SMA SC 250U - Manual (Page 66)

8 Technical data SMA America, LLC
66 DISU_SCUS-IA-IUS111711 Installation Guide
8 Technical data
For more electrical ratings than the shown here refer to the manual of the inverter.
8.1 Disconnect Unit for Sunny Central 250U/500U
DC connection data
DC operating current
* Input current with the derating factors of NEC articles 690.8(A)(1) and 690.8(B)(1) applied.
General AC connection data
AC connection data with Sunny Central 250U connected
AC connection data with Sunny Central 500U connected
Maximum array system voltage 600 V
Maximum operating current Sunny Central
250U 800 A
Maximum operating current Sunny Central
500U 1,600 A
Maximum input short circuit current (Isc) - per
home run SC-250U with 350 A fuses* 224.4 A
Maximum input short circuit current (Isc) - per
home run SC-500U with 450 A fuses* 288.4 A
Minimum operating voltage 422 V
Nominal operating voltage 480 V
Maximum operating voltage 528 V
Minimum operating frequency 59.3 Hz
Nominal operating frequency 60 Hz
Maximum operating frequency 60.5 Hz
Maximum continuous output current 300.7 A
Maximum continuous output power 250 kVA
Maximum continuous output current 601.4 A
Maximum continuous output power 500 kVA