Knowledge Base › Microinverters
Enphase IQ8+
Official manufacturer NA verified Sept. 2, 2026
IQ8 series product tile image (series image; covers IQ8+)
Identity
| category | microinverters |
| generation | IQ8 |
| manufacturer | Enphase |
| market_version | US/Canada, 240 V split-phase (L-L, 180 deg) |
| model | IQ8+ |
| product_family | IQ8 Series Microinverters |
| product_status | active |
| region | NA |
| sku | UNKNOWN (IQ8PLUS-72-2-US family; not printed in the fetched IQ8-series datasheet column) |
Electrical
| ac_coupling_compatibility | UNKNOWN (no Enphase document fetched states third-party AC-coupling certification) |
| ac_rated_power_w | 290 |
| grid_profiles | ['CA Rule 21 (UL 1741-SA)', 'IEEE 1547:2018 (UL 1741-SB 3rd Ed.)'] |
| max_dc_input_power_w | ~720 (derived from 12A x 60V, not an explicitly stated single figure) |
| max_dc_voltage_v | 60 |
| max_input_current_a | 12 |
| max_short_circuit_current_a | 25 |
| monitoring_protocol | Power line communication (PLC) to Enphase Envoy |
| mppt_range_v | 27-45 |
| num_mppt | UNKNOWN (single-input per unit; not explicitly stated as a count) |
| supported_module_power_range_w | 235-440 |
Physical / mechanical
| depth_mm | 30.2 |
| enclosure_material | Class II double-insulated, corrosion-resistant polymeric enclosure |
| height_mm | 212 |
| mounting_bolt_size | 6 mm (1/4 in) or 8 mm (5/16 in) racking hardware |
| mounting_type | ['rooftop'] |
| torque_specs |
6 mm (1/4 in): 5 N.m (45-50 in-lb); 8 mm (5/16 in): 9 N.m (80-85 in-lb) - IQ8 series installation manual p.17
Installation and Operation Manual - Enphase IQ8, IQ8+, IQ8M, IQ8A and IQ8H Microinverters — installation manual p.17
|
| weight_kg |
1.1
DATA SHEET - IQ8 Series Microinverters (IQ8, IQ8+, IQ8M, IQ8A, IQ8HC) — MECHANICAL DATA, '1.1 kg (2.3 lb)'
|
| width_mm |
175
DATA SHEET - IQ8 Series Microinverters (IQ8, IQ8+, IQ8M, IQ8A, IQ8HC) — MECHANICAL DATA, 'Dimensions (H x W x D) 212 mm x 175 mm x 30.2 mm'
|
Installation
| clearance_bottom_mm |
19
Installation and Operation Manual - Enphase IQ8, IQ8+, IQ8M, IQ8A and IQ8H Microinverters — installation manual p.17
|
| clearance_top_mm | 13 |
| direct_sunlight_restriction | Always place the microinverter under the PV module, protected from direct exposure to rain, sun and other harmful weather events (manual p.17) |
| indoor_outdoor | outdoor, wet-location approved (NEMA 250 type 6) |
| installation_notes | Vertical mount requires >30 cm (12 in) clearance from the edges of the PV module (manual p.17). |
| mounting_orientation | horizontal (bracket side up) or vertical, mounted under the PV module |
| orientation_allowed | ['horizontal (bracket side up)', 'vertical'] |
| orientation_forbidden | ['upside down'] |
Environment
| cooling_method | natural convection - no fans |
| ip_rating | UNKNOWN (NEMA-rated rather than IP-rated) |
| nema_rating | NEMA 250, type 6 |
| operating_temperature_c | -40 to +60 |
| storage_temperature_c | UNKNOWN |
Interfaces & connectors
| ac_terminal_type | Enphase IQ Connector on IQ Cable (12 AWG double-insulated outdoor trunk cable) |
| can | False |
| cloud_api | Enphase Enlighten (via IQ Gateway) |
| ethernet | False |
| powerline_communication | proprietary PLC to IQ Gateway (Envoy) |
| protocol_notes | No IP/Modbus/serial interface on the microinverter itself. |
| pv_connector_type | Enphase IQ DC connector; MC4 via Q-DCC-2 adapter cable |
| rs485 | False |
| wifi | False |
Controls & display
| display_type | none |
| leds |
flashing green = normal operation + IQ Gateway communication; flashing orange = grid normal but no gateway communication; flashing red = AC grid absent or out of specification; solid red = DC Resistance Low, Power Off (manual p.26)
Installation and Operation Manual - Enphase IQ8, IQ8+, IQ8M, IQ8A and IQ8H Microinverters — installation manual p.26
|
| local_display | False |
Protection
| anti_islanding | yes (IEEE 1547:2018 / UL 1741-SB 3rd Ed. listing) |
| ground_fault_protection | DC Resistance Low detection (solid red LED) |
| overvoltage_category | Overvoltage class DC port: II |
| protection_class | Class II double-insulated |
Certifications
| emc | ['FCC Part 15 Class B', 'ICES-0003 Class B'] |
| grid_codes |
['CA Rule 21 (UL 1741-SA)', 'IEEE 1547:2018 (UL 1741-SB 3rd Ed.)']
DATA SHEET - IQ8 Series Microinverters (IQ8, IQ8+, IQ8M, IQ8A, IQ8HC) — Compliance row of the IQ8 series datasheet
|
| other | [] |
| regional | [] |
| safety | ['UL 62109-1', 'CAN/CSA-C22.2 NO. 107.1-01'] |
Warranty & service
| design_life_years | UNKNOWN |
| standard_years | up to 25 (limited warranty per datasheet wording) |
Documents
datasheet
DATA SHEET - IQ8 Series Microinverters (IQ8, IQ8+, IQ8M, IQ8A, IQ8HC)
rev DSH-00412-5.0-EN-2025-10-10
installation-manual
Installation and Operation Manual - Enphase IQ8, IQ8+, IQ8M, IQ8A and IQ8H Microinverters
product-page
Enphase Microinverters (installer product page)
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| AC short circuit fault current over 3 cycles | 2 Arms |
| CEC weighted efficiency | 97 % |
| DC port backfeed current | 0 mA |
| Extended frequency range | 47-68 Hz |
| Max continuous output current | 1.21 A |
| Max units per 20A branch circuit | 13 |
| Min/Max start voltage | 22/58 V |
| Nominal voltage/range | 240, split-phase (L-L), 180 deg |
| Operating range | 16-58 V |
| PV array configuration | Ungrounded array; no additional DC side protection required |
| Peak output power | 300 VA |