IQ8MC/IQ8AC/IQ8HC Installation and Operation Manual
26 © 2023 Enphase Energy Inc. All rights reserved. September 2023
IOM-00029-1.0
7. Specifications
The specifications for the following IQ8 Series Microinverters are provided in the table below.
• IQ8MC-72-M-INT Microinverters
• IQ8AC-72-M-INT Microinverters
• IQ8HC-72-M-INT Microinverters
7.1 IQ8MC-72-M-INT Microinverter specifications
IQ8MC-72-M-INT Microinverter parameters
Topic Unit Minimum Typical Maximum
DC parameters
Maximum input power
1
W 480
Minimum/Maximum MPP voltage V 25 45
Minimum/Maximum operating voltage V 18 49
Minimum/Maximum input voltage V 18 60
Startup input voltage V 22
Maximum input current (I
dcmax
) A 14
Maximum short-circuit DC input current (I
scmax
) A 25
2
Protective class (all ports) II
PV array configuration
1x1 ungrounded array; no additional DC side
protection required; AC side protection requires
max 20 A (single-phase or multi-phase)
AC parameters
Rated power W 325
Maximum apparent power VA 330
Power factor range 0.8 leading – 0.8 lagging
Minimum/Nominal/Maximum grid voltage
3
Vrms 184 230 276
Maximum output current Arms 1.43
Nominal frequency Hz 50
Minimum/Maximum frequency Hz 45 55
Maximum AC output over current protection device A 20 A (single-phase & multi-phase)
High AC voltage trip limit accuracy % ±1.0
Low AC voltage trip limit accuracy % ±1.0
Frequency trip limit accuracy Hz ±0.1
Trip time accuracy (for trip times or delays < 5 sec.) ±ms 33
Trip time accuracy (for trip times or delays >= 5 sec.) % 1
Overvoltage class AC port III
Power factor setting 1.0
1. No enforced DC/AC ratio. See Enphase Compatibility Calculator
2. Maximum short circuit current for modules (I
sc
) allowed to be paired with IQ8 Series Microinverters: 20 A (Calculated with 1.25 safety
factor as per IEC 62548)
3. The nominal voltage range can be extended beyond nominal if required by the electricity network operator.
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