SMA Battery Inverters SUNNY ISLAND 4548-US

As the new Sunny Island inverters 4548-US and 6048-US were developed, the special focus was on their efficiency. Expanding on the proven technology of Sunny Island 5048-US, those inverters can reach the maximum efficiency level of over 96 percent as well as a weighted CEC efficiency level of 94.5 percent. This saves diesel costs and enables a smaller dimensioning of PV plants. The new devices for the US market can be used with the SMA multicluster technology for systems with a capacity of up to 100 kW.
Efficient
Max. efficiency: > 96 percent
CEC of 94.5 percent
Intelligent battery management for maximum battery life
Charge level calculation
Simple
Easy commissioning with the â€œQuick Configuration Guideâ€
Complete off-grid management
Flexible
For systems from 3 kW to 100 kW
single and three-phase operation, connectable in parallel and modularly extendable
AC and DC coupling
Durable
Extreme overload capacity
OptiCool
5-year SMA warranty

-AC output (loads)
Rated grid voltage / AC voltage range 120 V / 105 V â€“ 132 V
Rated frequency / frequency range (adjustable) 60 Hz / 55 Hz ... 65 Hz
AC power (at 25 °C / at 40 °C) for 3 hours 5000 W / 4000 W
Rated power (@ Unom, fnom / 25 °C / @ cos Ï† = 1) 4500 W
AC power at 25 °C for 30 min / 1 min / 3 s 5300 W / 8400 W / 11000 W
Rated current / max. output current (peak) 37.5 A / 180 A for approx. 60 ms
Total harmonic factor output voltage / power factor with rated power 3 % / -1 ... +1
-AC input (generator or grid)
Rated input voltage / AC input voltage range 120 V / 80 V â€“ 150 V
Rated input frequency / allowable input frequency range 60 Hz / 54 Hz ... 66 Hz
Max. AC input current / adjustable 56 A / 0 A ... 56 A
Max. AC input power 6.7 kW
-Battery DC input
Rated input voltage / DC voltage range 48 V / 41 V â€“ 63 V
Max. battery charging current / DC rated charging current 100 A / 85 A
Battery type / battery capacity range Lead, NiCd / 100 Ah ... 10000 Ah
Charge control IUoU charge procedure with automaticfull charge and equalization charge
-Efficiency / self-consumption
Max. efficiency / CEC efficiency 96 % / 94 %
Self-consumption without load / standby 25 W / 4 W
-Protective devices
DC reverse polarity protection / DC fuse yes / yes
AC short-circuit / AC overload yes / yes
Overtemperature / battery deep discharge yes / yes
-General data
Dimensions (W / H / D) 467 / 612 / 235 mm(18.4 / 24.1 / 9.3 inch)
Weight 63 kg / 139 lb
Operating temperature range -25 °C ... +60 °C /-13 °F ... +122 °F
-Features / function
Operation and display / multi-function relay Internal / 2
Degree of protection (according to IEC 60529) indoors (NEMA 1)
Three-phase systems / parallel connection yes / yes
Integrated bypass / multicluster operation â€” / yes
State of charge calculation / full charge / equalization charge yes / yes / yes
Integrated soft start / generator support yes / yes
Battery temperature sensor / data cable yes / yes
Warranty (5 / 10 / 15 / 20 / 25 years) yes / opt. / opt. / opt. / opt.
Certificates and approvals www.SMA-Solar.com
-Accessories
Battery cable / battery fuse opt. / opt.
Interface (RS 485 / Multicluster PB) opt. / opt.
Extended generator start â€œGenManâ€ opt.
Load-shedding protection / battery current measurement opt. / opt.

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