Is the Fox ESS H3-Smart H3-9.9-Smart compatible with the Fox ESS DTSU666 (3ph)?
Yes — listed by the manufacturer.
The manufacturer's published pairing data lists these together.
Manufacturer's compatibility listListed together in the manufacturer's published pairing data. A cited document reference is being added as datasheets are processed.
Pairing details
Both products
- Fox ESS H3-Smart H3-9.9-Smart — inverter
- Fox ESS DTSU666 (3ph) — meter