Fronius IG 300 - Manual (Page 56)

48
AC leads and a
pair of DC leads
3
L1 L2 L3 N PE PE
1
2
AC leads and a
two pairs of DC
leads
- AC cable cross section: 35 mm²
The copper brackets on the DC side
provide enough space for up to 8 DC
cables. The fitting screws are supplied
with the FRONIUS IG.
NOTE! Do not exceed the follo-
wing torques when tightening the
screws:
- AC terminals: 6 Nm
- Securing the DC cables to
the copper brackets: 30 Nm
(M12 screws)
- AC cable cross section: 35 mm²
- DC cable cross section: 70 mm²
If two pairs of DC cables are connected to
the FRONIUS IG, they should be con-
nected directly (without using the copper
brackets).
NOTE! Do not exceed the follo-
wing torques when tightening the
screws:
- AC terminals: 6 Nm
- DC terminals: 7 Nm
- After connecting the cable, replace
the cover
AC
DC
+ -
L1, L2, L3, N, PE
Strain relief Open the strain relief device, remove it if
necessary and route the following cables
through it:
-
AC cable
- DC cable
- Cables for LocalNet/DatCom if they
are installed (additionally secure these
with cable ties)
- Cables for external power supply to
the rack, if installed
1
1
2
1
3
Important! If required, request a sealing cover for the over/undervoltage relay and have
it fitted by your power supply company.
L1 L2 L3 N PE PE
2
2
1
AC
DC
+ -
L1, L2, L3, N, PE