Product Specifications

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 (@ U
nom
, f
nom
/ 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, Li-ion /100 Ah … 10000 Ah Lead, NiCd, Li-ion /100 Ah … 10000 Ah
External BMS compatible
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
SUNNYIS4548_6048US-DUS161422 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