Connection procedure – SMA SB 3000TL-20 Installation User Manual
Page 51

SMA Solar Technology AG
Electrical Connection
Installation Guide
SB30TL_40TL_50TL-IA-IEN120231
51
Connection procedure
1. Open the inverter as described in section 7.2 ”Opening the Inverter” (page 61).
2. Loosen the cable gland's lock nut (H) slightly and
remove the filler-plug from the cable gland.
3. Insert the cable into each inverter.
4. Strip max. 8 mm off the insulated conductors.
Seal in the cable gland
There is a two-part seal in the cable gland.
Remove the internal insert if necessary, e.g. to
lay a thicker cable.
The following guideline values apply:
• Cable diabmeter with seal and insert: 5 mm … 7 mm
• Cable diameter with seal and without insert: 7 mm …13 mm
DANGER!
Danger to life due to high voltages in the inverter.
• Do not use cables with single-layer insulation.
• Strip cable to a maximum length of 15 mm.