SUNNY ISLAND 3324 / 4248 / 4248US

Stand-alone grids easier than ever

Easy installation, safe operation and 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 Sunny Island 4248-US model is available for countries with voltage systems compatible with the U.S. standard. 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.

Simple

  • For systems from 2 to 5 kW
  • AC and DC coupling
  • Simple installation


Efficient

  • High efficiency
  • Excellent price-performance ratio


Robust

  • Extreme overload capability
  • 5-year SMA Warranty
  Sunny Island
3324		 Sunny Island
4248		 Sunny Island
4248-US
AC output (loads)      
Nominal AC voltage (adjustable) 230 V (202 V – 253 V) 230 V (202 V – 253 V) 120 V (105 V – 132 V)
Nominal frequency (adjustable) 50 Hz (45 Hz – 55 Hz) 50 Hz (45 Hz – 55 Hz) 60 Hz (55 Hz – 65 Hz)
Continuous AC power at 25 °C / 45 °C 3300 W / 2300 W 4200 W / 3400 W 4200 W / 3400 W
AC output power at 25 °C for 30 min /
1 min / 3 s		 4200 / 5000 / 7300 W 5400 / 7000 / 11400 W 5400 / 7000 / 11900 W
Nominal AC current / max. AC current (peak) 14.5 A / 70 A for 100 ms 18 A / 100 A for 100 ms 35 A / 140 A for 5 s
THD output voltage /
power factor (cos φ)		 < 3 % / –1 to +1 < 3 % / –1 to +1 < 3 % / –1 to +1
       
AC input (generator or grid)      
AC input voltage (range) 230 V (172.5 V – 264.5 V) 230 V (172.5 V – 264.5 V) 120 V (80 V – 150 V)
AC input frequency (range) 50 Hz (40 Hz – 60 Hz) 50 Hz (40 Hz – 60 Hz) 60 Hz (54 Hz – 66 Hz)
Max. input current (adjustable) / Max. input power 56 A (2 – 56 A) / 12.8 kW 56 A (2 – 56 A) / 12.8 kW 56 A (2 – 56 A) / 6.7 kW
       
Battery DC input      
Battery voltage (range) 24 V (21 V – 32 V) 48 V (41 V – 63 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 100 A / 80 A
Battery type / battery capacity (range) lead / 100 – 6,000 Ah lead / 100 – 6,000 Ah lead / 100 – 6,000 Ah
Charge control IUoU process IUoU process IUoU process
       
Efficiency / operating consumption      
Max. efficiency 94.5 % 95% 95%
Own consumption with no load / standby 22 W / 4 W 22 W / 4 W 22 W / 4 W
       
Protection devices      
DC reverse polarity protection / DC fuse yes / yes yes / yes yes / yes
AC short-circuit / AC overload yes / yes yes / yes yes / yes
Overtemperature / excessive battery discharge yes / yes yes / yes yes / yes
       
General data      
Dimensions (W / H / D) in mm 390 / 590 / 245 390 / 590 / 245 390 / 590 / 245
Weight 39 kg 39 kg 39 kg
Operating temperature range –25 °C ... +50 °C –25 °C ... +50 °C –25 °C ... +50 °C
Protection rating (according to IEC 60529) indoors (IP30) indoors (IP30) indoors (NEMA 1)
       
Features / function      
Operation & display / multifunction relays internal / 2 internal / 2 internal / 2
3-phase systems / parallel connection — / — — / — — / —
Integrated bypass / multicluster operation — / — — / — — / —
Charge level calculation / full- / equalization charge — / yes / yes — / yes / yes — / yes / yes
Integrated soft start / generator support yes / — yes / — yes / —
Battery temperature sensor / communication cables yes / — yes / — yes / —
Warranty: (5 / 10 / 15 / 20 / 25 years) yes / opt. / opt. / opt. / opt. yes / opt. / opt. / opt. / opt. yes / opt. / opt. / opt. / opt.
Certificates and permits www.SMA-Solar.com www.SMA-Solar.com www.SMA-Solar.com
       
Accessories      
Battery cables / battery fuses opt. / opt. opt. / opt. opt. / opt.
Interfaces (RS485 / Multicluster PB) opt. /— opt. /— opt. /—
GenMan extended generator start opt. opt. opt.
Load-shedding contactor / battery current measurement opt. /— opt. /— opt. /—
       
Last revision: May 2010      
Type designation SI 3324 SI 4248 SI 4248U
       

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