Clamp bodies and keeper pieces are cast in high strength aluminum alloy or iron. it is good at weather resistance and corrosion free.
Strain clamp as one type of tension hardware, it is widely used for overhead transmission line up to 35KV, completing the tension connection on cable and conductors.
NLL Strain clamp with insulation cover; bolted aluminum alloy strain clamp; bolted NLD malleable iron strain clamp
| type | applicable conductor diameter mm | dimension mm | |||
| L | I | c | d | ||
| NLL-1 | 5.1-11.4 | 125 | 110 | 18 | 16 |
| NLL-2 | 11.4-16 | 175 | 186 | 20 | 16 |
| NLL-3 | 14.5-17.5 | 190 | 205 | 22 | 16 |
| NLL-4 | 18-22.4 | 300 | 285 | 30 | 18 |
| NLL-5 | 23-30 | 445 | 345 | 36 | 24 |
