Datasheet
(1) No enforced DC/AC ratio. See the compatibility calculator at https://link.enphase.com/module-compatibility.
(2) Maximum continuous input DC current is 10.6A. (3)Nominal voltage range can be extended beyond nominal if required
by the utility. (4) Limits may vary. Refer to local requirements to dene the number of microinverters per branch in your area.
IQ8M and IQ8A Microinverters
INPUT DATA (DC) IQ8M-72-M-US IQ8A-72-M-US
Commonly used module pairings
1
W 260 – 460 295 – 500
Module compatibility 60-cell / 120 half-cell, 66-cell / 132 half-cell and 72-cell / 144 half-cell
MPPT voltage range V 33 – 45 36 – 45
Operating range V 25 – 58
Min / Max start voltage V 30 / 58
Max input DC voltage V 60
Max DC current
2
[module I
sc
] A 15
Overvoltage class DC port II
DC port backfeed current mA 0
PV array conguration 1 x 1 Ungrounded array; No additional DC side protection required; AC side protection requires max 20A per branch circuit
OUTPUT DATA (AC) IQ8M-72-M-US IQ8A-72-M-US
Peak output power VA 330 366
Max continuous output power VA 325 349
Nominal (L-L) voltage / range
3
V 240 / 211 – 264
Max continuous output current A 1.35 1.45
Nominal frequency Hz 60
Extended frequency range Hz 50 – 68
AC short circuit fault current over
3 cycles Arms
2
Max units per 20 A (L-L) branch circuit
4
11
Total harmonic distortion <5%
Overvoltage class AC port III
AC port backfeed current mA 30
Power factor setting 1.0
Grid-tied power factor (adjustable) 0.85 leading – 0.85 lagging
Peak eciency % 97.6 97.6
CEC weighted eciency % 97 97.5
Night-time power consumption mW 60
MECHANICAL DATA
Ambient temperature range -40°C to +60°C (-40°F to +140°F)
Relative humidity range 4% to 100% (condensing)
DC Connector type Stäubli MC4
Dimensions (H x W x D) 212 mm (8.3”) x 175 mm (6.9”) x 30.2 mm (1.2”)
Weight 1.1 kg (2.43 lbs)
Cooling Natural convection – no fans
Approved for wet locations Yes
Pollution degree PD3
Enclosure Class II double-insulated, corrosion resistant polymeric enclosure
Environ. category / UV exposure rating NEMA Type 6 / outdoor
COMPLIANCE
Certications
CA Rule 21 (UL 1741-SB), UL 62109-1, UL1741 / IEEE1547, FCC Part 15 Class B, ICES-0003 Class B, CAN / CSA-C22.2 NO. 107.1-01
This product is UL Listed as PV Rapid Shut Down Equipment and conforms with NEC 2014, NEC 2017, and NEC 2020 section
690.12 and C22.1-2018 Rule 64-218 Rapid Shutdown of PV Systems, for AC and DC conductors, when installed according to
manufacturer’s instructions.
IQ8MA-MC4-DS-0003-02-EN-US-2022-08-23