25
For metric screw joint M32:
Cable diameter 11 - 21 mm
For metric screw joint M40:
Cable diameter 19 - 28 mm
If required, use reducers for smaller cable diameters.
Cross Section
of AC Cable
WARNING! An electrical shock can be fatal. Danger from
mains voltage and DC voltage from solar modules.
- The connection area should only be opened by a licensed
electrician.
- The separate power module area should only be discon-
nected from the connection area after first being discon-
nected from the mains power.
- The separate power module area should only be opened by
Fronius-trained service personnel.
Before making any connections, make sure that the AC and DC
sides are disconnected from the inverter.
Safety
NOTE The AC side terminals are not designed for connecting
aluminum cables.
CAUTION! Danger of damaging the inverter by overloading the
grid neutral conductor.
- Do not connect 2-phase and 3-phase devices together to
one phase
- Never operate multi-phase devices in one phase
Connecting
Aluminum
Cables
CAUTION! Danger of damaging the inverter from improperly
connected terminals. Improperly connected terminals can cause
thermal damage to the inverter and may cause a fire. When
connecting the AC and DC cables, make sure that all terminals
are tightened securely using the proper torque.
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