6.2.2
Interior View
Figure 7: Connection areas in the interior of the inverter
Position
Designation
A
DC protective cover
B
Pin connector for connecting the multifunction relay or the SMA Power Con-
trol Module
C
Pin connector for connecting the communication interface or the data module
D
Connecting terminal plate for the AC cable
E
Jumper slot for switching the display language to English
F
Screw to release and attach the communication board
G
Rotary switch A and B for setting the country data set
H
Slot for the SD memory card, for service purposes only
6.3 AC Connection
6.3.1
Requirements for the AC Connection
Cable requirements:
☐ External diameter: 14 mm to 25 mm
☐ Conductor cross-section: 4 mm² to 16 mm²
☐ Maximum conductor cross-section with bootlace ferrule: 10 mm²
6 Electrical Connection
SMA Solar Technology AG
Operating Manual
21
STP20-25TL-BE-en-10
