IQ8MC, IQ8AC, IQ8HC, and IQ8X Microinverters Installation and Operation Manual
34 © 2023 Enphase Energy Inc. All rights reserved. November 2023
USM-00008-2.0
IQ8HC-72-M-US Microinverter specifications
Enphase IQ8HC-72-M-US Microinverter parameters
Topic Unit Minimum Typical Maximum
DC parameters
Commonly used modules for pairing
1
W 295–540
Module compatibility
To meet compatibility, PV modules must be within the
following maximum input DC voltage and maximum module Isc
Module compatibility can be checked at
https://enphase.com/installers/microinverters/calculator
.
MPPT voltage range V 29.5 45
Operating Range
18 58
Minimum/Maximum start voltage
V
22 58
Maximum Input DC Voltage V 60
Max. continuous operating DC current A 14
Max. input DC short-circuit current A 25
Max. module I
sc
A 20
Overvoltage class DC port II
DC port backfeed under single fault A 0
PV array configuration
Ungrounded array; No additional DC side protection
required; AC side protection requires max 20 A per branch
AC parameters
Peak output power
240 VAC
208 VAC
VA
384
Maximum continuous AC output power
240 VAC
208 VAC
VA
380
Nominal grid voltage (L-L)
240 VAC
208 VAC
V
split-phase (L-L), 180°
single-phase (L-L), 120°
Minimum and Maximum grid voltage
2
240 VAC
208 VAC
V
211
264
Max continuous output current
240 VAC
208 VAC
A
1.58
1.73
Nominal frequency Hz 60
Extended frequency range Hz 47 68
AC short circuit fault current over 3 cycles
rms
Maximum microinverters per 20 A (max) AC
branch circuit
3
240 VAC
10
9
Total harmonic distortion
% <5
Overvoltage class AC port III
AC port backfeed current mA 18
Power factor setting 1.0
Grid-tied power factor (adjustable) 0.85 leading … 0.85 lagging