Fronius Primo GEN24 3.0 - Connection Prerequisites; Permitted Cables and Wire Gauges

Prerequisites for connecting the inverter
Permitted cables Cables with the following design can be connected to the terminals of the invert-
er:
-
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)
1.5–10 mm
2
AWG 16–8
1.5–10 mm
2
AWG 16–8
1.5–10 mm
2
AWG 16–8
1.5–6 mm
2
AWG 16–10
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)
4–10 mm
2
AWG 12–8
4–10 mm
2
AWG 12–8
4–10 mm
2
AWG 12–8
4–6 mm
2
AWG 12–10
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.
** The cable cross section must be dimensioned in accordance with the in-
stallation situation and the specifications of the battery manufacturer.
61
EN