| dynodiad cyfredol/cyffredinol/lec | u160bp/146m | u160bp/155m | u210bp/170m | u120bp/170m |
| diamedr d | 420 | 420 | 420 | 420 |
| bylchiad h (mm) | 146 | 155 | 170 | 170 |
| ymlusgiad l | 380 | 380 | 380 | 380 |
| soupling soced (mm) | 20 | 20 | 20 | 20 |
| llwyth methiant mecanyddol (kn) | 160 | 160 | 210 | 240 |
| prawf trefn fecanyddol (kn) | 80 | 80 | 105 | 120 |
| amledd pŵer gwlyb gwrthsefyll foltedd ✓ (kv) | 50 | 50 | 50 | 50 |
| ysgogiad mellt sych wrthsefyll foltedd (kv) | 95 | 95 | 95 | 95 |
| foltedd tyllu byrbwyll (p.u) | 2.8 | 2.8 | 2.8 | 2.8 |
| foltedd tyllu amledd pŵer (kv) | *130 | *130 | *130 | *130 |
| foltedd dylanwad rodio (μv) | 50 | 50 | 50 | 50 |
| prawf gweledol corona | 18/22 | 18/22 | 18/22 | 18/22 |
| amlder pŵer voltaeth arc trydanol | 0.12s/20ka | 0.12s/20ka | 0.12s/20ka | 0.12s/20ka |
| pwysau net fesul uned . . . | 7.2 | 7.2 | 7.3 | 7.5 |
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