Sunny Island-3324 / 4248

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Sunny Island-3324 / 4248
Off-Grid Solutions
Here you will find comprehensive system solutions for an autonomous power supply. System components used in such applications include, for instance, Sunny Island inverters in the role of grid and battery manager, inverters for PV, small wind turbine and fuel cell systems and the appropriate monitoring products.And even for grid-tie batteries, SMA's Sunny Backup system is a tried and tested, scalable product solution which includes reliable protection against grid failures.
SUNNY ISLAND - The flexible System manager
The Sunny Islands offer you first class possibilities in the installation of self-sufficient energy systems. In conjunction with a battery pack the devices form a self-sufficient AC voltage grid, which meets with the highest of quality standards.
In the Sunny Island System, electricity generators and consumers are integrated in equal measure. PV and wind energy systems, diesel devices, water or CHP (Combined Heat and Power) can be coupled on the AC side just as conventional 230 Volt consumers.Sunny Island 3324 / 4248
Stand-Alone Grids - Easier Than Ever
Easy installation, safe operation and an outstanding price-performance ratio: The Sunny Island 3324 and 4248 battery inverters are especially suitable for use in small and mid-sized stand-alone grids. The devices guarantee a reliable and high-quality power supply. Due to their outstanding overload capabilities and the fact that they are designed to withstand high ambient temperatures, these devices can be used under extreme weather conditions.
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Sunny Island 3324 |
Sunny Island 4248 |
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| AC output (loads) | ||
| Nominal AC voltage / adjustable | 230 V / 202 V – 253 V | 230 V / 202 V – 253 V |
| Nominal AC frequency / adjustable | 50 Hz / 45 Hz ... 55 Hz | 50 Hz / 45 Hz ... 55 Hz |
| Continuous AC power (at 25 °C / at 45 °C) | 3300 W / 2300 W | 4200 W / 3400 W |
| AC power at 25 °C for 30 min / 1 min / 3 s | 4200 W / 5000 W / 7300 W | 5400 W / 7000 W / 11400 W |
| Nominal AC current / max. AC current (peak) | 14.5 A / 70 A for approx. 60 ms | 18 A / 100 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 | 230 V / 172,5 V – 250 V | 230 V / 172,5 V – 250 V |
| AC input frequency / range | 50 Hz / 40 Hz ... 60 Hz | 50 Hz / 40 Hz ... 60 Hz |
| Max. input current / adjustable | 56 A / 2 A ... 56 A | 56 A / 2 A ... 56 A |
| Max. input power | 12.8 kW | 12.8 kW |
| Battery DC input | ||
| Battery voltage / range | 24 V / 21 V – 32 V | 48 V / 41 V – 63 V |
| Max. battery charging current / continuous charging current at 25 °C | 140 A / 104 A | 100 A / 80 A |
| Battery type / battery capacity | Lead / 100 Ah ... 6000 Ah | Lead / 100 Ah ... 6000 Ah |
| Charge control | IUoU process | IUoU process |
| Efficiency / self-consumption | ||
| Max. efficiency | 94.5 % | 95 % |
| Self-consumption with no load / standby | 22 W / 4 W | 22 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) | 390 / 590 / 245 mm | 390 / 590 / 245 mm |
| Weight | 39 kg | 39 kg |
| Operating temperature range | -25 °C ... +50 °C | -25 °C ... +50 °C |
| Degree of protection (according to IEC 60529) | Interior assembly (IP30) | Interior assembly (IP30) |
| Features / function | ||
| Operation & display / multifunctional relay | Intern / 2 | Intern / 2 |
| 3-phase systems / parallel connection | — / — | — / — |
| Integrated bypass / multicluster operation | — / — | — / — |
| State of charge calculation / full charge / equalization charge | — / yes / yes | — / yes / yes |
| Integrated soft start / generator support | yes / — | yes / — |
| Battery temperature sensor / communication lines | 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. / — |
| Extended generator start "GenMan" | opt. | opt. |
| Load-shedding contactors / external battery current measurement | opt. / — | opt. / — |
| Type designation | SI 3324 | SI 4248 |
Additional Information
- manufacturer: SMA Solar Technology / Germany /














