SMA WB 3000-21 Installation User Manual
Page 32

6 Electrical Connection
SMA Solar Technology AG
32
WB3-5TL-21-IA-en-10
Installation Manual
6. If the diameter of the AC cable is between 15 mm and 21 mm, remove the insert from the seal
in the AC cable gland:
• Unscrew the swivel nut of the AC cable gland.
• Remove the insert in the seal of the AC cable
gland.
• Screw the swivel nut a little way onto the AC cable gland. Do not fully tighten the swivel nut.
7. Strip the AC cable insulation.
8. Shorten L and N by 5 mm each.
9. Strip 12 mm of the L, N, and PE insulation each.
10. Route the AC cable into the inverter through the cable gland. If necessary, slightly loosen the
swivel nut of the cable gland.
11. Push the safety levers of the connecting terminal
plate for the AC cable right up to the stop.
12. Connect the AC cable to the connecting terminal plate for the AC cable:
• Connect PE to the
terminal.
• Connect N to the N terminal.
• Connect L to the L terminal.