Electrical connection SMA America, LLC
42 SB30-40US-IUS103030 Installation Guide
11. Connect the wires to the terminal blocks in the SMA DC Disconnect and tighten to a torque of
15 in-lbs. (1.7 Nm).
12. Verify that all connections are correctly wired and properly torqued. Pull on the cable in order
to make sure that it is sufficiently fixed in the terminal.
☑ The AC cables are now connected in the SMA DC Disconnect.
7. Connect the AC equipment-ground wire to the PE
terminal labeled in the SMA DC Disconnect.
8. Connect the L1 (AC line 1 or UNGROUNDED) wire to
the terminal labeled L1 in the SMA DC Disconnect.
9. Connect the L2 (AC line 2) wire to the terminal labeled
L2 in the SMA DC Disconnect.
10. Connect the N (AC line N) wire to the terminal labeled
N in the SMA DC Disconnect.
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