection and modular expansion possible
- AC and DC coupling
Durable
- Extreme overload capacity
- OptiCool
- 5-year SMA warranty
| Sunny Island 4548-US |
Sunny Island 6048-US |
|
| AC output (loads) | ||
| Nominal AC voltage / adjustable | 120 V / 105 V – 132 V | 120 V / 105 V – 132 V |
| Nominal AC frequency / adjustable | 60 Hz / 55 Hz ... 65 Hz | 60 Hz / 55 Hz ... 65 Hz |
| Continuous AC power (at 25 °C / at 40 °C) for 3 h | 5000 W / 4000 W | 6000 W / 5000 W |
| Continuous AC power (at 25 °C) | 4500 W | 5750 W |
| AC power at 25 °C for 30 min / 1 min / 3 s | 5300 W / 8400 W / 11000 W | 7000 W / 8400 W / 11000 W |
| Nominal AC current / max. AC current (peak) | 37.5 A / 180 A for approx. 60 ms | 48 A / 180 A for approx. 60 ms |
| THD output voltage / power factor at rated power | 3 % / -1 ... +1 | 3 % / -1 ... +1 |
| AC input (generator or grid) | ||
| AC input voltage / range | 120 V / 80 V – 150 V | 120 V / 80 V – 150 V |
| AC input frequency / range | 60 Hz / 54 Hz ... 66 Hz | 60 Hz / 54 Hz ... 66 Hz |
| Max. input current / adjustable | 56 A / 0 A ... 56 A | 56 A / 0 A ... 56 A |
| Max. input power | 6.7 kW | 6.7 kW |
| Battery DC input | ||
| Battery voltage / range | 48 V / 41 V – 63 V | 48 V / 41 V – 63 V |
| Max. battery charging current / continuous charging current at 25 °C | 100 A / 85 A | 130 A / 110 A |
| Battery type / battery capacity | Lead, NiCd / 100 Ah ... 10000 Ah | Lead, NiCd / 100 Ah ... 10000 Ah |
| Charge control | IUoU process | IUoU process |
| Efficiency / self-consumption | ||
| Max. efficiency / CEC efficiency | 96 % / 94.5 % | 96 % / 94 % |
| Self-consumption with no load / standby | 25 W / 4 W | 25 W / 4 W |
| Protection | ||
| DC reverse polarity protection / DC fuse | yes / yes | yes / yes |
| AC short circuit / AC overload | yes / yes | yes / yes |
| Overtemperature / battery deep discharge | yes / yes | yes / yes |
| General data | ||
| Dimensions (W / H / D) | 467 / 612 / 235 mm (18.4 / 24.1 / 9.3 inch) |
467 / 612 / 235 mm (18.4 / 24.1 / 9.3 inch) |
| Weight | 63 kg / 139 lb | 63 kg / 139 lb |
| Operating temperature range | -25 °C ... +60 °C / -13 °F ... +122 °F |
-25 °C ... +60 °C / -13 °F ... +122 °F |
| Degree of protection (according to IEC 60529) | Interior assembly (NEMA 1) | Interior assembly (NEMA 1) |
| Features / function | ||
| Operation & display / multifunctional relay | Internal / 2 | Internal / 2 |
| 3-phase systems / parallel connection | yes / yes | yes / yes |
| Integrated bypass / multicluster operation | — / yes | — / yes |
| State of charge calculation / full charge / equalization charge | yes / yes / yes | yes / yes / yes |
| Integrated soft start / generator support | yes / yes | yes / yes |
| Battery temperature sensor / communication lines | yes / yes | yes / yes |
| Warranty (5 / 10 / 15 / 20 / 25 years) | yes / opt. / opt. / opt. / opt. | yes / opt. / opt. / opt. / opt. |
| Certificates and approvals | www.SMA-Solar.com | www.SMA-Solar.com |
| Accessories | ||
| Battery cable / battery fuse | opt. / opt. | opt. / opt. |
| Interface (RS485 / multicluster PB) | opt. / opt. | opt. / opt. |
| Extended generator start "GenMan" | opt. | opt. |
| Load-shedding contactors / external battery current measurement | opt. / opt. | opt. / opt. |
| Type designation | SI4548-US-10 | SI6048-US-10 |
Downloads
Language:
Brochure
 1.518 KB |
SMA SERVICE - Off-Grid Solutions Type: Brochure Language: German Document number: SERVICEOGS-KDE121910 Version number: 1.0 |
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1.702 KB |
SMA Off-Grid Solutions Type: Brochure Language: English (Worldwide) Document number: OGS_INFO-AEN120510 Version number: 1.0 |
|
3.654 KB |
TechnologyCompendium 2 - Solar Stand-Alone Power and Backup Power Supply Type: Brochure Language: English (Worldwide) Document number: INSELVERSOR-AEN101410 Version number: 1.0 |
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1.712 KB |
SMA Off-Grid Solutions Type: Brochure Language: Spanish Document number: OGS_INFO-AES121010 Version number: 1.0 |
Data sheet
|
869 KB |
SUNNY ISLAND 4548-US/6048-US - The efficient off-grid manager - now with 20 percent more power Type: Data sheet Language: English (US) Document number: SUNNYIS4548_6048US-DUS113711 Version number: 1.1 |
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1.112 KB |
MULTICLUSTER BOX for SUNNY ISLAND 4548-US, 5048-US and 6048-US - Simple design of large off-grid systems Type: Data sheet Language: English (US) Document number: CLUSTBOX-DUS120724 Version number: 2.4 |
Installation Guide
|
1.820 KB |
MULTICLUSTER BOX FOR SUNNY ISLAND 4548‑US/5048‑US/6048‑US - Installation Manual Type: Installation Guide Language: English (US) Document number: MCB12-IA-eng-IUS120811 Version number: 1.1 |
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1.806 KB |
MULTICLUSTER BOX FOR SUNNY ISLAND 4548‑US/5048‑US/6048‑US - Instrucciones de instalación Type: Installation Guide Language: Spanish (US) Document number: MCB12-IA-spa-IUS120811 Version number: 1.1 |
Technical information
|
356 KB |
PV Inverters - Use of PV inverters in off-grid systems and backup systems in the US, Canada, Central America and the Caribbean islands Type: Technical information Language: English (US) Document number: SB-OffGrid-TI-eng-UUS121312 Version number: 1.2 |
Catalog
|
9.886 KB |
SUNNY FAMILY 2011/2012 - The Future of Solar Technology Type: Catalog Language: English (US) Document number: SFK-KUS120911 Version number: 1.1 |
Technology Brochures
|
816 KB |
TechnologyBrochure 6 - Battery Management in Off-Grid Systems Type: Technology Brochures Language: English (Worldwide) Document number: TECHBATT-AEN114414 Version number: 1.4 |
SMA Feed