Enphase IQ8 IQ8M-72-M-US Microinverter
Enphase IQ8 IQ8M-72-M-US Microinverter
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Enphase IQ8M Microinverter – IQ8M-72-M-US
349 VA Output | 480W Max DC Input | MC4 | Grid-Forming Capable
The IQ8M-72-M-US is a smart microinverter designed to maximize energy harvest from high-efficiency solar modules. With support for up to 480W DC input and 349 VA continuous AC output, it's ideal for today’s powerful 60, 66, or 72-cell (or half-cell equivalent) solar panels.
Key Features
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349 VA continuous AC output
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Max DC input power: 480W
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Integrated MC4 connectors for quick, weather-resistant installation
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Grid-forming capable when paired with Enphase IQ Battery
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97.6% CEC weighted efficiency
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Rapid Shutdown compliant (NEC 2017/2020)
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Seamless integration with Enphase IQ Gateway, Combiner, and Enlighten monitoring
Ideal Applications
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Residential rooftop systems
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Upgrades or replacements for M215/M250 microinverters
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Battery-backed systems with IQ Battery
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Smart solar installs needing individual panel optimization
Product Specifications
Enphase IQ8M vs IQ8A Microinverters – Full Specification Comparison
| Specification | IQ8M-72-M-US | IQ8A-72-M-US |
|---|---|---|
| Common Module Pairings (W) | 260 – 460 | 295 – 500 |
| MPPT Voltage Range (V) | 30 – 45 | 32 – 45 |
| Operating Range (V) | 16 – 58 | 16 – 58 |
| Min / Max Start Voltage (V) | 22 / 58 | 22 / 58 |
| Max DC Input Voltage (V) | 60 | 60 |
| Max Continuous DC Input Current (A) | 12 | 12 |
| Max DC Short-Circuit Current (A) | 25 | 25 |
| Max Module Isc (A) | 20 | 20 |
| Overvoltage Class (DC Port) | II | II |
| DC Port Backfeed Current (mA) | 0 | 0 |
| PV Array Configuration | Ungrounded array | Ungrounded array |
| Peak Output Power (VA) | 330 | 366 |
| Max Continuous Output Power (VA) | 325 | 349 |
| Nominal AC Voltage (L–L) | 240V split-phase, 180° | 240V split-phase, 180° |
| Grid Voltage Range (V) | 211 – 264 | 211 – 264 |
| Max Continuous Output Current (A) | 1.35 | 1.45 |
| Nominal Frequency (Hz) | 60 | 60 |
| Frequency Range (Hz) | 47 – 68 | 47 – 68 |
| AC Short-Circuit Current (Arms) | 2 | 2 |
| Max Units per 20A Branch Circuit | 11 | 11 |
| Total Harmonic Distortion (%) | <5 | <5 |
| Overvoltage Class (AC Port) | III | III |
| AC Port Backfeed Current (mA) | 30 | 30 |
| Power Factor Setting | 1.0 | 1.0 |
| Adjustable Power Factor | 0.85 leading to 0.85 lagging | 0.85 leading to 0.85 lagging |
| Peak Efficiency (%) | 97.8 | 97.7 |
| CEC Weighted Efficiency (%) | 97.5 | 97.0 |
| Nighttime Power Consumption (mW) | 21 | 22 |
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