IQ9N Microinverter (277 V)Powered by advanced GaN-based architecture and the trusted Enphase platform, the IQ9 Microinverter delivers high performance, long-term reliability, and seamless compatibility with today’s high-powered commercial modules—all in a compact form.
It supports 277 V (L-N) three-phase grids without the need for external transformers, enabling streamlined designs for 480 VAC projects. Each IQ9N-3P Microinverter pairs with a single module and integrates with QD Cables and the IQ Gateway Commercial Pro.
Built-in features like rapid shutdown, phase balancing, voltage/frequency ride-through, and loss-of-phase detection ensures grid compliance and safety. Remote diagnostics and full fleet visibility via the Enphase Installer Portal and App reduce site visits and boost system performance.
Details- Peak AC output power of 427 VA
- Supports up to 16 A continuous input current
- Supports 277 V (L-N) three-phase grids
- Supports high-power panels up to 600 W
- CEC weighted efficiency of 97.5%
- Lightweight design with easy plug-and-play connectors
- Power line communication (PLC) between components
- Class II double-insulated enclosure
- Optimized for the latest high-powered PV modules
- Remote automatic updates for the latest grid requirements
- Configurable to support a wide range of grid profiles
- Meets CA Rule 21 (UL 1741-SB), UL 62109-1, UL 1741/IEEE 1547 requirements
- Made in the U.S. with imported components
- Complies with domestic content, BAA, and BABA Act
- IQ9 Commercial Microinverter data sheet PDF - 494.86 KB Last updated on 01/15/2026 | Download
- IQ9 Commercial Microinverter fiche technique | Download
- Connecting IQ Commercial Microinverters to other voltages tech brief | Download
- IQ9N-3P Microinverter quick install guide PDF | Download
- IQ9N-3P Microinverter Quick install guide - French | Download
Technical Specifications- Peak power output: 427 VA
- Height: 206.5 mm
- Width: 186 mm
- Depth: 31.25 mm
- Weight: 1.2 kg
Compatibility- IQ Gateway Commercial Pro
What's in the box- IQ9N-3P Microinverter with mounting bracket
- Quick install guide
Warranty- The IQ9N-3P Microinverter meets the highest reliability standards in the industry, and comes with an industry-leading limited warranty of up to 25 years.