Three-Phase Qd Cable Specifications, Cable Types, And Ordering Options - enphase IQ8 Design Manual

2.2.1 Three-phase QD Cable specifications, cable types, and ordering options

The QD Cable and Raw QD Cable are manufactured with DG cable to the specifications in the
following table.
QD Cable
Outer diameter
Voltage rating
Max AC conductor resistance (20ºC)
(Ω/km)
Certification
Flame test rating
Compliance
Conductor type
Disconnecting means
Color code
The following are three-phase QD Cable types and ordering options based on the PV module
orientation specific to the site.
Model number
Max voltage
QD-12-13-120 277 VAC
QD-12-20-120 277 VAC
QD-12-25-108 277 VAC
15
Figure 4: QD Cable connector phase rotation
Table 5: QD Cable specifications
QD Cable specifications
Four Conductors 12 AWG.
11.5 mm.
600 V (Connector rating up to 277 VAC).
12 AWG 5.43 Ω/km.
UL3003 (raw cable), UL 9703 (cable assemblies), DG cable.
FT4.
RoHS, OIL RES I, CE, UV resistant, combined UL for the United
States.
THHN/THWN-2 dry/wet.
Risk of electric shock. Always de-energize the AC branch circuit
before servicing.
Never disconnect the DC or AC connectors under load.
L1: Black; L2 Red; L3 Blue; Neutral Sense White.
Table 6: QD Cable types/ordering options
QD Cable types/ordering options
Connector
Size
spacing
12 1.7 m (5.6 ft)
AWG
12 2.4 m (7.9 ft)
AWG
12 2.9 m (9.5 ft)
AWG
© 2023 Enphase Energy Inc. All rights reserved.
IQ8 Commercial Microinverter grid-tied PV system
PV module orientation
Portrait
Landscape
Landscape
Connector
count per
box
120
120
108
November 2023
USG-00026-1.0