SMA WB 3000-21 Installation - Manual (Page 29)

SMA Solar Technology AG 6 Electrical Connection
Installation Manual WB3-5TL-21-IA-en-10 29
6.2.2 Interior View
Figure 11: Connection areas in the interior of the inverter
6.3 AC Connection
6.3.1 Conditions for the AC Connection
Cable requirements:
☐ External diameter: 12 mm to 21 mm
☐ Maximum wire size: maximal 10 mm²
☐ Stripping length: 12 mm
Position Description
A 2 positive and 2 negative DC connectors, input A
B Jack for plugging in the ESS
C 2 positive and 2 negative DC connectors, input B
D Jack for connecting the multi-function interface
E Jack for connecting the communication interface
F Connecting terminal plate for connecting the AC cable
G Installation location for retrofitted fan
H Ground terminal for additional grounding of the inverter
B A C D E F
G H