SMA SB 2500TL-21 Installation - Manual (Page 34)

Electrical Connection SMA Solar Technology AG
34 SB25-30TLST-21-IA-en-13 Installation Manual
12. Connect L, N and the protective conductor (PE) to
the AC terminal in accordance with the label.
The protective conductor must be 5 mm longer than
the insulated L and N wires.
L and N must not be swapped.
13. Close all terminals of the AC terminal until they snap into place.
14. Check that the cable ends are firmly secured.
15. Fold down the display and fasten the screw hand-tight.
16. Hand-tighten the swivel nut firmly to the cable gland. Ensure that the cable is securely in place.
17. Attach the enclosed warning label "Risk of burns from electric arc" so that it is clearly visible on
the load disconnect unit on the AC side.
CAUTION!
Danger of crushing when terminals snap shut
The terminals close by snapping down fast and hard.
• Press the terminals down with your thumb, do not grip the sides of the terminal
between fingers and thumb.
• Keep fingers away from the terminals.
DANGER!
Danger to life due to high voltages in the inverter
• Do not switch on the miniature circuit-breaker until the PV array has been connected
and the inverter is securely closed.