Application
NLL Series strain clamp (bolt type)is suitable for aerial line up to 20kV, fixing aluminum wire or steel core aluminum wire on the strain pole, aerial insulation aluminum conductor and insulation aluminum cover are being used togther, and the action is insulation protection.
Insulation cover performance feature
1,Withstand voltage: ≥18kV keep voltage one minute not break down
2,Insulation resistance: >1.0×1014Ω
3,Environments temperature: -30℃~90℃
4,Weather proof performance: have good performanced after 1008 hours artifical climate aging test.
