IQ8MC/IQ8AC/IQ8HC Microinverters Installation and Operation Manual
32 © 2023 Enphase Energy Inc. All rights reserved. October 2023
USM-00008-1.0
Specifications
See the specifications in the following tables for:
• IQ8MC-72-M-US Microinverters
• IQ8AC-72-M-US Microinverters
• IQ8HC-72-M-US Microinverters
• IQ Cable
IQ8MC-72-M-US Microinverter specifications
Enphase IQ8MC-72-M-US Microinverter parameters
Topic Unit Min Typical Max
DC parameters
Commonly used modules for pairing
1
W 260–460
Module compatibility
To meet compatibility, PV modules must be within the
maximum input DC voltage and maximum module I
sc
listed
below.
Module compatibility can be checked at
https://enphase.com/installers/microinverters/calculator.
MPPT voltage range V 25 45
Operating range
18 58
Minimum/Maximum start voltage
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 20 A per branch circuit
AC parameters
Peak output power
240 VAC
208 VAC
VA
330
315
Maximum continuous AC output power
240 VAC
208 VAC
VA
320
Nominal grid voltage (L-L)
240 VAC
208 VAC
V
split-phase (L-L), 180°
Minimum and Maximum grid voltage
2
240 VAC
208 VAC
V
211
183
264
229
Max continuous output current
240 VAC
208 VAC
A
1.33
Nominal frequency Hz 60
Extended frequency range Hz 47 68