Fronius Primo GEN24 4.0 Plus
Official manufacturer GLOBAL verified Sept. 25, 2026
Unresolved safety-relevant conflict
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Identity
| brand | Fronius |
| category | inverters |
| ean | — |
| firmware | {'documented_version': 'UNKNOWN', 'constraints': 'UNKNOWN'} |
| generation | GEN24 |
| manufacturer | Fronius |
| manufacturer_key | fronius |
| market_version | — |
| model | Primo GEN24 4.0 Plus |
| model_key | primogen2440plus |
| mpn | — |
| product_family | Primo GEN24 Plus |
| product_status | active |
| region | GLOBAL |
| release_year | — |
| series | Primo GEN24 Plus |
| sku | — |
Electrical
| ac_connection | — |
| ac_voltage_range | — |
| battery_capacity_range_kwh | — |
| battery_communication | — |
| battery_max_charge_current_a | 22 |
| battery_max_charge_power_w | 4140 W |
| battery_max_discharge_current_a | — |
| battery_max_discharge_power_w | 4140 W |
| battery_nominal_battery_voltage_v | — |
| battery_type | — |
| battery_voltage_range_v | 150 V - 455 V |
| eps_peak_power | — |
| eps_phase | — |
| eps_rated_power_va | — |
| eps_switchover_time_ms | — |
| eps_voltage | — |
| european_efficiency_pct | 95.8 / 97.1 / 96.5 (210Vdc / 400Vdc / 530Vdc) |
| external_transfer_switch_required | — |
| frequency_range_hz | — |
| inrush_current | — |
| max_ac_active_power_w | — |
| max_ac_current_a | 25,8 A |
| max_ac_power_va |
4000
Fronius help-center technical data - Fronius Primo GEN24 4.0 Plus
|
| max_apparent_power_va | 4000 |
| max_backfeed_current_a | — |
| max_dc_input_power_w | 6 kWpeak |
| max_dc_voltage_v | 600 |
| max_efficiency_pct | 97,6 |
| max_input_current_per_mppt_a | 22 / 12 A disputed |
| max_output_fault_current_a | — |
| max_pv_input_voltage_v |
600
Fronius help-center technical data - Fronius Primo GEN24 4.0 Plus
|
| max_short_circuit_current_per_mppt_a | 41,25 / 22 A disputed |
| mppt_efficiency_pct | — |
| mppt_voltage_max_v |
530
Fronius help-center technical data - Fronius Primo GEN24 4.0 Plus
|
| mppt_voltage_min_v |
210
Fronius help-center technical data - Fronius Primo GEN24 4.0 Plus
|
| mppt_voltage_range_v | 210 - 530 V |
| night_self_consumption_w | <10 |
| nominal_ac_voltage | 1~ NPE 220/230 V |
| nominal_dc_voltage_v | 400 |
| nominal_frequency_hz | 50 / 60 |
| nominal_grid_voltage_v |
230
Fronius help-center technical data - Fronius Primo GEN24 4.0 Plus
|
| number_of_mppt | 2 |
| parallel_capability | — |
| phase_count |
1
Fronius help-center technical data - Fronius Primo GEN24 4.0 Plus
|
| power_factor_range | 0,8 - 1 ind./cap. |
| rated_ac_power_w |
4000
Fronius help-center technical data - Fronius Primo GEN24 4.0 Plus
|
| rated_mppt_voltage_range_v | — |
| startup_voltage_v | 80 |
| strings_per_mppt | 2+2 |
| thd_pct | — |
Physical / mechanical
| ac_terminal | — |
| cooling | — |
| dc_connector | — |
| depth_mm | 165.0 |
| dimensions_mm | 474 x 530 x 165 |
| display | — |
| enclosure_material | — |
| height_mm | 530.0 |
| mounting | — |
| noise_db | — |
| weight_kg | 15,38 |
| width_mm | 474.0 |
Installation
| cable_requirements | — |
| commissioning | — |
| installation_angle | — |
| mounting_clearances | — |
| torque | — |
Environment
| ingress_protection | IP66 |
| max_altitude_m | — |
| operating_temperature_c | -40°C - +60°C |
| pollution_degree | — |
| protective_class | 1 |
| relative_humidity_pct | 0 - 100 % |
| storage_temperature_c | — |
Interfaces & connectors
| app | — |
| communication | [] disputed |
| dry_contact | — |
| meter_interface | — |
| monitoring_portal | — |
| protocols | [] |
Protection
| anti_islanding | — |
| arc_fault | — |
| dc_switch | — |
| insulation_monitoring | — |
| overvoltage_category | — |
| rcmu | — |
| reverse_polarity | — |
| surge_protection_ac | — |
| surge_protection_dc | — |
Certifications
| standards | ['IEC 62109', 'IEC 62909', 'AS/NZS 4777.2', 'CEI 0-21', 'ABNT BNR 16149'] |
Warranty & service
| conditions | — |
| extension_options | — |
| standard_years | — |
Documents
user-manual
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
Fronius Primo GEN24 Plus operating instructions (linked from the technical-data page) — located, not retrieved
rev UNKNOWN
Recorded conflicts
electrical.max_short_circuit_current_per_mppt_a Review required
41,25 / 22 A — stored value
[41.25, 22] — Max. short circuit current, module array | 41,25 / 22 A (MPPT1 / MPPT2)
Detected during import v1-freeze-2026-09-batch07
electrical.max_input_current_per_mppt_a Review required
22 / 12 A — stored value
[22, 12] — Max. input current (Idc max) | 22 / 12 A - two slash-separated values on one row for the two MPP trackers (MPPT1 / MPPT2); the page also prints 'Number of MPP trackers | 2'
Detected during import v1-freeze-2026-09-batch07
electrical.startup_voltage_v Resolved — accepted incoming value
80 V — stored value
80 — Feed-in start voltage (Udc start) | 80 V
Detected during import v1-freeze-2026-09-batch07
interfaces.communication Review required
[] — stored value
['WLAN', '2x Ethernet LAN', '2x RS485', '6x digital in/out + 6x digital in'] — incoming package
Detected during import wave8-saturation-2026-09-batch04
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| Battery Connection - Max. input current (Idc max.) | 22 A |
| Dimension / length | 165 mm |
| Max. input current (Idc max) | 22 / 12 A |
| Max. short circuit current, module array | 41,25 / 22 A |
| Max. switchover time PV-Point / Max. switchover time Full Backup | 15 s / 10 s |
| Output Data PV Point - Max continuous output power | 3000 VA |
| Usable MPP voltage range | 65 - 530 V |
| battery.communication | UNKNOWN |
| battery.max_charge_current_a | UNKNOWN |
| battery.max_charge_power_w | 4140 W |
| battery.max_discharge_current_a | UNKNOWN |
| battery.max_discharge_power_w | 4140 W |
| battery.nominal_battery_voltage_v | UNKNOWN |
| builder_completeness | partial |
| withheld:pv.strings_per_mppt | 2 |