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SMA Sunny Central 250-US Inverter

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Features

Efficient

  • 97% CEC weighted efficiency
  • Direct connection to the 480 V grid
  • Suitable for ambient temperatures of up to 60 °C (140 °F)

Reliable

  • Integrated isolation transformer
  • Suitable for indoor or outdoor use
  • Integrated data logger
  • Simple remote query and maintenance

Strong Peripherals

  • AC/DC disconnect unit
  • Optional combiner boxes
  • Sunny Central String-Monitor-US

UL Certified

  • UL 1741 / IEEE-1547 compliant

The Sunny Central 250-US solar inverter is ideally suited for commercial solar projects in North America. The integrated transformer makes direct connection with the low-voltage grid possible and, thanks to the outdoor-rated enclosure and OptiCool™ temperature management system, the units can be installed practically anywhere. The CEC efficiency of 97 percent is remarkable for transformer based inverters. Monitoring and remote maintenance is performed via the integrated data logger, which is accessible through RS485, Ethernet or OPC interfaces.

SMA Sunny Central 250-US Inverter

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Specifications

Model Number Sunny-Central-250-US
Peak Efficiency 97.500
CEC Weighted Efficiency 97.000
Weight (lbs) 4189.0
Height (in) 80.0
Width (in) 110.0
Depth (in) 33.0

Manufacturer Specification Sheets

View FileSunny-Central-250-US Data Sheet    Size: (322.41 KB)

Details

Sunny Central

 

 

 

Sunny Central 250 US Inverter Efficiency Curve

Sunny Central 250 US Inverter Diagram

Input data
Max. DC power 285 kWp 1)
MPP voltage range 330 V – 600 V
Max. DC voltage 600 V
Feed starting at [U]/[P] 380 V / 5000 W
Max. DC current 800 A
Number of DC inputs 4 – 6
Output data
Nominal AC power 250 kVA @ 45 °C (113 °F)
Max. AC current 300 A @ 480 V
AC grid frequency 60 Hz
AC voltage range 422 V – 528 V
AC voltage range, full active power 480 V – 514 V
Power factor (cos φ) > 0.99
Max. THD < 3%
Efficiency 2)
Max. efficiency 97.5%
CEC efficiency 97%
Euro-eta 96.6%
Ambient conditions
Operating temperature range –25 °C … +50 °C (–13 °F ... +122 °F)
Max. temperature for nominal conditions +45 °C (+113 °F)
Protection rating NEMA 3R
Installation indoors / outdoors ●/●
Rel. humidity 15% … 95%
Fresh air consumption 4000 m3/h
Internal consumption at nominal power < 800 W
Standby consumption (Pnight) < 69 W
Dimensions and weight
Height 2027 mm (80 in)
Width 2786 mm (110 in)
Depth 830 mm (33 in)
Weight < 1900 kg (4189 lb)
Certificates / listings
Certificates UL 1741, UL 1998, IEEE 1547
EMC conformity FCC, Part 15, Class A
Interfaces
RS485 / Ethernet / Analog ○/○/○
Display: text line / graphic ●/—
Communication protocols Modbus / TCP
SSM-US connection RS485
Plant monitoring Sunny Portal
● Standard features ○ Optional features — Not available
Type designation SC 250U