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OHL Lightning Proof Fiting - NLL Aluminum Alloy Bolted Strain Clamp and Insulation Cover


Application
·Suitable for distribution wire up to 10kV, fixing the aerial insulation aluminum conductor or 
bare aluminum conductor to the insulator in the corner or the end of strain pole and 
tightening the aerial conductor
·Insulation cover and strain clamp used together for insulation protection

Insulation Cover Performance Feature
·Power frequency withstand voltage：≥18KV for one minute without
breakdown,
·lnsulation resistance：>1.0x1014Ω,
·Ambient temperature：-30℃~90℃,
·Weather fastness:good performance after 1008 hours artificial weathering test.

Specification

Cat.No.

Conductor Section(mm2)

Conductor Diameter(mm)

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

M12

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-5(35)

NLL-6

400~630

26.9~34.8

28.5~40

5

M16

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.
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Factory 1 Address:No.251 Jingliu Road,Yueqing Economic Development Zone,Yueiqng City,Zhejiang Province,China


Factory 2 Address:No.236 Jingliu Road,Yueqing Economic Development Zone,Yueiqng City,Zhejiang Province, ,China


Factory 3 Address:No.401 Jingba Road,Yueqing Economic Development Zone,Yueiqng City,Zhejiang Province, ,China

 

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