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All inverters

Compatible panels for Enphase IQ8H-3P-72-E-US

0.4 kW Microinverter with 1 MPPT trackers. DC input up to 63 V, MPPT range 28.5–45 V.

Key specifications: Enphase IQ8H-3P-72-E-US

Max DC voltage

63 V

MPPT voltage range

28.5–45 V

Start-up voltage

21 V

Max input current per MPPT

14 A

Max short-circuit current

20 A

Nominal AC power

0.4 kW

MPPT configuration

1 MPPT × 1 strings

Inverter type

Microinverter

The Enphase IQ8H-3P-72-E-US is a 0.4 kW inverter suitable for residential and commercial solar installations. The panel matcher above shows all compatible solar panels with optimal string configurations calculated automatically based on voltage, current, and temperature limits.

Use our string sizing calculator for a detailed 7-check compatibility analysis with temperature-adjusted voltage and current calculations.

Frequently Asked Questions

How many solar panels can I connect to the Enphase IQ8H-3P-72-E-US?

The Enphase IQ8H-3P-72-E-US has 1 MPPT tracker(s), each supporting 1 input string(s). The exact panel count per string depends on your panel's Voc relative to the MPPT range 28.5–45 V. Use the matcher above to find the optimal configuration automatically.

What is the MPPT voltage range of the Enphase IQ8H-3P-72-E-US?

The Enphase IQ8H-3P-72-E-US MPPT accepts DC voltages between 28.5 V and 45 V. At summer temperatures, the string Vmpp must stay above 28.5 V. At winter temperatures, the string Voc must not exceed the absolute DC limit of 63 V. The matcher calculates these temperature-adjusted checks automatically.

Is the Enphase IQ8H-3P-72-E-US compatible with all solar panel brands?

Yes — the Enphase IQ8H-3P-72-E-US is compatible with any solar panel brand as long as the string voltage and current stay within its electrical limits. Panel brand does not affect compatibility. What matters is that the string Voc at coldest temperature stays below 63 V, Vmpp stays within 28.5–45 V, and total current stays below 20 A.