enphase IQ8 Design Guide

IQ8 Commercial Microinverter grid-tied PV system
37 © 2023 Enphase Energy Inc. All rights reserved. November 2023
USG-00026-1.0
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
183 to 229 VAC
198 to 242 VAC
Figure 18: Center feeding of AC branch circuit
Figure 19: Center feeding of AC branch circuit with link FW connector

enphase IQ8 Specifications

General

Model	IQ8
Manufacturer	Enphase Energy
Efficiency	97.5%
Cooling	Natural convection
Warranty	25 years
Weight	2.2 lbs
AC Voltage	240 V
Frequency Range	60 Hz
Operating Temperature Range	-40°C to +60°C