Wiring the Sunny Boy Bottom view and Dimensions
5-4 SMA America SB3000US-4000US-11-SE1607
Bottom view and Dimensions
The DC input from the PV array (via the DC disconnect enclosure) and the output to
the AC utility grid connect to the inverter inside the Sunny Boy’s case. The internal
AC and DC wiring terminals accept a maximum wire size of #6 AWG. Knockouts
are provided on the bottom of the Sunny Boy near each of the terminals for the wires
to enter the case (see
Figure 5-1).
Figure 5-1 Sunny Boy showing wiring knockout locations
CAUTION: The AC and DC knockouts in the Sunny Boy
chassis are sized for 3/4-inch rigid conduit. DO NOT enlarge
any of these holes, as this is may violate the listing and will
void the SMA warranty.
3/4” DC Knockout
1/2” Communication Cable
Gland
3/4” AC Knockout
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