IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation
37
© 2022 Enphase Energy Inc. All rights reserved.
Mar 2022
IQ8M-72-2-US Microinverter Specifications
Enphase IQ8M-72-2-US Microinverter Parameters
Topic
Unit
Min
Typical
Max
DC Parameters
Commonly used modules for pairing
1
260W
– 460W
Peak power tracking voltage
V
33
45
Operating Voltage Range
V
25
58
Maximum Input DC Voltage
V
60
Minimum/Maximum start voltage
V
30
58
Maximum DC input short circuit current (module Isc)
2
A
15
Overvoltage class DC port
II
DC Port backfeed under single fault
A
0
PV array configuration
1x1 ungrounded array; No additional DC side protection
required; AC side protection requires max 20A per branch
circuit
AC Parameters
Maximum continuous AC output power
VA
325
Peak output power
VA
330
Power factor (adjustable)
0.85 leading
0.85 lagging
Nominal AC output voltage range 240 VAC (single phase)
3
Vrms
211
264
Max continuous output current
Arms
1.35
Nominal frequency
Hz
60
Extended frequency range
Hz
50
68
Maximum AC output over current protection device
A
20
AC short circuit fault current over 3 cycles
Arms for over
3 cycle
5.8Arms
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
AC port backfeed current
mA
30
Power factor setting
1.0
.
