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 Control
Module
C Pin connector for connecting the communication interface
D Connecting terminal plate for connecting the AC cable
E Screw to release and attach the communication board
F Rotary switch A and B for setting the country data set
G Slot for the SD memory card (for service purposes)
6.3 AC Connection
6.3.1 Requirements for the AC Connection
Cable requirements:
☐ The conductors must consist of copper.
☐ External diameter: 14mm to 25mm
☐ Conductor cross-section: 6mm² to 16mm²
☐ Maximum conductor cross-section with bootlace ferrule: 10mm²
6 Electrical Connection
SMA Solar Technology AG
Operating Manual 23STP15-25TL-30-BE-en-13