New and updated certificates
KR600 series transformers: KR621.1 10/15 W and KR625.1 20/25W have now received their FAA certificates. KR636.1 65W transformer has been re-certified as a result of design changes.
Certificates have also been rearranged so that you may find easier the right certificate needed.
The new and updated certificates can be found here
FAA Transformer certificates L-831 50 Hz
FAA Transformer certificates L-830 60 Hz
Check also all certificates here