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SMA Technologie AG Installation Requirements

Installation Guide SB25_30-11:SE0307 Page 19

The Sunny Boy is designed for operation on 220 - 240 V grids at a grid frequency of

50 / 60 Hz. When connecting an inverter to the public grid, follow the connection

requirements of the local grid operator.

Limit values for AC output

Voltage range (complying with DIN VDE

0126-1-1)

198 V ... 253 / 260 V

Frequency range (complying with DIN

VDE 0126-1-1)

47.55 Hz ... 50.2 Hz

Voltage range (extended operating

range)

180 V ... 265 V

Frequency range (extended operating

range)

45.5 Hz ... 54.5 Hz

55.5 Hz ... 64.5 Hz

a The Sunny Boy can feed into the public grid at a maximum output voltage of

260 V for brief periods. However, DIN VDE 0126-1-1 stipulates that the 10-

minute average must not exceed a voltage of 253 V. That means, if the grid

voltage is constantly 254 V (e.g.), the inverter disconnects itself from the grid.

In this case, contact the local grid operator for assistance.

DIN VDE 0126-1-1 only applies in Germany. See section 8.4.3 "Country-

specific Parameter Settings" (Page 47) for all other preset country values of

your inverter.

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