Fronius Symo Series Installation Instructions Manual page 26

Power categories
Eco
20-27 kVA
DC Con Kit 25
The Fronius DC Con Kit 25 (4,251,015) can be used to connect a solar module string
with a cross-section of up to 25 mm² to the inverter.
Connecting multiple interconnected solar module
fields to an inverter with multiple MPP trackers using
one lead
DC Con Kit 35
The Fronius DC Con Kit 35 (4,251,029) can be used to connect a solar module string
with a cross-section of up to 35 mm² to the inverter.
26
MPP tracker Input current
DC input
MPP1 I
max
DC+1
MPP1 I
max
DC+2
By using the DC Con Kit 25, the DC
strings of the connected DC lines are
equally distributed to both inputs.
PV cable connection torque DC Con Kit
25: 5.5 Nm / 50 lb-in
per terminal 15 A
per terminal 15 A