Rhif Cynnyrch | Math Blaen | Prif Sgôr Ampere | Foltedd graddedig (v) | Nifer y ffordd |
D1-S-4-F/S | Fflysio/arwyneb | 30-100 | 415/240/120 | 4 |
D1-S-6-F/S | Fflysio/arwyneb | 30-100 | 415/240/120 | 6 |
D1-S-8-F/S | Fflysio/arwyneb | 30-100 | 415/240/120 | 8 |
D1-S-12-F/S | Fflysio/arwyneb | 30-100 | 415/240/120 | 12 |