SMA SC 500HE-US Installation - Manual (Page 66)

8 Electrical Connection SMA America, LLC
66 SC500HEUS-IA-US_en-14 Installation Manual
Cable arragement for AC cables longer than 6 1 ⁄
2
ft. (2 m)
Arrange the cables as shown in the following figure For all number of cables with length longer than
6
1
⁄
2
ft. (2 m). The description is exemplary for an arrangement with 4 cables per phase.
For AC cable arrangement 1: the distance between the cables should be twice the diameter of of a
single cable.
Figure 2: AC cable arrangement 2
Figure 3: AC cable arrangement 3
/05*$&
The maximum AC cable length between Disconnect Unit and transformer has to be lower than
49 ft. (15 m).
Number of cables
per phase 3 4 5 6
AC cable
arrangement 1. If possible:
AC cable
arrangement 2.
else:
AC cable
arrangement 1 AC cable
arrangement 1. If possible: AC
cable
arrangement 3.
else:
AC cable
arrangement 1.