UL 1699B certificate
UL1699B-2018 Attestation of Conformity from CSA. It will reduce custormer's certification fee and time to market, if you use Fonrich's arc dector in your product.
The usermanual of arc fault detector FR-DCMG-AS4A.
The drawing of 4-string arc fault protection box
The brief introduction of rapid shutdown product
The catalog of this product line.
FR-DCMG-MMPU user manual.
FR-DCMG-MMPP user manual.