SolarEdge SEK-I Series Installation Manual page 52

Lug parameters:
Bolt hole size: 0.5"
Compression lugs of the one-hole, standard barrel, 600V type.
Maximum wire size: 4/0 AWG (For inverter models SE50K to SE80K, use 3/0 AWG)
Maximum lug tongue thickness: 0.27"
Maximum lug tongue width: 1.29"
7. Use heat shrink to isolate the lug barrels.
8. Connect the lug of the AC wires according to the labels on AC terminal. Fasten the
nuts of the AC terminal with a torque of 15.4 lb.*ft.
NOTE
For easy installation of the AC wires, start connecting the wires from right
to left: N→ L3 → L2→ L1 (See Figure 26 ).
9. Place the AC terminal cover over the AC terminals and push until a click is heard.
Close the Synergy Manager cover and secure it by tightening the six screws with a
torque of lb*ft2.6.
Three Phase Inverter with Synergy Technology P/N: SExxK-xxxxIxxxx SExxK-xxxxIxxxx
Chapter 4: Connecting AC and PV Strings to the Synergy Manager
Figure 25: AC wire and lug
Figure 26: Connecting wires to the AC terminals
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