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1 Clifton Avenue IQ8X_80M Data SheetDATA SHEET IQ8X Microinverter Our newest IQ8 Series Microinverters are the industry’s first microgrid-forming*, software-defined microinverters with split-phase power conversion capability to convert DC power to AC power efficiently. The brain of the semiconductor-based microinverter is our proprietary application- specific integrated circuit (ASIC), which enables the microinverter to operate in grid-tied or off-grid mode. This chip is built using advanced 55-nm technology with high-speed digital logic and superfast response times to changing loads and grid events, alleviating constraints on battery sizing for home energy systems. IQ8X Microinverter is the latest addition to this family, designed to support PV modules with high output DC voltage and cell counts, such as 80-half-cut cells, 88-half-cut cells and 96-cells. *Meets UL 1741 only when installed with IQ System Controller 2 or 3. Part of the Enphase Energy System, IQ8 Series Microinverters integrate with the IQ Battery, IQ Gateway, and the Enphase App monitoring and analysis software. IQ8 Series Microinverters redefine reliability standards with more than one million cumulative hours of power-on testing, enabling an industry-leading limited warranty of up to 25 years. IQ8 Series Microinverters are UL Listed as PV rapid shutdown equipment and conform with regulations when installed according to the manufacturer’s instructions. Connect PV modules quickly and easily to the IQ8 Series Microinverters with integrated MC4 connectors. Easy to install • Lightweight and compact with plug- and-play connectors • Power line communication (PLC) between components • Faster installation with simple two-wire cabling High productivity and reliability • Produces power even when the grid is down* • More than one million cumulative hours of testing • Class II double-insulated enclosure • Optimized for the latest high-powered PV modules Microgrid-forming • Complies with the latest advanced grid support • Remote automatic updates for the latest grid requirements • Configurable to support a wide range of grid profiles • Meets CA Rule 21 (UL 1741-SA) and IEEE 1547:2018 (UL 1741-SB) NOTE: • IQ8 Series Microinverters cannot be mixed with previous generations of Enphase microinverters (IQ7 Series, IQ6 Series, and so on) in the same system. • IQ Microinverters ship with default settings that meet North America’s IEEE 1547 interconnection standard requirements. Region-specific adjustments may be requested by an Authority Having Jurisdiction (AHJ) or utility representative, according to the IEEE 1547 interconnection standard. An IQ Gateway is required to make these changes during installation. IQ8X-MC4-DSH-00185-3.0-EN-US-2024-02-12 © 2024 Enphase Energy. All rights reserved. Enphase, the e and CC logos, IQ, and certain other marks listed at https://enphase.com/trademark-usage-guidelines are trademarks of Enphase Energy, Inc. in the U.S. and other countries. Data subject to change. (1) No enforced DC/AC ratio. (2) Nominal voltage range can be extended beyond nominal if required by the utility. (3) Limits may vary. Refer to local requirements to define the number of microinverters per branch in your area. (4) IQ8X is not certified for use with Enphase Three Phase Network Protection Relay (NPR-3P-208-NA) and is, therefore, designed for single-phase operation only. Check with the local utility requirements if you wish to install single-phase inverters across three phases. IQ8X Microinverter INPUT DATA (DC)UNIT IQ8X-80-M-US Commonly used module pairings 1 W 320–540 Module compatibility —To meet compatibility, PV modules must be within the following maximum input DC voltage and maximum module Isc Module compatibility can be checked at https://enphase.com/installers/microinverters/calculator MPPT voltage range V 43–60 Operating range V 25–79.5 Minimum and maximum start voltage V 30–79.5 Maximum input DC voltage V 79.5 Maximum continuous operating DC current A 10 Maximum input DC short-circuit current A 16 Maximum module Isc A 13 Overvoltage class DC port —II DC port backfeed current mA 0 PV array configuration —Ungrounded array; no additional DC side protection required; AC side protection requires a maximum of 20 A per branch circuit OUTPUT DATA (AC)UNIT IQ8X-80-M-US @240 VAC IQ8X-80-M-US @208 VAC Peak output power VA 384 366 Maximum continuous output power VA 380 360 Nominal grid voltage (L-L)V 240, split-phase (L-L), 180°208, single-phase (L-L), 120° 4 Minimum and maximum grid voltage 2 V 211–264 183–229 Max. continuous output current A 1.58 1.73 Nominal frequency Hz 60 Extended frequency range Hz 47–68 AC short circuit fault current over three cycles Arms 2.70 Maximum units per 20 A (L-L) branch circuit 3 —10 9 Total harmonic distortion %<5 Overvoltage class AC port —III AC port backfeed current mA 18 Power factor setting —1.0 Grid-tied power factor (adjustable)—0.85 leading … 0.85 lagging Peak efficiency %97.3 97.0 CEC weighted efficiency %96.5 96.5 Nighttime power consumption mW 26 12 MECHANICAL DATA Ambient temperature range -40°C to 65°C (-40°F to 149°F) Relative humidity range 4% to 100% (condensing) DC connector type Stäubli MC4 Dimensions (H × W × D); Weight 212 mm (8.3") × 175 mm (6.9") × 30.2 mm (1.2"); 1.1 kg (2.43 lb) Cooling Natural convection – no fans Approved for wet locations; Pollution degree Yes; PD3 Enclosure Class II double-insulated, corrosion-resistant polymeric enclosure Environmental category; UV exposure rating NEMA Type 6; outdoor COMPLIANCE Certifications CA Rule 21 (UL 1741-SA), UL 62109-1, IEEE 1547:2018 (UL 1741-SB), 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 shutdown equipment and conforms with NEC 2014, NEC 2017, NEC 2020, and NEC 2023 section 690.12 and C22.1-2018 Rule 64-218 rapid shutdown of PV systems for AC and DC conductors when installed according to the manufacturer’s instructions. IQ8X-MC4-DSH-00185-3.0-EN-US-2024-02-12 REVISION DATE DESCRIPTION DSH-00185-3.0 February 2024 Updated the information about IEEE 1547 interconnection standard requirements. DSH-00185-2.0 November 2023 Preliminary release - public. DSH-00185-1.0 October 2023 Preliminary release. IQ8X-MC4-DSH-00185-3.0-EN-US-2024-02-12 © 2024 Enphase Energy. All rights reserved. Enphase, the e and CC logos, IQ, and certain other marks listed at https://enphase.com/trademark-usage-guidelines are trademarks of Enphase Energy, Inc. in the U.S. and other countries. Data subject to change. Revision history