enphase IQ7 - Page 40

IQ7/IQ7+/IQ7X/IQ7A Microinverters Installation and Operation Manual
40 © 2023 Enphase Energy Inc. All rights reserved. September 2023
IOM-00028-1.0
IQ7A-72-2-US Microinverter parameters
Topic Unit Min Typical Max
AC parameters
Maximum continuous AC output power (-40 to
140°F)
VA 349 VA @ 240 VAC 290 VA @ 208 VAC
Peak output power VA
366 VA @ 240 VAC 295 VA @ 208 VAC
Power factor (adjustable)
0.85 leading …0.85 lagging
Nominal AC output voltage range
11
240 VAC (single phase)
208 VAC (single phase)
Vrms
Vrms
211
183
264
229
Nominal output current
240 VAC (single phase)
208 VAC (single phase)
Arms
Arms
1.45
1.39
Nominal frequency Hz 60
Extended frequency range Hz 47 68
Maximum AC output over current protection device A 20
AC short circuit fault current over three cycles Arms for over
three cycles
5.8
High AC voltage trip limit accuracy %
±1.0
Low AC voltage trip limit accuracy %
±1.0
Frequency trip limit accuracy % ±0.1
Trip time accuracy milliseconds ±0.1% or two cycles
Overvoltage class AC port III
AC port backfeed under single fault A 0
Power factor setting 1.0
Miscellaneous parameters
Maximum
12
microinverters per 20A (max) AC branch
circuit
240 VAC (single phase)
208 VAC (single phase)
11
11
CEC weighted efficiency
240 VAC (single phase)
208 VAC (single phase)
%
97.0
96.5
Static MPPT efficiency (weighted, ref EN 50530) % 99.0
Total harmonic distortion % 5
Ambient temperature range
°F
-40 140
Night tare loss mW 60
Storage temperature range
°F
-40 185
11
Nominal Voltage Range can be extended if required by the utility.
12
Limits may vary. Refer to local requirements to define the number of microinverters per branch in your
area.
.