Data Technegol
| Cerrynt graddedig (A) | Rhif y polyn | Foltedd graddedig (V) | Gwneud cylched fer wedi'i raddio | |
| Cylchdaith profi cerrynt disgwyliedig (A) | Ffactor pŵer ar gyfer profi cylched | |||
| 2-25 | Polyn sengl | 250/380 | 3000 | 0.65-0.70 |
| 32-63 | Polyn sengl | 250/380 | 3000 | 0.75-0.80 |