11 shield contact handling instructions – SMA SC 100LV-560HE User Manual
Page 66

Electrical Connection
SMA Solar Technology AG
66
SC125_560HE-IEN083220
Installation Guide
5.2.11 Shield Contact Handling Instructions
The external signal and bus cables must be shielded. The shield must contact the shield rail provided
for this purpose, over a large surface area. The contact is made with the shield clamps included in the
delivery.
The correct handling of the shield clamps is shown in
the figure on the right.
Shield rail (A) in the area of the external connection terminals in the Sunny Central 250
ATTENTION!
Damage of the shield clamps through incorrect handling
The shield clamps must only be tightened by hand and not through the use a of screwdriver.
Tightening the clamps with the use of a screwdriver can damage the cable insulation.
L1
L2
L3
L1
L2
L3
L+
L-
L+
L-
L+
L-
L+
L-
L2
L3
L1
L2
L3
L1
L-
L+
L-
L+
A