| Typ | SDI25.4S |
| GTIN | 6438100324810 |
| Nazwa | Układ ochrony przeciwłukowej |
| 50-157 mm², shear head, linepost insulator, vertical crossarm | |
| Opis | Power arc devices are used as a arcing protection device for covered conductors. The devices are suitable for vertical suspension crossarms that are equipped with line post insulators. They can be used in straight lines and also at line angles that are allowed for the crossarms. Nominal plastic covering thickness of the conductor may vary from 2 to 3.3 mm. |
| Producent | Ensto Finland Oy |