Prerequisites for connecting the inverter
Permitted cables Cables with the following design can be connected to the terminals of the inverter:
- Copper: round, solid
- Copper: round, fine-stranded, up to conductor class 4
Grid connections with push-in terminal*
Select a sufficiently large cable cross section based on the actual device output!
Power‐
categories
Solid Multi-stranded Fine-stranded
Fine-stranded with ferrules‐
with/without collar
3–6 kW
(3-pin)
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
2.5–6 mm
2
AWG 14–10
Grid connections backup power with push-in terminal*
Select a sufficiently large cable cross section based on the actual device output.
Power‐
categories
Solid Multi-stranded Fine-stranded
Fine-stranded with ferrules‐
with/without collar
3–6 kW
(3-pin)
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
2.5–6 mm
2
AWG 14–10
PV/BAT connections with push-in terminal
Select a sufficiently large cable cross section based on the actual device output.
Power‐
categories
Solid Multi-stranded Fine-stranded
Fine-stranded with ferrules‐
with/without collar
3-6 kW
(2 x 5-pin)
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
2.5–6 mm
2
AWG 14–10
Ground electrode terminal (6-pin)
Select a sufficiently large cable cross section based on the actual device output.
Number of pins Solid Multi-stranded Fine-stranded
Fine-stranded with ferrules‐
with/without collar
2
2.5–16 mm
2
AWG 14–6
2.5–16 mm
2
AWG 14–6
2.5–16 mm
2
AWG 14–6
2.5–16 mm
2
AWG 14–6
4
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
2.5–10 mm
2
AWG 14–8
* According to product standard IEC 62109, the ground conductor must correspond to
the phase cross-section for phase cross-sections ≤16 mm²; for phase cross-sections >16
mm², it must correspond to at least 16 mm².
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