A registry listing is a starting point. CEC inclusion is not nationwide installation approval. Confirm the exact model and configuration with your utility and local authority.
How to use this dataEquipment overview
382 W, 208 Vac Grid Support Utility Interactive Microinverter
The figures below refer to MAC-400 {208V}. Use the configuration table for other variants.
- Continuous AC output
- 0.3873 kW
- Nominal AC voltage
- 208 V AC
- CEC weighted efficiency
- 96.5 %
- Technology
- Microinverter
- UL 1741 SB in CEC source
- Reported
- CEC source lists
- Solar
Specifications are reported in the CEC source; SolarApprovals has not independently tested this equipment. A missing value does not mean zero or a failed certification.
Exact configurations
CEC annotations in braces identify the listed configuration and are not part of the manufacturer’s model number. Variants share this canonical page.
| CEC model / configuration | Continuous AC output | Voltage / display | Observation | Compare |
|---|---|---|---|---|
| MAC-400 {208V}Solar_Inverters row 201 | 0.3873 kW | 208 V AC | Listed in CEC | |
| MAC-400 {240V}Solar_Inverters row 199 | 0.3825 kW | 240 V AC | Listed in CEC |
Source specifications and conditions
Additional source information for MAC-400 {208V}. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.
- Built-in meter
- N
- Firmware version(s) tested
- No Information Submitted
- UL 1741 SA certificate date
- No Information Submitted
- UL 1741 SB certificate date
- [3/17/2023]
- CSIP conformance as reported
- Y*
- UL 1741 SA certifying entity
- No Information Submitted
- UL 1741 SB certifying entity
- CSA Group
- CEC grid-support listing date
- 2023-11-01
Use the source row references above to inspect the conditions for each other configuration.
Documented compatibility
No specific equipment pairing has been verified for this model.
Shared voltage, a hybrid designation, or the same manufacturer does not establish compatibility. Check the manufacturer’s installation documents for exact model combinations, firmware, and operating conditions.
Registry observation history
Dates show when SolarApprovals observed a status. The first observation is not the original CEC listing date. History begins with our first import.
- Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECMAC-400 {208V}
Archived CEC source - Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECMAC-400 {240V}
Archived CEC source