28 SB3-5TL-21-BE-en-10 Operating Manual
6 Electrical Connection SMA Solar Technology AG
5. Loosen the screw on the display and flip the display up to have more space to make the
connection.
☑ The display clicks into place.
6. Unscrew the swivel nut from the cable gland.
7. If the outer diameter of the cable is between 15 mm and 21 mm, remove the inner sealing ring
from the cable gland.
8. Move the swivel nut of the cable gland over the AC cable and then route the AC cable through
the cable gland into the inverter.
9. Dismantle the AC cable.
10. Shorten L and N by 5 mm each.
11. Strip 18 mm of the L, N and PE insulation each.
14. Ensure that all conductors are securely in place.
15. Screw the swivel nut onto the cable gland.
16. If the display is raised, lower it and tighten the screw.
12. Push the safety levers of the connecting terminal
plate for the AC cable right up to the stop.
13.
Danger of crushing when safety levers snap shut
The safety levers close by snapping down fast and hard.
• Connect PE, N and L according to the labeling
to the connecting terminal plate for the AC
cable and push the safety levers down with your
thumb only. Do not grip the entire connecting
terminal plate for the AC cable between finger
and thumb and keep fingers out from under the
safety levers.
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