DS3-S

Equipment overview

640 VA, 240 Vac Grid Support Utility Interactive Microinverter, Rack mounted

The figures below refer to DS3-S {240V}. Use the configuration table for other variants.

Continuous AC output

0.656 kW

Nominal AC voltage

240 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.

Source specifications and conditions

Additional source information for DS3-S {240V}. 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

Source last update

2023-04-21

Firmware version(s) tested

[V3]

UL 1741 SA certificate date

[12/3/2021]

UL 1741 SB certificate date

[3/16/2023]

CSIP conformance as reported

Y*

UL 1741 SA certifying entity

CSA Group

UL 1741 SB certifying entity

CSA Group

CEC grid-support listing date

2022-01-11

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 CECDS3-S {240V}
  Archived CEC source