Knowledge Base › Microinverters
APsystems QS2
Manufacturer documented NA verified Sept. 23, 2026
Identity
| category | microinverters |
| manufacturer | APsystems |
| model | QS2 |
| product_status | active |
| region | NA |
Electrical
| ac_voltage_range |
240V/211.2V-264V; 208V/183.04V-228.8V
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| ac_voltage_v |
[240, 208]
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| dimensions_in |
14.37 x 10.71 x 1.6
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| euro_efficiency_pct | 96.5 |
| gateway_required |
True
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| grid_frequency_hz |
60
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| grid_frequency_range_hz |
58.8-61.2 (HECO: 57-63)
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| max_continuous_ac_power_va |
1920
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| max_dc_voltage_v |
60
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| max_efficiency_pct | 96.7 |
| max_input_current_a |
20
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| max_input_current_axis |
per input (20A x 4)
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| max_input_current_per_mppt_a | 16.0 |
| max_short_circuit_current_a |
25
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| max_short_circuit_current_axis |
per input (25A x 4)
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| max_short_circuit_current_per_mppt_a | 25.0 |
| max_units_per_10awg_30a_branch |
3@240V / 2@208V
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| max_units_per_12awg_20a_branch |
2@240V / 1@208V
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| mppt_count | 2 |
| mppt_voltage_max_v |
48
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| mppt_voltage_min_v |
28
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| nominal_ac_voltage_v | 230.0 |
| nominal_frequency_hz | 50.0 |
| number_of_mppt |
4
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| number_of_pv_inputs |
4
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| phase_count |
1
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| required_gateway |
APsystems ECU
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
Physical / mechanical
| weight_kg |
6.6
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
Environment
| enclosure_rating |
Type 6
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
| ip_rating | IP67 |
| operating_temperature_max_c | 60.0 |
| operating_temperature_min_c | -25.0 |
Interfaces & connectors
| communications |
['Encrypted ZigBee']
APsystems QS2 Single-phase Quad Microinverter Datasheet (APS-QS2-25, 2026-02-26 Rev)
|
Warranty & service
| warranty_years | 12 |
Documents
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | complete |
| region_notes | North American edition; the datasheet is headed 'Model QS2', carries the ordering code APS-QS2-25 in its filename, and specifies 240 V and 208 V at 60 Hz with a HECO frequency range option. The EMEA edition of the same designation is a separate record (2200 VA). |