Enphase IQ9N Three-Phase Microinverter, 277V AC, NEC 2023 Compliant IQ9N-3P-277
MPN No: IQ9N-3P-277
Expected ship date Feb 02 - 09
In Stock
$164.79
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IQ9N-3P-277
MPN No: IQ9N-3P-277
Expected ship date Feb 02 - 09
In Stock
$164.79
The IQ9N-3P-277 is a high-powered, commercial-grade microinverter engineered for 480 VAC three-phase PV systems. Designed to pair with today’s high-wattage modules, it delivers industry-leading efficiency, advanced grid support, and robust reliability for large rooftop and ground-mount projects.
427 VA High Output
Optimized for modern 340–600 W PV modules, maximizing per-module energy harvest.
Three-Phase Commercial Architecture
Single-phase microinverter output balanced across phases using Enphase three-phase QD cabling for 480V WYE systems.
Advanced Grid Support
Meets CA Rule 21 and IEEE 1547 requirements (UL 1741-SB pending), with configurable grid profiles and remote updates.
High Efficiency & Reliability
97.5% CEC weighted efficiency, Class II double-insulated enclosure, and natural convection cooling (no fans).
Commercial & Industrial PV Systems
Ideal for 480 VAC three-phase rooftops and ground-mount arrays.
High-Power Module Pairing
Designed for today’s larger, high-current solar modules.
Code-Compliant Rapid Shutdown
UL-listed as PV rapid shutdown equipment when installed per manufacturer instructions.
Plug-and-play MC4 DC connectors and Enphase QD AC connector.
Power Line Communication (PLC) for fast commissioning.
Compatible with IQ Gateway Commercial Pro and Enphase App for monitoring and analytics.
Manufacturer Warranty: Up to 25 years (industry-leading)
| Specification | Details |
|---|---|
| Manufacturer | Enphase Energy |
| Model | IQ9N-3P-277 |
| Peak Output Power | 427 VA |
| CEC Weighted Efficiency | 97.5% |
| Nominal Grid Voltage | 277 V (L-N), 3-phase |
| DC Operating Voltage | 16–60 V |
| MPPT Voltage Range | 28–45 V |
| Max DC Short-Circuit Current | 25 A |
| Cooling | Natural convection (fanless) |
| Dimensions (H × W × D) | 8.12 × 7.32 × 1.23 in |
| Weight | 2.65 lb |
| Certifications | UL 1741, IEEE 1547, NEC 690.12 (per datasheet) |
Enphase is a U.S. energy tech company that makes solar microinverters, battery storage, and energy management systems for homes. It pioneered module‑level microinverters that convert DC to AC, enabling smarter, efficient solar + storage solutions monitored via its app.
The Enphase IQ9N-3P-277 delivers high efficiency, advanced grid compliance, and long-term reliability for demanding three-phase commercial solar projects—making it a powerful foundation for scalable, code-ready PV systems.
US Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.
Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.
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