3. Shorten L and N by 8 mm each, so that the grounding conductor is 8 mm longer. This ensures
that the grounding conductor is the last to be pulled from the screw terminal in the event of
tensile strain.
4. Strip the insulation of L, N and the grounding conductor by 12 mm.
5. In the case of fine stranded wire, the conductors L, N and the grounding conductor are to be
fitted with bootlace ferrules.
6. Unscrew the swivel nut from the threaded sleeve
and thread the swivel nut and threaded sleeve
over the AC cable.
• Insert the grounding conductor into the
screw terminal
PE
/
on the bush
insert and tighten the screw using a Torx
screwdriver (TX 8, torque: 1.4 Nm).
PE
N
L
1
2
• Insert N - or in the case of installation of the inverter between two line conductors L2 -
into the screw terminal
N
on the bush insert and tighten the screw using a Torx
screwdriver (TX 8, torque: 1.4 Nm).
• Insert L - or in the case of installation of the inverter between two line conductors L1 - into
the screw terminal
L
on the bush insert and tighten the screw using a Torx screwdriver
(TX 8, torque: 1.4 Nm).
7. Ensure that all conductors are securely in place in the screw terminals on the bush insert.
6 Electrical Connection
SMA Solar Technology AG
Operating Manual
25
SB30-50-1AV-40-BE-en-10
Summary of Contents for SUNNY BOY 3.0
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