Application:
NLL series aluminium alloy strain clamp (Bolt type) is suitable for aerial line up to 35kV,fixing aluminium wire or steel core minium wire on the strain pole, aerial insulation aluminium conductor and insulation aluminium cover are being used together,and the action is insulation protection.
Structure feature
The body is made of high-strength aluminium alloy
Smooth surface long servile life
Easy installation
No waste electric energy
Insulation cover performance feature
Withstand voltage: 8kV keep voltage one minute not breakdown
Insulation resistance:>1.0×1014Ω
Environments temperature:-30 ~ 90
Weather proof performance:have good performanced after 1008 hours artifical climate aging test.
Specification
Catalog No. | Conductor | U bolt | Failure load kN | |
Number | diameter | |||
NLL-1 | 5.0~10.0 | 2 | 12 | 40 |
NLL-2 | 10.1~14.0 | 2 | 12 | 40 |
NLL-3 | 14.1~18.0 | 3 | 14 | 70 |
NLL-4 | 18.1~23.0 | 3 | 14 | 90 |
NLL-27 | 12.48~21.66 | 4 | 16 | 90 |
NLL-5L | 23~29 | 3 | 16 | 90 |
NLL-6 | 25.9~32.67 | 5 | 16 | 100 |