SMA Sunny Island 4548-US User manual

SI4548-US-10 / SI6048-US-10
SUNNY ISLAND 4548-US / 6048-US
The SMA Sunny Island 4548-US and 6048-US inverters are based on proven off-grid technology and feature industry
leading power output. A maximum efficiency of 96 percent ensures peak production, which results in reduced diesel usage
in rural communities. More flexible sizing allows for simplified system planning. And, with multicluster technology, up to 12
Sunny Islands can be integrated into off-grid power systems up 110 kW in size.
The efficient off-grid manager
SUNNY ISLAND 4548-US / 6048-US
Durable
•Extremeoverloadcapability
•OptiCool™activetemperature
management system
•5-yearstandardwarranty
Flexible
•ForSunnyIslandsystemsfrom4.5
to 100 kW
•Single, split-phase and three-phase
operation, connectable in parallel
and modularly expandable
•ACandDCcoupling
Simple
•Easycommissioningwiththe
“QuickConfigurationGuide”
•Completeoff-gridmanagement
•Excellentforgrid-tiedbattery
back up
Efficient
•Maximumefficiencyof96%
•CECefficiencyof94.5%and94%
•Stateofchargecalculation
•Intelligentbatterymanagement
for maximum battery life

Technical data Sunny Island
4548-US
Sunny Island
6048-US
AC output (loads)
Ratedgridvoltage/ACvoltagerange 120 V/105 V – 132 V 120 V/105 V – 132 V
Rated frequency / frequency range (adjustable) 60 Hz/55 Hz ... 65 Hz 60 Hz/55 Hz ... 65 Hz
ACpower(at25°C/at40°C)for3hours 5000 W/4000 W 6000 W/5000 W
Rated power (@ Unom, fnom/25°C/@cosϕ=1) 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
Rated current / max. output current (peak) 37.5 A/180 A for approx. 60 ms 48 A/180 A for approx. 60 ms
Total harmonic factor output voltage / power factor with rated power 3%/-1…+1 3%/-1…+1
AC input (PV array or grid)
Ratedinputvoltage/ACinputvoltagerange 120 V/80 V – 150 V 120 V/80 V – 150 V
Rated input frequency / allowable input frequency range 60 Hz/54 Hz ... 66 Hz 60 Hz/54 Hz ... 66 Hz
Max.ACinputcurrent/adjustable 56A/0A…56A 56A/0A…56A
Max.ACinputpower 6.7 kW 6.7 kW
Battery DC input
Ratedinputvoltage/DCvoltagerange 48 V/41 V – 63 V 48 V/41 V – 63 V
Max.batterychargingcurrent/DCratedchargingcurrent 100 A / 85 A 130 A / 110 A
Battery type / battery capacity range Lead,NiCd/100Ah…10000Ah Lead,NiCd/100Ah…10000Ah
Chargecontrol IUoU charge procedure with automatic full
charge and equalization charge
IUoU charge procedure with automatic full
charge and equalization charge
E󹢶ciency / self-consumption
Max.e󹻯ciency/CECe󹻯ciency 96%/94.5% 96%/94%
Self-consumption without load / standby 25 W/4 W 25 W/4 W
Protective devices
DCreversepolarityprotection/DCfuse ●/● ●/●
ACshort-circuit/ACoverload ●/● ●/●
Overtemperature/batterydeepdischarge ●/● ●/●
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
Features / function
Operationanddisplay/multi-functionrelay Internal / 2 Internal / 2
Degreeofprotection(accordingtoIEC60529) indoors(NEMA1) indoors(NEMA1)
Three-phase systems / parallel connection ●/● ●/●
Integrated bypass / multicluster operation —/● —/●
State of charge calculation / full charge / equalization charge ●/●/● ●/●/●
Integrated soft start / generator support ●/● ●/●
Battery temperature sensor / data cable ●/● ●/●
Warranty 5 years 5 years
Certi󹻭catesandapprovals www.SMA-Solar.com www.SMA-Solar.com
Accessories
Battery cable / battery fuse ○/○ ○/○
Interface (RS 485 / Multicluster PB) ○/○ ○/○
Extendedgeneratorstart“GenMan” ○ ○
Load-shedding protection / battery current measurement ○/○ ○/○
●Standardfeature ○Optionalfeature —Notavailable
Type designation SI4548-US-10 SI6048-US-10
SMA America, LLC
Toll Free +1 888 4 SMA USA
www.SMA-America.com
SUNNYIS4548_6048US-DUS131719 Sunny Island, OptiCool, and SMA are registered trademarks of SMA Solar Technology AG. Text and figures comply with the state of the art applicable when printing. Subject to technical changes. We accept no liability for typographical and other errors. Printed on chlorine-free paper.
Three-phase system Split-phase system