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1) Be suitable for distribution wire up to 10KV, fixing insulated aluminum conductor or naked aluminum conductor on the rotate angle or insulator of terminal strain pole, to fix and tighten the aerial conductor.
2) Material: body, keeper - aluminum alloy, split pin - stainless steel, others - hot-dip galvanized steel.
3) Grip strength of the clamp is more than 95% break strength of the conductor.
4) Insulation cover and strain clamp used together for insulation protection
NLL Aluminum Alloy Bolted Strain Clamp and Insulation Cover | |||||||
Cat.No. | Conductor Section(mm2) | Conductor Range(mm2) | Overall Dia.(mm) | U-Bolts | Failure Load(kn) | Insulation Cover Type | |
No. | Size | ||||||
NLL-1(19) | 16-70 | 5.1-11.4 | 7.6-16.2 | 2 | M12 | 40 | NLL-1(19) |
NLL-2(22) | 50-95 | 8.5-13.8 | 8.5-19.6 | 2 | M12 | 40 | NLL-2(22) |
NLL-3(29) | 70-150 | 11.4-17.1 | 11.4-22.6 | 2 | M12 | 70 | NLL-3(29) |
3 | |||||||
NLL-4(32) | 120-240 | 13-18.9 | 13-26.4 | 3 | M12 | 70 | NLL-4(32) |
NLL-5(35) | 150-300 | 17.1-23.8 | 16.2-29.0 | 4 | M12 | 70 | / |
NLL-6 | 400-630 | 26.9-34.8 | 28.5-40 | 5 | M12 | 70 | / |
Note:1.Meaning of letters: N-strain clamp, L-aluminum alloy, L- bolted type; Numbers -serial number of the type.
2.Material: Body, Keeper-aluminum alloy, Split Pin-stainless steel, others-hot-dip galvanized steel.
3. Grip strength of the clamp shall be more than 65% of conductor breaking strength