SUNNY ISLAND 3.0M / 4.4M
The SMA Sunny Island 3.0M/4.4M is the perfect product solution for stand-alone and grid-connected systems with a power output range of 2 to 13 kW.
Furthermore, being a core element in the SMA Flexible Storage System, the Sunny Island stores generated solar power and works with the Sunny Home Manager to manage home energy consumption intelligently.
With its high protection class, wide temperature range and overload capacity, the Sunny Island provides the kind of reliability needed for off-grid use. The intelligent load and energy management ensures operation even in critical situations, such as in the event of high inrush currents or harsh ambient conditions.
Flexible
The SMA Sunny Island offers flexibility in terms of combination with other equipment, which means that the system can be configured precisely to meet the applicable power requirements.
- Choice of battery: The Sunny Island is compatible with many well-known brands of lithium-ion battery and all lead-acid batteries.
- For new and existing PV systems
- Can be retrofitted for single- and three-phase systems
Intelligent
In the SMA Smart Home, the Sunny Home Manager, with the SMA Sunny Island, takes control of intelligent management between the PV system, appliances and storage systems as well as regulates all energy flows.
- Comprehensive visualization in the Sunny Portal
- Forecast-based charging
- Simple planning by using planning guidelines and Sunny Design
Robust
The SMA Sunny Island is impervious to fine desert sand, high humidity in rainforests and salty mist in coastal regions as well as significant temperature fluctuations. It runs reliably under the most extreme conditions—without compromising its efficiency.
- Outdoor installation possible thanks to IP 54
- Wide temperature range
- Can switch any appliance on
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| Sunny Island 3.0M | Sunny Island 4.4M | |
| AC Input (Utility grid or generator) | ||
| Voltage | 230 Vac (172,5 to 264,5 Vac) | |
| Frequency | 50 Hz (40 to 70 Hz) | |
| Maximum current | 50 A | |
| Maximum power | 11500 W | |
| AC Input (Stand-alone or emergency power operation) | ||
| Voltage | 230 Vac (202 to 253 Vac) | |
| Frequency | 50 Hz (45 to 65 Hz) | |
| Rated current / Short-circuit current | 10 A / 60 A | 14,5 A / 60 A |
| Rated power (Unom/fnom/25 °C/cos φ=1) | 2300 W | 3300 W |
| Power at 25ºC (30 min / 5 min / 3 s) | 3000 / 3500 / 5500 W | 4400 / 4600 / 5500 W |
| THD output voltage / power factor with rated power | < 4,5% / -1 1 | |
| DC Input | ||
| Voltage | 48 V (41 to 63 V) | 48 V (41 to 63 V) |
| Maximum battery charge / rated / discharge current | 51 / 45 / 51 A | 73 / 63 / 75 A |
| Battery type | Li-Ion*, FLA, VRLA | |
| Battery capacity |
100 Ah to 10000 Ah (Lead) 50 Ah to 10000 Ah (Li-ion) |
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| Charge Control | IUoU charge procedure with automatic full charge and equalization charge | |
| Efficiency / Self-consumption | ||
| Maximum efficiency | 95,5 % | |
| Self-consumption without charge / standby | 18 W / 6,8 W | |
| Protective devices | ||
| AC Shortcircuit | Yes | Yes |
| AC Overload | Yes | Yes |
| DC reverse polarity | No | No |
| DC fuse | No | No |
| Overtemperature | Yes | Yes |
| Battery deep cycle | Yes | Yes |
| Overvoltage category as per IEC 60664-1 | III | III |
| General Data | ||
| Diimensions (w x h x d) | 467 x 612 x 242 mm | |
| Weight | 44 Kg | |
| Operating temperature range | -25º C to 60º C | |
| Protection class according to IEC 62103 | I | |
| Climatic category according to IEC 60721 | 3K6 | |
| Degree of protection according to IEC 60529 | IP54 | |
| Features / function | ||
| Operation and display / multifunction relay | External via SRC-20 / 2 | |
| Three-phase system | Yes | Yes |
| Battery back up function | Yes | Yes |
| State of charge claculation / full charge / equalization charge | Yes | Yes |
| Integrated soft start | Yes | Yes |
| Generator support | Yes | Yes |
| Battery temperature sensor | Yes | Yes |
| Data cables | Yes | Yes |
| Warranty | 5 years | |
| Accesories for off-grid applications | ||
| Battery fuse ** | Optional | |
| Interface SI-COMSMA (RS485) | Optional | |
| Interface SWDMSI-NR (Speedwire) | Optional | |
| Sunny Island Charger SIC50-MPT** | Optional | |
| Cluster controller | Optional | |
| Accesories for on-grid applications | ||
| Battery fuse ** | Optional | |
| Interface SWDMSI-NR (Speedwire) | Optional | |
| Sunny Home Manager | Optional | |
| SMA Energy Meter | Optional | |
| Automatic transfer swith for battery backup ** | Optional | |
* See list of approved Lithium-Ion batteries.
** Procurement via external supplier.
| Sunny Remote Control | |
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The SRC 20 external control unit enables quick and easy commissioning of Sunny Island 6.0H / 8.0H and 3.0M / 4.4M. A rotating push button and illuminated alert button make operation intuitive; the four-line display shows the status of the plant. Data is archived on an SD card. |
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Speedwire data module / Modbus TCP |
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For smooth communication: Speedwire can be used to access PV systems via Sunny Explorer. Device configuration and parameter checks are easy and convenient. In addition, with Modbus all parameters can be viewed remotely or set automatically. And setpoints can be entered for direct control of Sunny Island output. |
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Load-shedding protection |
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Load-shedding protection for use in AC-coupled off-grid systems: disconnecting loads during power overloads allows the batteries to recharge – e.g. from the PV plant. To ensure that the protection doesn't drop out due to a short circuit, only DC contactors that are supplied by the battery are used.
Compatible versions are available for all Sunny Island models. |
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RS485 Piggy-Back. Plant monitoring and communication |
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The RS485 wiring for plant monitoring and communication allows functional lengths of up to 1200 meters. The Sunny WebBox collects all the data and informs you about the status of the PV plant. With Piggy-Back the data transmission is reliable even in interference-prone areas. Subsequent expansions are possible without problem thanks to the modular design principle. |
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Sunny Island Charger Piggy-Back |
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| SIC-Piggy-Back for a smooth communication between Sunny Island Charger and Sunny Island via the sync bus of the Sunny Islands. | |
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Adapter cable |
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| Adapter cable for using the RS485-communication between Sunny Island and Sunny WebBox. | |
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Battery fuse boxes (BatFuse B.01 and B.03) |
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External DC distributor for all-pole battery fuse protection. Both types are suitable for currents from 63 to 250 A and feature an NH fuse-switch disconnector for simple activation of the Sunny Island. BatFuse B.01 provides one connection for Sunny Island and three DC connections on the battery side. BatFuse B.03 features three connections for Sunny Island and six DC connections on the battery side. Both types also have an 8A auxilliary supply output from the battery.
Compatible with all Sunny Island models. |
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Battery cable sets |
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Cables for the DC connection between the battery, BatFuse and Sunny Island - or the direct connection between the battery and inverter. The double insulation enables ground-fault-proof and short-circuit-proof installation. Approved for cable temperatures up to 90°C.
- 70 mm² for Sunny Island 6.0H / 8.0H und 3.0M / 4.4M in 3 and 6 meters long |
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| SHUNT | |
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Measuring shunts for battery current detection. Suitable for use with generators or loads that cannot be measured by the Sunny Island. Battery shunts are available for maximum DC currents of 200 and 600 A.
Compatible with Sunny Island 6.0H / 8.0H and 3.0M / 4.4M. |
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Replacement battery temperature sensor |
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| Replacement battery temperature sensor tyep KTY with 10 m connection cale for Sunny Island. | |