SMA ST6-US - Manual (Page 55)

SMA America, LLC Technical data
Installation Guide ST36-48US-IA-IUS112321 55
11.2 Sunny Tower ST42 equipped with Sunny Boy SB 7000US
PV generator connection
Grid connection
Efficiency
Ambient conditions
Recommended Maximum PV Power
(Module STC) 52.5 kW
DC Maximum Voltage 600 V
Peak Power Tracking Voltage 250 V ... 480 V
DC Maximum Input Current 180 A
Number of Fused String Inputs
(AC‑DC disconnect) 24
PV Start Voltage (Adjustable) 300 V
Power Factor (Nominal) 0.99
AC Nominal Power 42.0 kW
AC Maximum Power 42.0 kW
AC Maximum Output Current at 208 V
(3‑Phase Only) 117 A
AC Maximum Output Current at 240 V
(3‑Phase Only) 101 A
AC Maximum Output Current at 277 V
(3‑Phase Only) 51 A
AC Nominal Voltage Range at 208 V Delta or
WYE (3‑Phase Only) 187 V ... 229 V
AC Nominal Voltage Range at 240 V Delta
(3‑Phase Only) 211 V ... 264 V
AC Nominal Voltage Range at 277 V WYE
(3‑Phase Only) 244 V ... 305 V
AC Frequency Nominal 60 Hz
AC Frequency Range 59.3 Hz ... 60.5 Hz
Power consumption at night 0.6 W
Peak Inverter Efficiency 97.1 %
CEC Weighted Efficiency at 208 V 95.5 %
CEC Weighted Efficiency at 240 V/277 V 96.0 %
Ambient Temperature Range − 13 °F ... +113 °F
( − 25 °C ... +45 °C)