Enphase IQ8 Install and Operation Manual

IQ8 / IQ8+ / IQ8M / IQ8A / IQ8H Micro Installation and Operation
36 © 2022 Enphase Energy Inc. All rights reserved. Aug 2022
IQ8H-240-72-2-US Microinverter Specifications
Enphase IQ8H-240-72-2-US Microinverter Parameters
Topic
Unit
Min
Typical
Max
DC Parameters
Commonly used modules for pairing
1
320W – 540W+
Peak power tracking voltage
V
36
45
Operating Voltage Range
V
16
58
Maximum Input DC Voltage
V
60
Minimum/Maximum start voltage
V
22
58
Maximum continuous input DC current (module Imp)
A
12
Maximum DC input short circuit current (module Isc)
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
380
Peak output power
VA
384
Power factor (adjustable)
0.85 leading
0.85 lagging
Nominal AC output voltage range
2
240 VAC (single phase)
Vrms
211
264
Max continuous output current
Arms
1.58
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
2 Arms
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