enphase IQ8 Design Manual page 37

C. Use a female three-phase Field Wireable QD Connector (QD-CONN-10F) to connect the
extension cable to the 3-pole 20 A over-current protection device (OCPD) in the PV
subpanel.
NOTE: Do not remove pre-installed sealing caps on the center-tap connector if the connector
is not used for center-feeding AC supply.
D. Complete the AC connection. Verify that the AC voltage at the site is within range.
Service type and voltage: L1-L2, L2-L3 and L3-L1
208 VAC three-phase
220 VAC three-phase
37
Figure 18: Center feeding of AC branch circuit
Figure 19: Center feeding of AC branch circuit with link FW connector
© 2023 Enphase Energy Inc. All rights reserved.
IQ8 Commercial Microinverter grid-tied PV system
183 to 229 VAC
198 to 242 VAC
November 2023
USG-00026-1.0