IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation
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© 2022 Enphase Energy Inc. All rights reserved.
Mar 2022
IQ8PLUS-72-2-US Microinverter Specifications
Enphase IQ8Plus-72-2-US Microinverter Parameters
Topic
Unit
Min
Typical
Max
DC Parameters
Commonly used modules for pairing
1
235W
– 440W
Peak power tracking voltage
V
29
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
290
Peak output power
VA
300
Grid-tied 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
1.21
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
