Connecting to AC
Connecting to the Auto-transformer
The Auto-transformer is required for Backup Power only.
Figure 26: Connecting to the auto-transformer
1. Use the supplied Allen key to open the 4 screws of the auto-transformer and remove its cover.
2. Prepare cables and connect as described in the following table:
Recommended
cable type (min-
max AWG)
Connection Unit
connection
Auto-transformer
connection
Connection method
AC
8 AWG (6-20 AWG)
3-pin terminal block: L1
Line terminal: L1
Insert the wire into the round
opening and push to clamp the
wire.
3-pin terminal block: L2
Line terminal: L2
3-pin terminal block: N
Neutral terminal: N
Grounding
10 AWG cable
Grounding Bus-bar
Grounding lug
Chapter 6: StorEdge Inverter Connections
SolarEdge
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StorEdge Installation Guide MAN-01-00262-1.3
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